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8/4/2019 UN CArbon Calculator Manual
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GrHu G Ccur
Ur Mu 1.0
United nations
a c vp h U neP evr-
m Mgm Grup, Un dprm
F suppr h Wr Rurc i -
u.
April 2009
S p e c i f i c a t i o n s o n b e s t - a v a i l a b l e m e t h o d o l o g i e s
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table oF Contents
1 The UN Office GreeNhOUse Gas iNveNTOry 6
1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.2 The UN GreenHouse Gas Boundary . . . . . . . . . . . . . . . . . . . . 7
1.3 Data Gaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 UsiNG The UN GreeNhOUse Gas calcUlaTOr 10 2.1. Emission Sources and Data Quality . . . . . . . . . . . . . . . . . . . . 10
2.2. Facility Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.3. Road and Rail Travel . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.3.1. UN owned or leased vehicles . . . . . . . . . . . . . . . . . . . . . 13
2.3.2. Public transport . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.4. Energy Consumption in the Buildings. . . . . . . . . . . . . . . . . . . 15
2.4.1. Purchased electricity . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.4.2. Purchased steam . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.4.3. Power generation. . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.5. Fugitive Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5.1. Refrigerants and Air-Conditioning (RAC). . . . . . . . . . . . . . . . 18
2.6. Optional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
2.7. Reporting GHG Emissions . . . . . . . . . . . . . . . . . . . . . . . . 21
acKNOWleDGeMeNTs 1
Why accOUNT fOr GreeNhOUse Gas eMissiONs? 2
GlOssary Of TerMs 3
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3 calcUlaTiNG eMissiONs 22
3.1. Un-Owned (or Leased) Vehicles . . . . . . . . . . . . . . . . . . . . . 23
3.2. Power Generation. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.2.1. Heating values . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.3. Rerigeration and Air-Conditioning Equipment. . . . . . . . . . . . . . . 26
3.4. Purchased Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . 30
3.5. Purchased Steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3.6. Public Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
3.7. Optional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
aPPeNDix i. DaTa sOUrces 34
UN-Owned (or leased) Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . 34
Power Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Rerigeration and Air-Conditioning Equipment. . . . . . . . . . . . . . . . . . 34
Consumption o Purchased Electricity . . . . . . . . . . . . . . . . . . . . . . 34
Purchased Steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Public Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Optional Emissions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Other Reerences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
aPPeNDix ii. DefaUlT eMissiON facTOrs 36
UN-Owned (or Leased) Vehicles. . . . . . . . . . . . . . . . . . . . . . . . . 36
Power Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Rerigeration and Air-Conditioning Equipment . . . . . . . . . . . . . . . . . . 41
Consumption o Purchased Electricity . . . . . . . . . . . . . . . . . . . . . . 42
Purchased Steam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Public Transport. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
aPPeNDix iii. GWP valUes 47
aPPeNDix iv. MiNiMUM reqUireD acTiviTy DaTa fOr The UN Office
GreeNhOUse Gas calcUlaTOr 51
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acKNOWleDGeMeNTs
th Un Grhu G Ccur h ru cr rm vr z rgz
cr h Un m wh hv p hr xpr, k kwhw rvc h rgz-
wh h r r Un Cm Cm Chg.
th ccur h pc g r h Un gc, u prgrmm c h
prpr hr grhu g vr r p hr mv wr cm
ur. i m ur h h vr h Un rgz r c, cmpr
ch hr, rpr h v rm urc.
i rw up r rcgz mhg r ccug grhu g m
rm ug rpr. th U n evrm Prgrmm (UneP) evrm M-
gm Grup, whch cr h urkg, wu k ckwg h rm
rm h Wr Rurc iu ( WRi), h irgvrm P Cm Chg (iPCC),
h U s evrm Prc agc (Us ePa) Cm lr Prgrmm h ir-
erg agc (iea).
Cu hur wrk hv g h prpr h ccur. a pc cmm g
h U n dprm F suppr/irm Cmmuc tch-
g dv (dFs/iCtd), r hr r, xpr, crv cmmm.
th cru r ckwg rm h U n dvpm Prgrmm
(UndP), h U n dprm F suppr/dprm Pc Kpg opr
(dFs/dPKo), h U n Ppu Fu (UnFPa), h F agrcuur orgz
h U n (Fao) h Wr bk r mug cu hr wg hr prcc xprc.
l u , hk h Un scrr Hqurr, h ir Fc Crpr
(iFC), Wr F Prgrmm (WFP) h U n Frmwrk cv Cm Chg
(UnFCCC) r kg pr h p grup.
Achim Steiner
Chr, evrm Mgm Grup
excuv drcr, UneP
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Why accOUNT fOr GreeNhOUse Gas eMissiONs?
icrg m rm hum cv hv mrk cr mphrc grhu
g ccr. th ccr r u, rm vu rg mu cmp,cu mphrc grhu g r crug g wrmg um cm
chg.
W kw h cm chg hppg. th irgvrm P Cm Chg (iPCC)
h m pr h p w wrmr. drugh, hr rm xrm whr
w cm mr rqu hr upp. th vrm, cmc pc m-
pc cm chg r hu pru.
th c h cm chg w r u hc h rp wh u.
lrg mu rgz hv u p mg r prc h cm. th
r mp hr z. th cm mpc hr c ggr h h mpc cu -
vu m rgz.
th Un gc, u prgrmm hv rcgz hr prcur rp hv -
c k c jg rc ruc grhu g m ccv.
th Un Grhu Ccur ru h v. th , vp h Un gc r
h Un gc, rpr h r cruc p wr rucg grhu g m. i w
hp Un rgz cmp z hr grhu g m rv prrz c-
r m ruc .
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GlOssary Of TerMs
acv dd h mgu hum cv rug GHG m. d rg u,m rv, pu mr w pruc upu r xmp cv h
mgh u cmpu GHG m.
avrg Whr avrg whr m cu vrg mprur, prcp w pr.
bm
n-z gr rgc mr rgg rm:
P, m, mcr-rgm, cug pruc, pruc, ru •
w rm grcuur, rr r ur
n-z gr rgc rc ur mucp•
w, cug g qu rcvr rm h cmp --
z gr rgc mr.
bm Co2em rm h cmu u uch w h. em rm mu r rpr pr rm u m.
CH4 Mh. a K Prc grhu g.
Cm ChgCm chg g-rm gc chg h vrg whr rg r h
rh wh. Fr mr rm, vrg whr.
Cm nur
Cm ur rm h rr wh grhu g m.
achv rucg grhu g m much p ug cr urz h rmg m.
Co2 Cr x. a K Prc grhu g.
Cm H Pwr
(CHP)
a rg cvr prc whch mr h uu pruc, uch crc
h r m, gr rm h m rg pu rm (cgr).
Co2 equv (Co2) th uvr u r cmprg m r GHG, xpr rm h gwrmg p (GWP) u cr x. Fr mr rm, GWP.
drc em
em rm urc wh h rprg ’ rgz ur h r w
r cr h rprg , cug r cmu m, mcmu m, prc m ugv m.
em Fcr
GHG m xpr pr u cv . Fr xmp, mrc Co2 m
pr m bu c cmu r mrc Co2 m pr kWh crc
cum.
Fugv emem h r phc cr, u ru rm h r ur GHG. th cmm r rm h pruc, prcg rm rg
u u hr chmc, hrugh j, , pckg, gk, .
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Grhu G (GHG)
th rh rcv rg rm h u rur h rg rcg gh mg
h. Pr h ugg h w r grhu g r-rr ck h rh. Wh cr x h gr crur g wrmg, hr r vr
r r pg cu h x g cvr h K Prc, m Co2, CH4, n20,HFC, PFC sF6.
GHG ivr a qu rgz’ GHG m urc.
G Wrmg P(GWP)
th r rv rcg h wu ru rm h m u gv GHGcmpr u cr x (Co2).
HFC Hrurcr. HFC r K Prc grhu g.
