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Photovoltaic Systems Training
Session 5 – Economic Analysis
http://www.leonardo-energy.org/training-pv-systems-design-construction-operation-and-maintenance
Javier Relancio & Luis RecueroGeneralia Group
September 30th 2010
PHOTOVOLTAIC SYSTEM
Design, Execution, Operation & Maintenance
PROFITABILITY ANALYSIS
Javier Relancio. Generalia Group. 30/09/2010www.generalia.es
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INDEX
Expenses of the plant operation.
Insurance
Project Cash-flow & IIR (Internal rate of return)
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INDEX
Expenses of the plant operation.
Insurance
Project Cash-flow & IIR (Internal rate of return)
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Operation expenditures
As we already know, the operation expenses for a PV plant are…
1. Plant operators & maintenance staff
2. Spare Parts stoc
3. Consumable stock: oil, paint, etc
4. Surveillance system
5. Monitoring system
6. Insurance
7. Land renting contract
8. Supplies: Water, light, internet…
9. Taxes
Note: In this presentation we will
study in detail the insurance…
INDEX
Expenses of the plant operation.
Insurance
Project Cash-flow & IIR (Internal rate of return)
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Operation expenses:Insurance
Key points
1. Identification of the risks and insurable assets & interests
2. The insurance program should cover
a. Plant execution
b. Plant operation
c. Civil responsibility
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1. Identification of risks and insurable assets & interests
A. Insurable risks
Risks of the nature
Theft, vandalism, terrorism or sabotage
Execution defects
Losses due to facility stop (indirect damages)
Breakdown of the equipments
Responsibilities for third persons damages
B. Non-insurable risks (The company takes the risk)
Political, social or financial risks
Technological, professional risks
Strategic risks
Operation expenses:Insurance
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2. The insurance program
Main objective:
To protect the interests (heritage and profitability) of the property and of the financing company
A. It must cover:
Assets
Income
Responsibilities
B. There are two defined periods
Plant execution
Operation
Operation expenses:Insurance
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2.1 The insurance program: execution (I)
All-risk insurance I
A. Insured goods:
Foundations, solar modules and equipments, constructions and fences, civil and electrical work, equipments of protection...
B. All-risk conditions
There are covered all direct, sudden and unforeseen damages that are not explicitly excluded
C. Risks which are result of:
Transport, load and unload, assembly, pre-installation, installation, tests, commissioning and maintenance
Operation expenses:Insurance
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2.1 The insurance program: execution (II)
All-risk insurance II
A. Covertures
And any other issue that is not excluded from the policy
Ordinary risks
Fire, explosion and lightning strikeSteal and vandalism
Plane crashes or vehicles impacts
Optional risks
Consequences of a design mistakeTerrorism and sabotage
Strike, riot and civil commotionInsurance of maintenance (12 months)
Civil responsibility
Staging risks
Technical risks: managing, assembly, tests, short circuit, overvoltage, overpressure, centrifugal forceHuman errors: mistakes of assembly, negligence, inexperience, malicious hurt
Natural risks
Wind, hailstorm, snow and rainOther natural extraordinary phenomena
Frost and defrostOverflow and floods
Collapse, detachment and landslide of landEarthquakes and volcanic phenomena
Operation expenses:Insurance
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2.1 The insurance program: execution (III)
All-Risk policy. The execution III
A. Requirements for the contracting :
Analysis of the risk situation
Protection and vigilance measures
Control of subcontractors and bidders
B. Other considerations
Contractual losses or penalties
Exemptions
Deliveries in different stages
C. Who has to get an insurance?
All the persons with interests in the insured risk: promoter, operating company, financial company, bidders and subcontractors
Operation expenses:Insurance
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2.2 The insurance program: Operation (I)
All-risk & Multi-risk insurances
A. Insured goods:
Foundations, modules and equipments, constructions and fences, civil and electrical work, equipments of protection...
B. Risks of the ownership and operation of the PV facility
C. Multi-risk coverage
The contract details the reasons that are considered recoverable disasters
D. All-risk coverage
The contract details only the exclusions, being recoverable the rest of circumstances
Operation expenses:Insurance
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2.2 The insurance program: Opération(II)
Multi-risk insurance
A. Coverage
Basic guarantees
Fire, explosion and lightning strike
Extensive guarantees
Rain, hailstorm, wind or snowDamages due to water or floodActs of vandalism or sabotage
Impact of vehiclesaircraft or spaceships crashes, sonic waves
Civil responsibility
CR Exploitation, employers, defense and bailsCR for damages to the energy receptor
Optional guarantees
Theft and spoliationElectrical damages in electrical or electronic equipments
Breakdown of equipmentsLoss of benefits
Operation expenses:Insurance
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2.2 The insurance program: Operation (III)
All-risk insurance
A. Exclusions
General exclusions
Bad intentions from the contractorDesign mistake
Degradation
Optional guarantees
Production losses
Civil responsibility
CR Exploitation, employers, defense and bailsCR for damages to the energy receptor
Consideration
General exemptionsSeveral sinister
Consequences of a design mistakeOther clauses
Operation expenses:Insurance
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2.2 The insurance program: Operation (IV)
All-risk & Multi-risk insurances
A. Requirements for the contracting :
Analysis of the situation of risk (terrain, access, etc)
Protection and vigilance measures
Control of operation & maintenance contracts
B. Other considerations
Availability of solar modules in the market
Exemptions
C. Who has to get an insurance?
All the persons with interests in the insured risk: operating company & financial company
Operation expenses:Insurance
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INDEX
Expenses of the plant operation.
Insurance
Project Cash-flow & IIR (Internal rate of return)
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Profitability analysis
Inputs (I)
For the profitability analysis in this presentation, we will consider the following inputs:
1.Peak power 10% over the nominal power
2.Module degradation: 1% per year
3.Electricity price increase: 2,5% per year
4.Loan
For 12 years
Grace period: 1 year
Interest rate of 5%
Though the most of the financings of the facilities have a variable type indexed to the EURIBOR, we consider an interest of 5 % for this study
Equity: 20 %
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We are considering the following investment, operation & maintenance costs…
Type of installationInvestment
(€/Wp)
Operation and other costs (The insurance and the
physical surveillance are NOT considered)
Fix to ground crystalline module 2.9
Fix cost: 200 €+
2 % of the incomes for the energy produced
Fix to ground thin film module 2.7
Crystalline module with suntracker 4.1
Fix to roof crystalline module 3
Fix to roof thin film module 2.8
Note: The price of a solar plant in Germany will be 0.1 € lower per Wp than in Spain, due to administrative simplifications in that country
Profitability analysis
Inputs (II)
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Profitability Analysis
Inputs (III). Production & Energy price
Germany