HHV Hghr Hg Vu.
irc GHG emem h r cquc h cv cmp u h ccur urc wr cr hr cmp. irc m cu cp 2 cp 3 m. Fr
mr rm h r .
irgvrm P Cm Chg (iPCC)
ir cm chg c. th r h iPCC h cc,
chc c-cmc cr rv urg h rk hum-uccm chg (www.ipcc.ch).
lHV lwr Hg Vu.
M Cmu
em
em rm h cmu u :
trpr urc, uch cr, ruck, u, r, rp, mr•
v.
em rm -r qupm, uch qupm u cruc,•
grcuur, rr.
Note: A piece o equipment that cannot move under its own power but that is transported rom site to
site, an emergency generator or example, is a stationary, not mobile, combustion source.
n2o nru x. a K Prc grhu g.
PFC Prurcr. PFC r K Prc grhu g.
RaC Rrgr ar-Cg.
Rv Frcg th gr wrmg h mphr. a pv rcg (mr cmg rg) wrm h m, wh gv rcg (mr ugg rg) c .
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scp 1 em a rc GHG m, wh h xcp rc Co2 m rm gc urc.
scp 2 emirc GHG m c wh h cump purch crc, hg,
cg, r m.
scp 3 em
a rc m cvr scp 2. exmp cu:
Uprm wrm m•
em rug rm h xrc pruc purch mr •
u
trpr r cv vhc w r cr h rprg e-•
U pruc rvc•
ouurc cv•
Rccg u pruc•
W p•
sr Cmuem
em rm h cmu u pruc crc, m, h, r pwr ugqupm, uch r, urc, c., x c.
Un irc h iCaoCr em Ccur
th ir Cv av orgz (iCao) Cr em Ccur r
mg Co2 m rm fc r rv. th Un rc h iCao cmpmh Un Grhu G Ccur.
Glossary Source : WRI
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1.1. Introduction
th Un scrr-Gr, b K-M, h rrr cm chg h “g chg
ur m” c r h Un xmp pg ug pprch cm
ur r prm pr wrw.
i ocr 2007, h Un Ch excuv br r Cr (Ceb) p c mv -
wr cm ur U n. th c m hr c p r h Un
gc, u prgrmm:
t cmp rgz-w GHG vr,1.
t ruc GHG m much p, 2.
t cr h purch cr urz h rmg GHG m.3.
a grhu g vr h r cruc p wr rucg grhu g m. th
vr mpr cu hc c r rug h rgz
mrr mr c w.
th u gr mhg ur h c ggrg cmpr cr Un
gc. th Un gc, u prgrmm r hrr rg curg u h Un
Grhu G Ccur wh cmpg hr grhu g vr. th ur c-
, rpr cmpr vr prgr rpr. i w r mgu ggr-
g cr h Un r-mpr cmpr. i cmp wh h GHG Prc Cr-pr sr, w-u r ccug ur, qu mg
grhu g m.
th Un Grhu G Ccur gu ch rgz hrugh h Un gr mmum u-
r r grhu g ccug. ar h rqur cv r h , w u-
mc m h grhu g pr ppg u m cr, w-
g x r r , whr v. Hwvr, cumz mu w
xp rrc prpr h rgz. th ccmm p m
urc.
inVentoRy
1
aboUt tHe Un GReenHoUse Gas
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a pc g -mg v r xrcg rm h Un Gr-
hu G Ccur h Un rc h ir Cv av orgz (iCao) Cr-
em Ccur. th mg w umc cc rm pr- c
h rpr hm pr - , whch c u grcumz rpr. th -mg w hu rv mk mgm rprg ,
rgr h umr rprg u .
th urhr rm c w rm h www.unemg.org/climateneutralun w
.
a qu hw u h Un Grhu G ccur hu rc h Cm nu-
r Fc P ur rgz. a h Cm nur Fc P h Un gc, u
prgrmm m u h www.unemg.org/climateneutralun w .
t ur h hgh r, h vr, h , m rm r r rv -
c cv, hu rvw vr c cmp p xr pr, c-
wh h ir orgz r srz (iso) 14064 r r GHG m
vr h iso 14065 r wh rqurm r v vrc .
1.2. The UN Greenhouse Gas Boundary
erg cump, m r urc, h g m mpr cv rug
GHG m, prcur cu m pruc rm u uch , g c.
th Un h gr cmm mmum ur r grhu g vr. th mmum
gr ur h cv, m urc grhu g cu:
Activities
th ocr 2007 c h Ceb m h ur h Un c pr rv.
th Un gc, u prgrmm hu hrr ccu r grhu g m rm
hqurr, cr c.
th vr hu cu m rm Un c pr c rv, whch c -
uc mgm-v c. th cu cv mpm h Un cug
h u hrugh xr-ugr urc.
acv u h hrugh h rgur ug hrugh xr-ugr urc r wh
h mmum gr ur h Un m rug rm hm hu cu h
vr. Fr xmp, m rgz, h xr-ugr cv r rrr prj-
c.
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i rgz prv rc c rr hr mpm cv r pr-
grmm, r xmp gr gvrm, h m rug rm h cv hu
cu h pr.
th vr c xcu h wg cv:
em c wh c r whch vu mmr r rp •
h r hr pr phr,
Gr prv hr u,•
Mr cv cuc ur h upc h Un, •
em rm prjc mpm xr .•
Emission Sources
ech pr r cv c hv umr grhu g m urc. th vr hu
mmum cu h wg m urc:
M u cmu, uch m rm c r r r rv•
sr u cmu, uch rg cump ug r crc, h-•
g, h wr ckg, .
Fugv m, uch kg grhu g rm rrgr r-c-•
g qupm
th mmum gr ur cu m rm pr cmmug rm h
wrk pc, crc , curr, m, m cr r c , vrg, ppr
cmpur, hppg, cruc mr , c. em rm h urc m
cu vur . th rcmm prcc cum urc gr-
hu g m h r cu h vr, cug xp.
Greenhouse Gases
th rgz’ m grhu g hu cu, h x p, x K
prc g: Co2, CH4, n2o, HFC, PFC sF6.
Note: SF6 is not expected to be a signiicant part o the normal ootprint, because it relates
mostly to industrial activities.
th m hu rpr h pr r ch grhu g ggrg cr
quv (Co2).
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1.3. Data Gaps
a grhu g vr hu cmp p. thrr, gp hv -
mg.
Whr r v, m GHG m cu m cr
ump prx. exmp r:
em (Co2) r rg cump (kWh) pr qur mr c r pc. such•
prx c rv rm r cc rm hr ug h rg.
Vu r vrg rv c rm rpr r r rm.•
th Un h gr ccp h u cum prx r k GHG m rm c wh h v mmr . i h c r xcu ghr rm h vr, h gp
mu cr ghr wh p hw ccu r m c h uur.
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th c p--p gu hw u ch h h Un Grhu G Ccur. Fr
rm u c m mhg u m cr, c
3, Ccug em pg 22.
th Un Grhu G Ccur Mcr® exc h h hr p :
Guideline ields:• Fields that explain how to understand and use the calculator.
User entry ields:• Fields where you can enter activity data, inormation sources or explain as-
sumptions made.
Non-user entry ields:• These are ields with pre-deined drop-down menus or calculations. The
methodology applied by the calculator is explained in section 3.
i h ccur hv h rm cr cr prcur cv, u h a-
ump Cmm r h d Rcr r rm.
2.1. Emission Sources and Data Quality
th ccur h ruc, whr u h rgz ur h rprg
pr. th g rm u h rgz, u u, -
g h crrc rprg r. P h wg xmp ur:
th cc pr w rp r h qu mu wr qu
h cc prc, h qu hr ump.
CalCUlatoR
2
UsinG tHe Un GReenHoUse Gas
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i mpr h h rm crrc p h h cc pr mk ur
h hg m r ru. th cc pr mu r c v g cv
h g r u r rgz.
th ccur k u rv m urc pprpr mhg. th
prvg r wr m rgrg p cv v
cv . a pv rp ru w g p h ccur. Cck h w
r h rv cv , ur w:
Step 1
Step 2
th ccur w, x h m h ir&trckg , p hw h Co2 m
r g up h r m urc r r z.