Estimated production: 950 kWh/kWpSubvention (ground): 0,284 €/kWhSubvention (roof):
30 – 100kW: 0,3723 €/kWh> 1000 kW: 0,2937 €/kWh
Spain
Estimated production: 1350 kWh/kWpSubvention (ground): 0,265 €/kWhSubvention (roof):
>20 kW: 0,295 €/kWh <20 kW: 0,33 €/kWh
Note: The production in Germany has a lower radiation, but it is favored by the low temperature losses
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Profitability Analysis
Study cases
Technology Power Type Country Estimated production Subvention
Case 1 Crystalline 1.000 kW Ground Plant Spain 1350 0.265
€/kWh
Case 2 Thin film 1.000 kW Ground Plant Spain 1350 0.265
€/kWh
Case 3 Crystalline 100 kW Roof Germany 950 0.3723 €/kWh
Case 4 Crystalline 100 kW Roof Spain 1350 0.295€/kWh
Case 5 Crystalline 1.000 kW Suntracker Plant Spain 1890 0.265
€/kWh
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Study case 1 (I)
Technology Power Type Country kWh/kWp Tariff
Case 1 Crystalline 1.000 kW Ground Spain 1350 0.265 €/kWh
OUTPUTS INPUTS RESULT
LOAN FEE MAINTENANCE COST WITHOUT INSURANCE INCOMES CASH FLOW ACCRUED
INCOME
-638.000 -638.000
1º YEAR 283.238 8.071 393.525 102.216 -535.784
2º YEAR 283.238 8.190 399.329 107.902 -427.882
3º YEAR 283.238 8.310 405.220 113.671 -314.212
4º YEAR 283.238 8.433 411.197 119.525 -194.686
5º YEAR 283.238 8.557 417.262 125.466 -69.220
6º YEAR 283.238 8.684 423.416 131.494 62.274
7º YEAR 283.238 8.812 429.662 137.612 199.886
8º YEAR 283.238 8.942 435.999 143.819 343.705
9º YEAR 283.238 9.073 442.430 150.118 493.823
10º YEAR 283.238 9.207 448.956 156.510 650.334
11º YEAR 283.238 9.343 455.578 162.997 813.330
12º YEAR 283.238 9.481 462.298 452.817 1.266.147
13º YEAR 9.621 469.117 459.496 1.725.644
14º YEAR 9.763 476.036 466.274 2.191.917
15º YEAR 159.907 .(1) 483.058 323.151 2.515.068
16º YEAR 10.053 490.183 480.130 2.995.199
17º YEAR 10.201 497.413 487.212 3.482.411
18º YEAR 10.352 504.750 494.398 3.976.809
19º YEAR 10.504 512.195 501.691 4.478.500
20º YEAR 10.659 519.750 509.091 4.987.591
21º YEAR 10.816 527.416 516.600 5.504.191
22º YEAR 10.976 535.196 524.220 6.028.411
23º YEAR 11.138 543.090 531.952 6.560.363
24º YEAR 11.302 551.100 539.798 7.100.161
25º YEAR 11.469 559.229 547.760 7.647.921
(1) Hypothetical fee for an extraordinary reparation on the year 15th : 150.000 €
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Study case 1 (II)
Technology Power Type Country kWh/kWp Tariff
Case 1 Crystalline 1.000 kW Ground Spain 1350 0.265 €/kWh
INCOMES PER YEAR
385.455 €
INVESTMENT ACCRUED INCOMES
3.190.000 € 7.364.683 €
LOAN I.I.R
2.552.000 € 23,07%
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Study case 2 (I)
Technology Power Type Country kWh/kWp Tariff
Case 2 Thin film 1.000 kW Ground Spain 1350 0.265 €/kWh
OUTPUTS INPUTS RESULT
LOAN FEE MAINTENANCE COST WITHOUT INSURANCE INCOMES CASH FLOW ACCRUED
INCOME
-594.000 -594.000
1º YEAR 263.705 8.071 393.525 121.750 -472.250
2º YEAR 263.705 8.190 399.329 127.435 -344.815
3º YEAR 263.705 8.310 405.220 133.205 -211.611
4º YEAR 263.705 8.433 411.197 139.059 -72.552
5º YEAR 263.705 8.557 417.262 141.000 72.448
6º YEAR 263.705 8.684 423.416 151.028 223.476
7º YEAR 263.705 8.812 429.662 157.145 380.622
8º YEAR 263.705 8.942 435.999 163.353 543.974
9º YEAR 263.705 9.073 442.430 169.652 713.627
10º YEAR 263.705 9.207 448.956 176.044 889.671
11º YEAR 263.705 9.343 455.578 182.530 1.072.201