P mk ur h gp r xp prmp h ir&trckg
. th rp pr mu wr qu hw gp w mg huur.
2.2. Facility Data
th rgz h prv rm u ug rpr h umr pr-
. th rm cr :
Cmpu prrmc cr hc m ruc rg1.
Ccu rg cump hr ug.2.
Prv ug cu h vr r rprg purp.3.
th ug m cu h m h ug r r r. th pr umr
c pc c h rgz h ug u h ccur r-
pr h rgz’ grhu g prrmc. i hrr mpr h h r
crrc.
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P h wg xmp ur:
th c c u h rprg c’ rg cump hr ug.
er h r h ug h r u h rprg c.
2.3. Road and Rail Travel
th Un Grhu G Ccur h r r rv Un cr vhc, w r
r rv puc rpr.
th rgz mu ccu r c r rv vhc cr h rgz, uch
w r cr. i , h rgz w hv ccu r c r r
rv puc rpr. th wu pc c rv rm rpr r r-
m.
th cr cv u cum c rv. such rm rm
v rm h wg urc:
F rcr vc•
emp mg ccu/cm•
irm rm cr r rm•
tx rur rm cr mrg rcr•
trv gc vc rcr•
Frgh hr vc•
Cmp vhc g k•
th urc hu w h r uur prrmc m.
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orgz r k c h c v vhc u p rm rp-w , -
ur w. a ump r rm hu h Cmm a-
ump , ur w:
2.3.1. UN Owned or Leased Vehicles
trpr Un vhc pp c whr pr r rvg r c u r
m r ug Un-w vhc r h purp. trpr cmmug rm
h wrk pc, rpr rp rpr ug mr vhc xcu.
yu r k c h p vhc h p u. dpg v, rg-
z c ch w hr r mh:
Method 1 (most preerred):
th mh hu u h rprg c h cv r h u cump -
c rv. acv u cump u ccu Co2 m, whr cv
c rv (km) u ccu CH4 n2o m. P h wg
xmp ur:
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Method 2:
th mh hu u h rgz h cv r u cump . acv
u cum u ccu Co2 m, whr prx r u r CH4 n2o
m. P h wg xmp ur:
Method 3 (least preerred):
th mh hu u h rgz h cv r c rv . acv
c rv u ccu n2o CH4, whr prx r u r Co2 m-
. P h wg xmp ur:
2.3.2. Public Transport
th rgz w hv ccu r c r rv puc rpr. th pc c
rv pgr r, u r cr p r h rgz. i m c, prx w
cr ccu vrg c rv rm rpr r rm.
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2.4. Energy Consumption in Buildings
irm u rg cum Un w r ug rm v rm h
wg urc:
U prvr rpr crc•
ecrc •
ivc r u vr•
Mr rg (m rm vc mr rg r v)•
G •
Pp murm•
erg mgm wr•
th urc hu w h r uur prrmc m.
2.4.1. Purchased Electricity
th rgz rpr rc GHG m, purchg crc r qupm r pr-
cr h rgz.
th Un Grhu G Ccur w m rc m rm h crc uppr,
cv h mu crc cum h rgz h prv.
Whr h rgz hr ug h pr mr h c prv h
mu crc cum h rgz, u c u h Fc ccu rgz-
pcc cump.
em v rm puc-gr crc r hgh p h rg mx
u pruc h crc. i hrr mpr h h crrc cur c, u-
r w:
th ccur mp prv m cur m cr p. i ur cur
hw, h h u vu r h ggrphc rg hu u.
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yu r curg u gvrm c crc m cr. Rg-pcc m-
cr r v. Fr xmp:
brz:• http://www.mct.gov.br/index.php/content/view/index.php
Usa:• http://www.epa.gov/cleanenergy/energy-resources/egrid/index.html
i h rprg c h cc c crc m cr, h c m cr hu
r mu. a, h urc hu xp h Cmm
aump . P h wg xmp ur:
2.4.2. Purchased Steam
th rgz rpr rc GHG m purchg m r h r qupm r p-
r cr h rgz. th h m rc grhu g m c-
wh m r h purch rm xr uppr.
th mh r ccug m rm xr Cm H Pwr (CHP) p rqurrm rm h h rgz h CHP uppr.
th rgz w hv prv cv r w m r h cump. i ,
h w r w pprch p h p cv v rm h CHP up-
pr:
Method 1
th mh hu u wh m m cr, u kg Co2/kWh, kg CH4/kWh kg
n2o/kWh, r v rm h CHP uppr. th mh c h ir&trckg . Fr
rm u hw rv h m m cr, c 3, Ccug em pg 22.
P h wg xmp ur h r h uppr’ cv :
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Method 2
th mh hu u wh h CHP prvr prv m m cr. th
mh c h ir&trckg . th wg rqur rm h CHP uppr:
tp u u h uppr•
au mu u cum h uppr ()•
au mu crc gr h uppr (kWh)•
au mu m/h gr h uppr (kWh)•
P h wg xmp ur h ur r r h uppr’ cv :
i h prcg mh, u r k c h c v u p rm rp-w
. a ump r rm hu h Cmm aump
.
Method 3
a hr mh wu u c prx r m cr. yu cu mk u c prx,
hr r uc gru r ccpg hr cr ccurc. Fr xmp, h prx-
hv vp gvrm c gc, wu cr uc
gru.
2.4.3. Power Generation
th rgz rpr rc GHG m rm r cmu, h , h cmu
u m r, urc hr p r u chg w r
cr h rgz. t cmp h c, rm u u p u cump-
rqur.
sc h c v u p rm rp-w hw w. a ump r -
rm hu h Cmm aump .
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P h wg xmp ur:
2.5. Fugitive Emissions
th rprg c rpr ugv m rm c ug cr h rgz.
Fugv m r g h r phc cr, u ru rm h r u-
r GHG. a pc urc r ugv m rrgr r-cg
qupm.
2.5.1. Rerigerants and Air-Conditioning (RAC)
Frzr r cg qupm k rrgr g. th rrgr cp h -
mphr ugv m urg , mc pr kg.
yu r k h p g u rrgr. th m cmm rrgr r u-
rp-w . i h cmm rrgr c, h GWP vu w ppr u-
mc h GWP Rrgr cum. P h wg xmp ur:
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i h crrc g , p rr appx ii, ii.7 prv h m h crrc
g h Rrgr tp cum, c HFC r PFC, p h crrc GWP vu h GWP
Rrgr cum. P h wg mp ur:
th rprg c hu rpr m rm RaC qupm, rprg h mu rrgr-
urg h rprg r. thr r vr w ccug rrgr. th
prp hr r mh:
Method 1
th mh hu u rprg c h m hr w RaC-m h hv
rm u h u mu ch p rrgr rpc. d hu v
rm purch rcr rvc rcr.
Method 2
th mh hu u rprg c h hr crcr m hr RaC m.
acv mu rm h crcr, h qu ch p rrgr r-
pc u.
Method 3
th mh hu u rprg c h r p ccu hr u rrgr. th mhg prv vr pprxm vu r RaC m, hu
hrr u r crg purp . i h ummr h c h h RaC m
r grr h 5 % GHG m, mh 1 r 2 hu u.
Fr rm u h hr mhg r g wrmg p r
cmm rrgr, c 3, Ccug em pg 22.
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2.6. Optional Emissions
sm rgz m h h hv gc GHG m rm urc u h Unmmum gr ur. th rgz c ch whhr cu r xcu uch m
urc. ehr w, h c hu w cum.
th op em h Un Grhu G Ccur w rgz urc
h r cu whr h ccur.
exmp p m urc cu cu, u r m :
ecrc •
Curr•
M•
shppg•
Mr c•
th rgz rp r g h v mhg r hr p m-
urc. Hwvr, mpr h h p m urc r rpr h op
em whr h .
Note: Emissions rom biomass uels are to be reported separately rom ossil uel emis-
sions. You must, thereore, distinguish between biomass CO2 and ossil CO2 in the Op-
tional Emissions tab. Please see the ollowing example illustration below:
bm Co2 m r rm h cmu u uch w h, whr
Co2 r rm h cmu c pruc. a m u c u ax ii,
ii.4.
Ccu mh hr mpr rrc r h p cv r mu x-
p h Cmm aump .
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2.7. Reporting GHG Emissions
th ummr h h ummrz h GHG m rm r rpr ug. th m h x grhu g h r cu h Un’ grhu g vr
r ggrg umc ug m hr cru g wrmg. th
grhu g m r hu xpr Co2.
Note: Biomass CO2 is reported separately and is, thereore, not part o the CO2e totals.
i h p m pr ug r pc r pr, p mk ur h
pr urc r h Fc r prpr.
br g h GHG vr h evrm Fc P ur rgz, p mk
ur h rv r cmp. th ’ v u hw h ir&trckg.
Note: The UN Greenhouse Gas Calculator only accounts or road transport, and does not
include air travel. Emissions rom air travel will thus have to be added to get the total
GHG inventory.
a pc g -mg w mrg rm h Un Grhu G Ccur
h Un rc h iCao Cr em Ccur r h m . th Cm
nur Fc P h rgz w rp r ppg h -mg r
ug rpr rgz v.
Furhr rm v h www.unemg.org/climateneutralun w .
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3
CalCUlatinG eMissions
th c cr h mh u h ccur qu h m rm x cmm
urc: Un-w (r ) vhc, puc rpr, purch crc, u cmu -
r qupm uch r urc (h pwr gr), purch m, rrg-
r r-cg qupm.
sCoPe soURCe GReenHoUse Gas
drc em 1
Un-w (r ) vhc Co2, CH4 n2o
Pwr gr Co2, CH4 n2o
Rrgr r-cg qupm HFC PFC
irc em2
Cump purch crc Co2
Purch m Co2, CH4 n2o
3 Puc rpr Co2, CH4 n2o
i gr, h m r qu ug mh h r m cr; h
xcp g rrgr r-cg qupm. em cr r cc h
cr h mu pcc GHG h r rm g cr cv, uch rvg
vhc kmr, r urg u urc. th u u m cr,
ch whch mp rprv . a ru, h w u ccu
m whu h ghr -pcc h qu m r. Hwvr,
cu h r u m, h m cr rc h pcc p u cmu-
m cr chg ch rprg c. a ggrphc- r ch-
gc-pcc m cr m ru mr ccur ccu, hu u h
rprg c g h r cr g u c cum hr urc.
Note: For certain sources, GHG emissions may be calculated in dierent ways to accom-
modate dierences in the type o activity data available to individual reporting oices or
to help ensure that the calculations are as accurate as possible. This chapter will explain
when one alternative method should be used over another.
bcu r GHG r h rgh hr mpc h cm, h ju h
m pcc GHG rc h cu mpc h m. th jum
ug g wrmg p (GWP) vu, whch cvr h m ch GHG cmp-
r u ( Co2 -quv; Co2). th cm mpc rm vu rprg c
r c hu mur h Co2 m rm cr h urc c wh h
c. th u GWP vu u h r appx iii.
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i ummr, h m-cr ccu pprch vv h wg:
F, mhg r guc rm h GHG Prc h iPCC, wh m
cr r rw rm rg urc, cug, h iPCC, Us ePa h ir erg
agc ( appx i).
3.1. UN-owned (or leased) Vehicles
scp 1 rpr m ru rm vhc h r hr w r h Un rprgc. th Co2 m rm rpr urc r ch rm h u’ cr c,
whch vr u. i cr, h CH4 n2o m r ru cr, pc
h cmu m cr chg u h vhc. thrr, ur ccur
ccu, h Co2 m r ccu ug u cump u-pcc m-
cr; h CH4 n2o m r ccu c rv vh-
c-pcc m cr.
th mpm hr rv mh ccmm r p cv (u
u vru c ) v u:
1. When only uel use data are available.
th Co2 m r ccu ug u- GHG-pcc m cr ( appx ii, t
ii.1). i cr h CH4 n2o m r ccu w-p prc:
th u u cvr c ug vhc-pcc u cm cr1.
( appx ii, t ii.2),
th c h mup c- m cr h r g-2.
grg r p r vhc ( appx ii, t ii.3).
emp tt
dt:
amu u•
cum vhc r r
numr •
kmr
rv u
Co2 m cr
CH4 m cr
n2o m cr
CH4 GWP vu
n2o GWP vu
Co2 m
CH4 m Co2
n2o m
Co2
X
X
X
X
X
t Co2 m
()
+
+
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th c- m cr r h rv uc r p m-
cr chg h Us 2004; rprg c m upp m cr
h r mch h p vhc h h pr.
Fu-u c rm u purch rcr, h m r ccu w:
2. When only distance data are available.
th r m h mu u u vr h c rv ppg u u
cm cr ( appx ii, t ii.2); h ccu h Co2 m ug u-pcc Co2m cr Mh 1. th CH4 n2o m r ccu rc ug c-
m cr.
dc c rm rvr g, mr r vc. th m r ccu
w:
amount o u ud
(e.g., litre gasoline or
m3 CNG)
Fu-pcc Co2m cr
Fu-pcc CH4
m cr
Fu-pcc n2om cr
CH4 GWP vu
n2o GWP vu
Co2 m
CH4 m
Co2
n2o m Co2
X
X
X
X
X
t Co2 m()
+
+
dc rv
Fu cm cr
Vhc- pcc CH4
m cr
Vhc- pcc n2om cr
CH4 GWP vu
n2o GWP vu
Co2 m
CH4 m
Co2
n2o m Co2
X
X
X
X
X
t Co2 m()
Fu-pcc Co2m cr
X
+
+
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3. Where both distance and uel use data are available.
i h c, h Co2 m r ccu Mh 1, wh h CH4 n2o m r ccu-
Mh 2.
3.2. Power Generation
scp 1 m ru rm h - gr pwr rm h cmu u -
r qupm, uch r urc.
a wh Un-w vhc, pwr gr m ru h r Co2. CH4 n2o r
m mr mu. ag, h Co2 m r m rm u cr c,
whr h n2o CH4 m p up u chrcrc, u up h ch-
g p, h cmu chrcrc, h mc pr prcc, w h-
r cr. th u m cr r Co2, n2o CH4 r appx ii, t ii. 4-6.
th w u pu u u u rg (uch , GJ kWh), m (uch , ),
vum (uch , m3 r). Hwvr, u hu wr h u rm
v r m u. i h c, u m pu u rg r m.
th GHG m r ccu :
3.2.1. Heating Values
Hg (r crc) vu r mpr u u prv rg u; r xmp, GJ
kWh u ur. Hg vu mur h rg c u r xpr ug -
hr Hghr Hg Vu (HHV), kw Gr Crc Vu, r lwr Hg Vu (lHV),
Amount o uel used
(e.g., litre gasoline or
m3 CNG)
Fu-pcc Co2m cr
Fu-pcc CH4
m cr
Fu-pcc n2om cr
CH4 GWP vu
n2o GWP vu
Co2 m
CH4 m
Co2
n2o m Co2
X
X
X
X
X
t Co2 m()
+
+
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kw n Crc Vu. br m c ccu prpr, h u cump
crrpg m cr mu xpr h m w, h , hr HHV u
r lHV u, u h. th pp u u h hv xpr ug rg
u, u h hv upp m r vum u. a gr ru, HHV r u
C h Usa, whr lHV r u whr; hwvr, xcp h ru m ccur, u hu k hr u uppr cr whch hg vu mh h u.
th u m cr mpm h r lHV. n jum r hrr
cr u u upp lHV . i u u upp HHV ,
h h hu r mup h wg cr cvr hm lHV
h cvr vu c h r h :
s FuCrrc cr h iPCC HHV mup wh xpr h
hg vu lHV
s r lqu 0.95
Gu 0.9
Source: IPCC 2006 Guidelines or National Greenhouse Gas Inventories
3.3. Rerigeration and Air-Conditioning Equipment
Rrgr r-cg (RaC) qupm k rrgr urg , mc,
pr p. bcu m rrgr r GHG wh hgh GWP vu, RaC qupmm gc m urc r m rprg c.
t ccu h m rm RaC qupm, h mpm hr rv mh c-
cu r m h rrgr c wh , mc, pr -
p. yu hu ch mg h mh h v . yu hu wr
h vu rrgr m GHG hmv, h , h rrgr m HFC r PFC.
arv, h rrgr m r chmc, pr whch r PFC r
HFC. yu hu cru ccu h m pr r ch GHG r rrgr .
i ccug m, h w u c rm h m cmm u rrgr
r rrgr . th GWP h rrgr r r h umc u ccu
h Co2 m.