12º YEAR 263.705 9.481 462.298 189.112 1.261.313
13º YEAR 9.621 469.117 459.496 1.720.809
14º YEAR 9.763 476.036 466.274 2.187.083
15º YEAR 159.907 .(1) 483.058 323.151 2.510.234
16º YEAR 10.053 490.183 480.130 2.990.364
17º YEAR 10.201 497.413 487.212 3.477.577
18º YEAR 10.352 504.750 494.398 3.971.975
19º YEAR 10.504 512.195 501.691 4.473.666
20º YEAR 10.659 519.750 509.091 4.982.757
21º YEAR 10.816 527.416 516.600 5.499.357
22º YEAR 10.976 535.196 524.220 6.023.576
23º YEAR 11.138 543.090 531.952 6.555.528
24º YEAR 11.302 551.100 539.798 7.095.327
25º YEAR 11.469 559.229 547.760 7.643.087
(1) Hypothetical fee for an extraordinary reparation the 15th year: 750.000 €
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Study case 2 (II)
Technology Power Type Country kWh/kWp Tariff
Case 2 Thin film 1.000 kW Ground Spain 1350 0.265 €/kWh
INCOMES PER YEAR
385.455 €
INVESTMENT ACCRUED INCOMES
2.970.000 € 7.643.087 €
LOAN I.I.R
2.376.000 € 26,49%
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Study case 3 (I)
Technology Power Type Country kWh/kWp Tariff
Case 3 Crystalline 100 kW Roof Germany 950 0.3723 €/kWh
OUTPUTS INPUTS RESULT
LOAN FEE MAINTENANCE COST WITHOUT INSURANCE INCOMES CASH FLOW ACCRUED
INCOME
-63.800 -63.800
1º YEAR 28.324 978 38.905 9.603 -54.197
2º YEAR 28.324 993 39.479 10.163 -44.034
3º YEAR 28.324 1.007 40.062 10.731 -33.303
4º YEAR 28.324 1.022 40.652 11.307 -21.997
5º YEAR 28.324 1.037 41.252 11.891 -10.106
6º YEAR 28.324 1.052 41.861 12.484 2.379
7º YEAR 28.324 1.068 42.478 13.086 15.465
8º YEAR 28.324 1.084 43.105 13.697 29.162
9º YEAR 28.324 1.100 43.740 14.317 43.479
10º YEAR 28.324 1.116 44.385 14.946 58.424
11º YEAR 28.324 1.132 45.040 15.584 74.008
12º YEAR 28.324 1.149 45.705 16.232 90.240
13º YEAR 1.166 46.379 45.213 135.453
14º YEAR 1.183 47.063 45.880 181.332
15º YEAR 16.201 .(1) 47.757 31.556 212.888
16º YEAR 1.218 48.461 47.243 260.131
17º YEAR 1.236 49.176 47.940 308.071
18º YEAR 1.255 49.901 48.647 356.718
19º YEAR 1.273 50.638 49.364 406.083
20º YEAR 1.292 51.384 50.093 456.175
21º YEAR 1.311 52.142 50.831 507.007
22º YEAR 1.330 52.911 51.581 558.588
23º YEAR 1.350 53.692 52.342 610.930
24º YEAR 1.370 54.484 53.114 664.044
25º YEAR 1.390 55.287 53.898 717.941
(1) Hypothetical fee for an extraordinary reparation on the year 15th: 15.000 €
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Study case 3 (II)
Technology Power Type Country kWh/kWp Tariff
Case 3 Crystalline 100 kW Roof Germany 950 0.3723 €/kWh
INCOMES PER YEAR
37.927 €
INVESTMENT ACCRUED INCOMES
319.000 € 717.941 €
LOAN I.I.R
255.200 € 22,35%
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Study case 4 (I)
Technology Power Type Country kWh/kWp Tariff
Case 4 Crystalline 100 kW Roof Spain 1350 0.295 €/kWh
OUTPUTS INPUTS RESULT
LOAN FEE MAINTENANCE COST WITHOUT INSURANCE INCOMES CASH FLOW ACCRUED
INCOME
-66.000 -66.000
1º YEAR 29.301 1.076 43.808 13.431 -52.569
2º YEAR 29.301 1.092 44.454 14.061 -38.508
3º YEAR 29.301 1.108 45.109 14.701 -23.807
4º YEAR 29.301 1.124 45.775 15.350 -8.458
5º YEAR 29.301 1.141 46.450 16.008 7.551
6º YEAR 29.301 1.158 47.135 16.677 24.227
7º YEAR 29.301 1.175 47.830 17.355 41.582
8º YEAR 29.301 1.192 48.536 18.043 59.625
9º YEAR 29.301 1.210 49.252 18.741 78.366
10º YEAR 29.301 1.228 49.978 19.450 97.816
11º YEAR 29.301 1.246 50.715 20.169 117.985
12º YEAR 29.301 1.264 51.463 20.899 138.884