Method 1. Detailed mass balance method.
th mh hu u rprg c h m hr w qupm. th mh -
m HFC PFC m h mu rrgr purch u h qup-
m ur, rqur h hu v rm purch rvc rcr. yu
hu pu h kgrmm.
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th GHG m rm g rrgr (r ) r ccu w:
Where:
Chg vr vum cu g r - (.. cr) wh•
qupm. Chg vr vum ccu :
Inventory at beginning o year –
Inventory at end o year
trrr mu =•
Rerigerant purchased rom producers/distributors in bulk +
Rerigerant provided by manuacturers with or inside equipment +
Rerigerant added to equipment by contractors +
Rerigerant returned ater osite recycling or reclamation -
Sales o rerigerant (in bulk, not equipment) to other entities -
Rerigerant let in equipment that is sold to other entities -
Rerigerant returned to suppliers -
Rerigerant sent-osite or recycling or reclamation -
Rerigerant sent o-site or destruction
Chg cpc RaC qupm =•
Total new charge o new equipment +
Total ull charge o equipment retrotted to use this rerigerant –
Original total ull charge o equipment that is retired or sold to other entities -
Total ull charge o equipment retrotted away rom this rerigerant to a dierent rerigerant
th ccu prc rp r ch rrgr r rrgr.
Chg vr vum
trrr mu rrgr
Chg cpc RaCqupm
GWP rrgr rrrgr
XCo2 m ()
rm g p
rrgr r
+
+
=
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Method 2. Simplied mass balance method
th mh mp vr Mh 1. i hu u rprg c h hr crc-
r m hr RaC qupm. th cv h r upp mu rm h
crcr. i vc h r h rm, h crcr hu pr-
v .
Mh 2 rck m rm h , rvcg p RaC qupm w:
Emissions o individual GHG or loss o rerigerant blend = (P N
- C N
+ P S
+ C D
- RD
) x GWP
Where:
P•n
= Purch rrgr u chrg w qupm (m h qupm h
pr-chrg h mucurr)
C•n
= t u cpc h w qupm (m h qupm h pr-
chrg h mucurr)
P•s
= Qu rrgr u rvc qupm
C•d
= t u cpc rrg qupm
R•d
= Rrgr rcvr rm rrg qupm
yu hu pu kgrmm, h ccu prc hu rp r ch rrgr- r rrgr.
Method 3. Emission-actor based approach
Mh 3 u u m cr pr ccu h m vu GHG r r-
rgr , c wh h m, , pr p RaC qupm.
th u m cr mpm h r pcc r cgr RaC qup-
m, uch mc cmmrc rrgrr.
Mh 3 k ccur h hr Mh 1 r Mh 2. a ru, Mh 3 rcm-
m crg mh rm h gcc h m rm RaC qupm. i
RaC qupm m gc cmp h rprg c’ vr, h h
rprg c hu rv cc h cv cr r hr Mh 1 r Mh 2.
ohrw, h GHG m m wh Mh 3 c rpr.
Fr ch p RaC qupm, h m vu GHG, r rrgr , r ccu-
:
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Where:
em rm h m r RaC qupm (kg) =•
Number of RAC units of type x •
Original refrigerant charge in each unit (kg) •
Emission actor or the assembly and installation o RAC equipment o type x (% o original charge / year).
em rm h pr RaC qupm (kg) =•
Number of RAC units of type x •
Original refrigerant charge in each unit (kg) •
Annual leakage rate or RAC equipment o type x (% o original charge / year).
em rm h p RaC qupm (kg) =•
Number of RAC units of type x •
Original refrigerant charge in each unit (kg) •
(1 – (Annual leakage rate for RAC equipment of type x • Time since last recharge (years)) •
(1 – Recycling efciency or RAC equipment o type x) – Amount o rerigerant i destroyed.
appx ii ( t ii.7) h u m cr h r mpm h . yu mu up-
p h m c h chrg h mu rrgr h h r ruc.
em rm m
RaC
qupm
em rm pr
RaC qupm
em rm p
RaC qupm
GWP rrgr r
rrgr X
Co2 m ()
rm g p rrgr r
+
+
=
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3.4. Purchased Electricity
Purch crc rc m urc cu h m rm h gr c-
rc ccur h rg p, rhr h h rprg c. nh, h m hu cu h rprg c’ vr cu h ru rm cv. Mrvr, h
cru gc h vr c- rgz.
th mpm cur-pcc u m cr r Co2. bu CH4 n2o m r
qu r vr r:
CH4 n2o m vr wh h z, cc vg h cmu ch-1.
g, w wh h mc pr prcc. bcu h vr
vr gc mg crc p, h r rpr mp, cu-
r-pcc m cr.
n curr m cr r v r CH4 n2o. Wh Co2 m cr r2.
up u h ir erg agc (eia), CH4 n2o m-
cr r up rgur r curr u .
th Co2 m rm purch crc c ccu w w:
Method 1: Based on metered electricity use
th mh hu u h rprg c wh crc r hr rcr r v-
h rc hw hw much crc w cum.
th Co2 m r ccu :
du m cr r appx ii ( t ii.8).
Method 2. Indirect method
Whr h rprg c c pc ug w hr rgz, m
hv rc rm u h mu crc h cum. i h c, rprg -
c hu u Mh 2, whch rqur h crc cum h r ug
u h prpr h ug h ccup h rprg c prx r h prpr
h crc u h h rprg c rp r. th mh p ccur
h Mh 1 cu ucr ccupc r r r, cu
um h ccup h ug hv mr rg cump h. th crc c-
ump hu v rm h ug’ prpr mgr:
amu crc
purch (.g., kWh)
Cur-pcc Co2
m crX Co2 m=
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th Co2 m r ccu :
du m cr r appx ii (t ii.8).
3.5. Purchased Steam
Cm H Pwr (CHP) p gr h crc h/m. th m c- wh h crc hu ccu wg h 2.4.1 Purch crc pg 19, -
umg h h p gr-cc. th purch m prh hu u whvr
rprg c purch pr h h r m upu rm vu CHP p.
th ccu h rc (cp 2) m rm m purch rqur rm u h
GHG m h m rm pwr gr h CHP p. th GHG rm u c-
cu m cr r m pruc, whch h mup h mu m r h
purch h rprg c qu h cp 2 m rm purch m. CHP p
m upp m cr r m pruc. ohrw, h cr hv v-
p h rprg c ug rm u u cump rg pruc h p. th gr prc r vpg m m cr ccug h cp 2 m-
ummrz w:
a tm mon
to b om
t chP pnt?
sp 1: Ccu h Co2,CH4 n2o m
rm pwr gr
sp 2: drm h rugmu crc m
rg pruc h CHP p
sp 3: ac h m ch GHG m ( pp
crc) pruc
sp 4: Ccu h Co2, CH4
n2o m cr r mpruc
sp 5: Mup h m
m cr hmu purch m
NO
YES
ecrc u rug (.g., kWh)
ar cmp’
pc ÷ ug
r
X Cur-pcc Co2
m crCo2 mX
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i h rg prvr upp m cr r m pruc, prc p 5. ohr-
w, ccu h m cr wg p - ur w. ech p hu rp r
ch Co2, CH4 n2o.
sp :1. Ccu h m GHG rm r cmu h CHP m.
th u cump w hv upp h rg prvr. Fr ,
3.2 Pwr gr pg 30.
sp w:2. drm h rg h m crc upu rm gr
h CHP m. th vu hu h m u, r xmp, GJ r mr si u.
ag, h w hv upp h rg prvr.
sp hr:3. drm h rc h m ch GHG (Co2, CH4 n2o)
c m pruc ( pp crc pruc) ug h wg
rmu:
H / H e
H= . e
t
H / H
+ P/P
Where:
eH
= m c m pruc
H = m upu (rg)
H
= um cc m pruc
P = vr crc gr (rg)
P
= um cc crc gr
e t
= rc m h CHP m
du cc cr r prv appx 3 h exc wrkk.
sp ur:4. Ccu h m cr r m pruc w:
eH
em cr r m pruc = H
sp v:5. em m rm m purch :
GHG emissions = Amount o steam purchased . Emission actor or steam production
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3.6. Public Transport
th ccu h Co2, CH4 n2o m rm puc rpr, uch u r r, w
x. th um x r g-pwr pgr vhc. du m cr r - appx ii ( t ii.10).
th m rm ch urc r ccu c , w:
3.7. Optional Emissions
th op em u r m r urc h r cvr h
ccu mhg hr pr h ccur. ahugh h u h p, u
r curg rpr h h mr cmp urg h rprg c’ c-
m mpc c .
em hu r rc h r h K g (Co2, CH4, n2o, HFC,
PFC) m Un c, w r hr grhu g h r z pg
uc, r xmp, chrurcr (CFC) hrchrurcr (HCFC). th
uc c rpr p cu h r r ujc h Mr Prc, whch
pcc rg z pg uc.
i ug h op em p pu m kgrmm. th h pp
h pprpr GWP vu rm h GHG m Co2 . Fr GWP vu,
appx iii.
Note: The CO2 emissions rom biomass use, such as biouel combustion, should be re-
ported separately rom the CO2 emissions rom ossil uel combustion.
numr pgr-km-
r rv r,u r x
dc- Co2m cr
dc- CH4
m cr
dc- n2o
m cr
CH4 GWP vu
n2o GWP vu
Co2 m
CH4 m
Co2
n2o m
Co2
X
X
X
X
X
t Co2 m()
+
+
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appnd i - DaTa sOUrces
UN-Owned (or Leased) Vehicles
surc mh: GHG Prc ‘Co2 m rm rpr r m urc’; Vr-•
1.3. a, Us ePa Cm lr.
surc m cr: Us ePa Cm lr 2006 iPPC Gu r n•
Grhu G ivr, Vum 1, Chpr 1.
Power Generation
surc mh u : GHG Prc Ccu t r drc em•
rm sr Cmu, Vr 3.1.
em cr: 2006 iPCC Gu r n Grhu G ivr, Vum 2,•
Chpr 1 2.
Rerigeration and Air-Conditioning Equipment
surc mh: GHG Prc ‘Ccug HFC PFC em rm h Muc-•
urg, srvcg, /r dp Rrgr ar-Cg equpm’; Vr
1.0.
em cr: 2006 iPCC Gu r n grhu G ivr; Vum 3,•
Chpr 3.
Consumption o Purchased Electricity
surc mh: GHG Prc ‘irc Co2 m rm Purch ecrc,•
H, r sm’
em cr: ir erg agc d srvc. 2006. “Co2 em rm Fu•
Cmu (2006 e)”.
Purchased Steam
surc mh: GHG Prc ‘ac GHG m rm cm h•
pwr (CHP) p’; Vr 1.
Fcr: th u cr r h um cc crc m pruc•
r urc rm h Us ePa Cm lr prgrmm.
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Public Transport
surc mh: GHG Prc ‘Co2 m rm rpr r m urc’; Vr-•
1.3. a, Us ePa Cm lr.
surc m cr: Us ePa Cm lr.•
Optional Emissions
surc CFC HCFC m Fcr: iPCC (irgvrm P Cm•
Chg). spc Rpr sgurg h oz lr h G Cm sm:
iu R Hrurcr Prurcr, spc Rpr h irgv-
rm P Cm Chg, Cmrg, eg, 2005.
Other Reerences
eMG: a srg r Cm nur Un. www.umg.rg/cmuru.•
UneP/GRid- ar: Kck h H – Un gu cm ur. a U n•
evrm Prgrmm Puc 2008.
WRi/WbCsd: th Grhu G Prc – a crpr ccug rprg -•
r.
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appnd ii - DefaUlT eMissiON facTOrs
UN-owned (or leased) Vehicles
Table II.1. Fuel-specic CO2 emission actors or use with Methods 1-3.
Fuel Emission actor
Vu U
G 2.271 kg Co2 / r
d 2.676 kg Co2 / r
eh 1.469 kg Co2 / r
b 2.499 kg Co2 / r
lnG 1.178 kg Co2 / r
CnG 1.885 kg Co2 / m3
lPG 1.612 kg Co2 / r
Table II.2. Fuel economy actors used in Method 2.
Vehicle type Fuel economy actor (km / litre)
Pgr cr 3.694
Mrcc 8.208
V Pckupruck sUV 2.6660
bu
d 0.607
CnG 0.394
lnG 0.296
Hv u vhc 1.445
lgh u vhc 0.969
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Table II.3. Distance-based emission actors or CH4 and N2O. Used in Methods 2 and 3.