13º YEAR 1.283 52.222 50.940 189.823
14º YEAR 1.302 52.993 51.691 241.514
15º YEAR 16.321 .(1) 53.774 37.453 278.968
16º YEAR 1.340 54.568 53.227 332.195
17º YEAR 1.360 55.372 54.012 386.207
18º YEAR 1.380 56.189 54.809 441.016
19º YEAR 1.401 57.018 55.617 496.633
20º YEAR 1.421 57.859 56.438 553.070
21º YEAR 1.442 58.712 57.270 610.341
22º YEAR 1.464 59.578 58.115 668.455
23º YEAR 1.485 60.457 58.972 727.427
24º YEAR 1.507 61.349 59.842 787.269
25º YEAR 1.529 62.254 60.725 847.994
(1) Hypothetical fee for an extraordinary reparation on the year 15th: 15.000 €
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Study case 4 (II)
INCOMES PER YEAR
42.731 €
INVESTMENT ACCRUED INCOMES
330.000 € 847.994 €
LOAN I.I.R
264.000 € 26,39%
Technology Power Type Country kWh/kWp Tariff
Case 4 Crystalline 100 kW Roof Spain 1350 0.295 €/kWh
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Study case 5 (I)
Technology Power Type Country kWh/kWp Tariff
Case 5 Crystalline 1.000 kW Suntracker Spain 1890 0.265 €/kWh
OUTPUTS INPUTS RESULT
LOAN FEE MAINTENANCE COST WITHOUT INSURANCE INCOMES CASH FLOW ACCRUED
INCOME
-902.000 -902.000
1º YEAR 400.441 11.219 550.935 139.276 -762.724
2º YEAR 400.441 11.384 559.061 147.237 -615.488
3º YEAR 400.441 11.552 567.307 155.315 -460.173
4º YEAR 400.441 11.722 575.675 163.512 -296.661
5º YEAR 400.441 11.895 584.166 171.830 -124.830
6º YEAR 400.441 12.071 592.783 180.271 55.441
7º YEAR 400.441 12.249 601.526 188.837 244.278
8º YEAR 400.441 12.430 610.399 197.529 441.807
9º YEAR 400.441 12.613 619.402 206.349 648.156
10º YEAR 400.441 12.799 628.539 215.299 863.455
11º YEAR 400.441 12.988 637.809 224.381 1.087.836
12º YEAR 400.441 13.179 647.217 233.597 1.321.434
13º YEAR 13.374 656.764 643.390 1.964.823
14º YEAR 13.571 666.451 652.880 2.617.703
15º YEAR 163.771.(1) 676.281 512.510 3.130.213
16º YEAR 13.974 686.256 672.282 3.802.495
17º YEAR 14.180 696.378 682.198 4.484.693
18º YEAR 14.390 706.650 692.261 5.176.954
19º YEAR 14.602 717.073 702.471 5.879.425
20º YEAR 14.817 727.650 712.833 6.592.258
21º YEAR 15.036 738.383 723.347 7.315.605
22º YEAR 15.257 749.274 734.016 8.049.621
23º YEAR 15.483 760.326 744.843 8.794.465
24º YEAR 15.711 771.541 755.830 9.550.294
25º YEAR 15.943 782.921 766.978 10.317.272
(1) Hypothetical fee for an extraordinary reparation on the year 15th: 150.000 €
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Study case 5 (II)
INCOMES PER YEAR
539.716 €
INVESTMENT ACCRUED INCOMES
4.510.000 € 10.317.272 €
LOAN I.I.R
3.608.000 € 22,69%
Technology Power Type Country kWh/kWp Tariff
Case 5 Crystalline 1.000 kW Suntracker Spain 1890 0.265 €/kWh
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Profitability Analysis
Study conclusions
Case 1 Case 2 Case 3 Case 4 Case 5
Technology Crystalline Thin film Crystalline Crystalline Crystalline
Power 1.000 kW 1.000 kW 100 kW 100 kW 1.000 kW
Type Ground Ground Roof Roof Suntracker
Country Spain Spain Germany Spain Spain
Estimated production 1350 kWh/kWp 1350 kWh/kWp 950 kWh/kWp 1350 kWh/kWp 1890 kWh/kWp
Tariff 0.265 €/kWh 0.265 €/kWh 0.3723 €/kWh 0.295 €/kWh 0.265 €/kWh
INVESTMENT 3.190.000 € 2.970.000 € 319.000 € 330.000 € 4.510.000 €
ACCRUED INCOMES 7.364.683 € 7.643.087 € 717.941 € 847.994 € 10.317.272 €
TIR 23,07% 26,49% 22,35% 26,39% 22,69%
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End of Session 5
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