Vehicle type Fuel
Emission actor (kg / vehicle km)
CH4
n2o
G Pgr Cr* 9.00988e-06 5.15738e-06
G V, Pckup ruck, sUV* 9.44484e-06 8.2021e-06
G Hv-u vhc* 2.11888e-05 1.77091e-05
d Pgr Cr* 3.10686e-07 6.21371e-07
d V, Pckup ruck, sUV* 6.21371e-07 9.32057e-07
d Hv-u vhc* 3.16899e-06 2.98258e-06
Mrcc 4.3496e-05 4.3496e-06
arv u vhc
bu
CnG 0.001222 0.000109
eh 0.000122 0.000109
Hv u vhc
CnG 0.001222 0.000109
eh 0.000122 0.000109
lPG 0.000041 0.000109
lnG 0.001222 0.000109
lgh u vhc
CnG 0.000458 0.000031
eh 0.000034 0.000042
lPG 0.000023 0.000042
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Power Generation
Table II.4. Fuel-specic CO2 emission actors
FuelEnergy basis
kg/GJ
Mass basis
kg/
Liquid basis
kg/ r
Gas basis
kg/m3
o pruc
Cru 73.3 3100.59 2.48
ormu 77 2117.5
nur G lqu 64.2 2837.64
ohr kr 71.9 3149.22 2.52
G/d 74.1 3186.3 2.68
Ru u 77.4 3126.96 2.94
lqu Prum G 63.1 2984.63 1.61lurc 73.3 2946.66 2.95
Prum ck 97.5 3168.75
ohr prum pruc 73.3 2946.66
C pruc
ahrc 98.3 2624.61
Ckg c 94.6 2667.72
ohr umu c 94.6 2440.68
su umu c 96.1 1816.29
lg 101 1201.9
o h r 107 952.3brw c rqu 97.5 2018.25
P u 97.5 2018.25
Ck v ck 107 3017.4
lg ck 107 3017.4
nur g nur g 56.1 2692.8 1.88
ohr w
Mucp w (n m rc) 91.7 917
W 73.3 2946.66
bm W r W w 112 1747.2
ohr prmr m u 100 1160Chrc 112 3304
bg 70.8 1911.6
b 70.8 1911.6
ohr qu u 79.6 2181.04
l g 54.6 2751.84 2.48
sug g 54.6 2751.84
ohr g 54.6 2751.84
Mucp w (bm rc) 100 1160
P 106 1034.56
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Table II. 5. Fuel-specic CH4 emission actors
FuelEnergy basis
kg/GJ
Mass basis
kg/
Liquid basis
kg/ r
Gas basis
kg/m3
o pruc
Cru 0.01 0.423 0.0003ormu 0.01 0.275
nur G lqu 0.01 0.442
ohr kr 0.01 0.438 0.0004
G/d 0.01 0.43 0.0004
Ru u 0.01 0.404 0.0004
eh 0.005 0.232 0.0003
lurc 0.01 0.402 0.0004
Prum ck 0.01 0.325
ohr prum pruc 0.01 0.402C pruc
ahrc 0.01 0.267
Ckg c 0.01 0.282
ohr umu c 0.01 0.258
su umu c 0.01 0.189
lg 0.01 0.119
o h r 0.01 0.089
brw c rqu 0.01 0.207
P u 0.01 0.207
Ck v ck 0.01 0.282lg ck 0.01 0.282
nur g nur g 0.005 0.24 0.0002
ohr w
Mucp w (n m rc) 0.3 3
W 0.3 12.06
bm
W r W w 0.3 4.68
ohr prmr m u 0.3 3.48
Chrc 0.2 5.9
bg 0.01 0.27
b 0.01 0.27
ohr qu u 0.01 0.274
l g 0.005 0.252 0.0002
sug g 0.005 0.252
ohr g 0.005 0.252
Mucp w (bm rc) 0.3 3.48
P 0.01 0.0976
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Table II. 6. Fuel-specic N2O emission actors
FuelEnergy basis
kg/GJ
Mass basis
kg/
Liquid basis
kg/ r
Gas basis
kg/m3
o pruc
Cru 0.0006 0.0254 0.00002ormu 0.0006 0.0165
nur G lqu 0.0006 0.0265
ohr kr 0.0006 0.0263 0.00002
G/d 0.0006 0.0258 0.00002
Ru u 0.0006 0.0242 0.00002
lqu Prum G 0.0001 0.0047 2.5542e-06
lurc 0.0006 0.0241 0.00002
Prum ck 0.0006 0.0200
ohr prum pruc 0.0006 0.0241C pruc
ahrc 0.0015 0.0401
Ckg c 0.0015 0.0423
ohr umu c 0.0015 0.0387
su umu c 0.0015 0.0284
lg 0.0015 0.0179
o h r 0.0015 0.0136
brw c rqu 0.0015 0.0311
P u 0.0015 0.0311
Ck v ck 0.0015 0.0423lg ck 0.0015 0.0423
nur g nur g 0.0001 0.0048 0.000003
ohr w
Mucp w (n m rc) 0.004 0.04
W 0.004 0.1608
bm
W r W w 0.004 0.0624
ohr prmr m u 0.004 0.0464
Chrc 0.001 0.0295
bg 0.0006 0.0162
b 0.0006 0.0162
ohr qu u 0.0006 0.0164
l g 0.0001 0.0050 0.000005
sug g 0.0001 0.0050
ohr g 0.0001 0.0050
Mucp w (bm rc) 0.004 0.0464
P 1.4 0.0137
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Rerigeration and Air-Conditioning Equipment
Table II.7. Emission actors implemented in Method 3. The tool assumes the mid point o the ranges in parentheses.
ApplicationAverage Charge
(kg)
Average Lietime
(years
Average
Assembly
Average Annual
Leakage Rate
Average
Recycling
Efciency
dmc rrgr0.28
(0.05 - 0.5)
16.00
(12 - 20)
0.60%
(0.2 -1%)
0.30%
(0.1 - 0.5%)70%
s- cmmrcppc
2.90
(0.2 - 6)
12.50
(10 - 15)
1.75%
(0.5 - 3%)
7.50%
(1 - 15%)
75%
(10 - 80%)
Mum rg cmmrc
rrgr
1025.00
(50 - 2,000)
8.50
(7 - 10)
1.75%
(0.5 -3%)
22.50%
(10 - 35%)
85%
(80 - 90%)
trpr rrgr5.50
(3.0 - 8.0)
7.50
(6 - 9)
0.6
(0.2 - 1%)
32.50%
(15 - 50%)
75%
(70 - 80%)
iur rrgr
cug prcg c rg
4995.00
(10 - 10,000)
22.50
(15 - 30)
1.75
(0.5 - 3%)
16%
(7 - 25%)
85%
(80 - 90%)
Chr995.00
(10 - 2,000)
22.50
(15 - 30)
0.6
(0.2 - 1%)
8.50%
(2 - 15%)
87.50%
(80 - 95%)
R cmmrc
a/C, cug h pump
49.75
(0.5 - 100)
15.00
(10 - 20)
0.6
(0.2 - 1)
3%
(1 - 5%)
75%
(70 - 80%)
M r cr 1.00(0.5 - 1.5)
12.50(9 - 16)
0.35%(0.2 - 0.5)
15%(10 - 20%)
0%
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Consumption o Purchased Electricity
Table II. 8. Country-specic CO2 emission actors
Country Emission actor (kg CO2/ kWh o Electricity)
a 0.0344395
agr 0.6709448
ag 0.3427467
arg 0.3064495
arm 0.138329
aur 0.87331
aur 0.22487
azrj 0.5048522
bhr 0.8901022
bgh 0.5568777
bru 0.298834
bgum 0.267959
b 0.7099346
bv 0.481352
b-Hrzgv 0.6186506
bw 1.8476941
brz 0.0842192
bru drum 0.7888284
bugr 0.4480035
Cm 1.2059307
Cmr 0.0390982
C 0.198664
Ch 0.3574757
Pp' Rpuc Ch 0.7878678
Ch (cug Hg Kg) 0.7881334
tp 0.6316822
Cm 0.1631909
Cg n
dmcrc Rpuc Cg 0.0029579
C Rc 0.0268938
Cô 'ivr 0.5181223
Cr 0.3113264
Cu 0.9874434
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Country Emission actor (kg CO2/ kWh o Electricity)
Cpru 0.7923237
Czch Rpuc 0.515573
dmrk 0.283582dmc Rpuc 0.5739929
ecur 0.3690944
egp 0.4714438
e svr 0.2634097
err 0.6961661
e 0.6649089
ehp 0.0066382
F 0.193551
Frc 0.090859G 0.3683352
Grg 0.0892311
Grm 0.349232
Gh 0.2037662
Grr 0.7430897
Grc 0.776493
Gum 0.3837588
H 0.3073561
Hur 0.4107127Hg Kg, Ch 0.8097809
Hugr 0.338703
ic 0.000619
i 0.9433615
i 0.770737
imc Rpuc ir 0.5337664
irq 0.7007056
ir 0.584173
ir 0.7674805
i 0.405393
Jmc 0.7133488
Jp 0.42854
Jr 0.6598882
Kzkh 1.1368468
K 0.3067699
dm. Pp' Rpuc Kr 0.5209546
Kr 0.418188
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Country Emission actor (kg CO2/ kWh o Electricity)
Kuw 0.8074868
Krgz 0.0816262
lv 0.1620338l 0.6673417
l 0.8993748
lhu 0.1296019
luxmurg 0.327756
FyR Mc 0.6447905
M 0.5570099
M 0.8918929
Mxc 0.51547
Rpuc Mv 0.5157233Mg 0.5332154
Mrcc 0.7775021
Mzmqu 0.0013384
Mmr 0.3648027
nm 0.026364
np 0.0014075
nhr 0.386667
nhr a 0.7178293
nw Z 0.275422ncrgu 0.5387694
ngr 0.402963
nrw 0.005502
om 0.8545383
Pk 0.3795676
Pm 0.2768361
Prgu n
Pru 0.1978384
Phpp 0.4951494
P 0.658899
Prug 0.498223
Qr 0.6179696
Rm 0.3941358
Ru 0.3379606
su ar 0.7476115
sg 0.6341252
sr Mgr 0.7479229
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Country Emission actor (kg CO2/ kWh o Electricity)
sgpr 0.5439296
svk Rpuc 0.232063
sv 0.3282908suh arc 0.8483575
sp 0.394298
sr lk 0.3976328
su 0.8480347
sw 0.044537
swzr 0.026231
sr 0.5874982
tjk 0.027412
U Rpuc tz 0.6065632 th 0.5313397
tg 0.4740695
tr tg 0.7090296
tu 0.4815921
turk 0.432842
turkm 0.7951234
Ukr 0.314316
U ar emr 0.8436165
U Kgm 0.472514U s 0.572934
Urugu 0.1027396
Uzk 0.4430373
Vzu 0.2252232
Vm 0.4055964
ym 0.8454729
Zm 0.0068391
Zmw 0.5723375
Fr hr cur, p u h wg:
ohr arc 0.4201425
ohr l amrc 0.5182661
ohr a 0.3608507
Mm: eurp U - 27 0.340861
Mm: Frmr yugv 0.5765181
oeCd eurp 0.325559
arc 0.6427366
n-oeCd eurp 0.4785902
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Purchased Steam
Table II.9. Efciency actors or steam and power production.
eH Assumed efciency o typical power production eP Assumed efciency o typical steam production
0.8 0.35
Public Transport
Table II.10.
Public transport
Emission Factor (Kg GHG/ passenger km)
Co2 CH4 n2o
irc/n 0.115 1.24e-06 6.21e-07
Cmmur/gh r 0.107 1.24e-06 6.21e-07
tr r (rm, uw) 0.101 2.49e-06 1.24e-06
Pgr bu (du) 0.066 3.73e-07 3.11e-07
lc bu 0.1073 3.73e-07 3.11e-07
Cch 0.029 3.73e-07 3.11e-07
Pgr Cr (tx) 0.12915374 0.0000124274 0.0000130488
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appnd iii - GWP valUes
Table III.1. GWP values or individual greenhouse gases.
Gas GWPFrmu Cmm m Chmc m
Co2 Cr x 1
CH4 Mh 21
n2o nru x 310
sF6 suur hxur 23,900
Hrurcr (HFC)
CHF3 HFC-23 rurmh 11,700
CH2F2 HFC-32
HFC-41
urmh
urmh
650
150*CH3F
C5H2F10 HFC-43-10m
HFC-125
1,1,1,2,3,4,4,5,5,5-
curp
purh
1300*
2,800
C2HF5
C2H2F4 HFC-134
HFC-134
1,1,2,2-rurh
1,1,1,2-rurh
1,000
1,300C2H2F4
C2H3F3 HFC-143 1,1,2-rurh 300
C2H3F3 HFC-143 1,1,1-rurh 3,800
C2H4F2 HFC-152 1,2-urh 43*
C2H4F2 HFC-152 1,1-urh 140
C2H5F HFC-161 urh 12*
C3HF7 HFC-2271,1,1,2,3,3,3-
hpurprp2,900
C3H2F6 HFC-236c 1,1,1,2,2,3-hxurprp 1,300*
C3H2F6 HFC-236 1,1,1,2,3,3-hxurprp 1,200*
C3H2F6 HFC-236 1,1,1,3,3,3-hxurprp 6,300
C3H3F5 HFC-245c 1,1,2,2,3-purprp 560
C3H3F5 HFC-245 1,1,1,3,3-purprp 950*
C4H5F5 HFC-365mc 1,1,1,3,3-puru 890*
Prurcr (PFC)
CF4 PFC-14 (Prurmh) rurmh 6,500
C2F6 PFC-116 (Prurh) hxurh 9,200
(C3F8) PFC-218 Prurprp curprp 7,000
C4F10 Pruru curu 7,000
c-C4F8 Prurccu curccu 8,700
C5F12 Prurp curp 7,500
C6F14 Prurhx rcurhx 7,400
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Source:
th GWP vu r rm h iPCC sc am Rpr (1995), u c hrw (*),
whch c h r rm h iPCC thr am Rpr (2001). thr am Rpr vu
hv cu r grhu g h wr rg cvr h sc a-
m Rpr.
n: a GWP vu wr ccu umg 100 r m hrz.
Table III.2 GWP values or rerigerant blends.
Chemical blend GWP
R-401a 18R-401b 15
R-401C 21
R-402a 1,680
R-402b 1,064
R-403a 1,400
R-403b 2,730
R-404a 3,260
R-406a 0
R-407a 1,770R-407b 2,285
R-407C 1,526
R-407d 1,428
R-407e 1,363
R-408a 1,944
R-409a 0
R-409b 0
R-410a 1,725
R-410b 1,833R-411a 15
R-411b 4
R-412a 350
R-413a 1,774
R-414a 0
R-414b 0
R-415a 25
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Chemical blend GWP
R-415b 105
R-416a 767
R-417a 1,955R-418a 4
R-419a 2,403
R-420a 1,144
R-500 37
R-501 0
R-502 0
R-503 4,692
R-504 313
R-505 0R-506 0
R-507 r R-507a 3,300
R-508a 10,175
R-508b 10,350
R-509 r R-509a 3,920
n: th GWP r h GWP hr HFC PFC cu. ohr c-
u r cr hv GWP zr, v hugh h m hv gc cm mpc,
cu h g r rcgz ur h K Prc. th HFC PFC c h
hv rm asHRae sr 34.
Table III.3 GWPs o ozone depleting substances
Ozone Depleting Substance GWP*
CFC-11 (CC3F) trchrurmh 4680
CFC-12 (CC2F2) dchrurmh 10720
CFC-113 (C2F3C3) 1,1,2-trchrrurh 6030
CFC-114 (C2F4C2) dchrrurh 9880
CFC-115 (C2F5C) Mchrpurh 7250
H 1211 (CF2Cbr) brmchrurmh 1860
H 1301 (CF3br) brmrurmh 7030
H 2402 (C2F4br2) drmrurh 1620
CFC-13 (CF3C) Chrrurmh 14190
CC4 Cr rchr 1380
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Ozone Depleting Substance GWP*
Mh Chrrm (C2H3C3) 1,1,1-rchrh 144
Mh brm (CH3br) 5
HCFC-22 (CHF2C) Mchrurmh 1780
HCFC-123 (C2HF3C2) dchrrurh 76
HCFC-124 (C2HF4C) Mchrrurh 599
HCFC-141 (C2H3FC2) dchrurh 713
HCFC-142 (C2H3F2C) Mchrurh 2270
HCFC-225c (C3HF5C2) dchrpurprp 120
HCFC-225c (C3HF5C2) dchrpurprp 586
*a GWP r 100 r m hrz.
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appnd iv - MiNiMUM reqUireD acTiviTy DaTa fOr
The UN GreeNhOUse Gas calcUlaTOr
Reerence Data
numr pr•
surc r ug (m•2)
UN Vehicles
tp vhc•
tp u u•
dc rv (km)•
Qu u cum (r)•
Public transport
tp vhc•
dc rv (km)•
Purchased electricity
ecrc cum (kWh)•
Purchased steam/heat
Qu m/h purch (kWh)•
AND:
Co2, CH4, n2o m cr•
OR:
tp u u uppr•
t qu u cum uppr (r)•
t m/h pruc uppr (kWh)•
t mu crc pruc uppr (kWh)•
8/4/2019 UN CArbon Calculator Manual
http://slidepdf.com/reader/full/un-carbon-calculator-manual 55/55
| GReenHoUse Gas CalCUlatoR 1.052
Power generation
tp u•
Qu u cum•
Rerigeration and Air-Conditioning
tp rrgr•
AND:
ivr chg (kg)•
trrr mu (kg)•
Chg cpc (kg)•
OR:
nw qupm chrg (kg)•
nw qupm cpc (kg)•
exg qupm rchrg (kg)•
dp qupm cpc (kg)•
OR:
tp qupm•
numr qupm•