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The impact of global warming and building renovation measures on district heating system techno‐economic parameters
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Page 1: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

The impact of global warming and building renovation measures on district heating system techno‐economic 

parameters

Page 2: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Content

• Introduction• Methodology• Case study• Results• Conclusions• Further developments

3rd international conference on SMART ENERGY SYSTEMS AND 4TH GENERATION DISTRICT HEATINGCopenhagen, 12‐13 September 2017www.4dh.eu www.reinvestproject.eu www.heatroadmap.eu

Page 3: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Research motivation

DHS for sustainableurban environment

Significant infrastructure  Significant investment costs

Climate change

Increased temperaturelevels

Building renovation

Decreased heat demand

Page 4: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Study scope

Climate change

Techno‐economic parameters

Linear heat density Heat production mix CO2 emission levels Heat sales Heat price

Page 5: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Methodology outline

Reference weather data

AOGCM output files

Historical  weather data

CCWorldWeatherGEN Weather Scenarios

Reference building data

Google maps

Municipality data

LiDAR

Building renovation scenarios

Renovation depth

Renovation level

Building selection criteria

Heat demand model

District heat demand profile

Techno‐economic parameters

Techno‐economic model

The impact of climate change on district heating 

systems

Page 6: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Heat demand model

Page 7: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Techno‐economic modelHeat demand 

profile

Techno‐economic model

Energy production mix

Technical data Economic data

CO2 emission levels Linear heat density CAPEX OPEX

Heat price

Page 8: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Weather scenarios

Reference weather data

HadCM3 output files

Historical  weather data

CCWorldWeatherGEN

Weather Scenarios

Typical Meteorological 

Year

Page 9: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Building renovation scenarios

Source: International Energy Agency

Page 10: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Case study district

Existing network(only OPEX)

Planned network(CAPEX+OPEX)

Two case scenarios for heat prices:

Network length:4831m

Base load unit: 75%, biomassPeak load unit: 25%, nat. gas

Page 11: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Linear heat demand and heat density

Page 12: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Heat production, sales and losses

18%

3%p

Page 13: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Heat production mix and emissions

Page 14: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Heat prices & integration of solar panels

Heat price [€/MWh]Scenario/Year 2010 2010‐2030Existing DHN 47 49New DHN 66 76

Year/Scenario

Annualdistrict heatdemand[GWh]

Annual solar thermal collectors 

heat production [GWh]

Number of hours with space (SH)

[h]

Number of hours when solar thermal collectors do not satisfy 

heat demand (SH+DHW)

[h]

Number of hours when solar thermal collectors 

exceed heatdemand(SH+DHW)

[h]2010 35.56 0 5654 0 02020 16.88 48.85 5219 5221 35392030 13.21 49.21 4626 5066 36952040 10.45 49.56 3204 4956 38042050 9.40 49.91 1438 4887 3873

The impact on heat prices

Integration of solar thermal panels

Page 15: The impact of global warming and building …...Study scope Climate change Techno‐economic parameters Linear heat density Heat production mix CO2 emission levels Heat sales Heat

Conclusions

Decrease in linear heat demand density

Increase in heat losses Impact on heat production mix

Increase in emissions Heat price increase Heat storageintegration

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Further developments

Improvement of the techno‐economic model

Validation of the RC model with the measured data

Integration with other software packages

Integration of cooling demand calculations 

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ReferencesJournal publications

Andric, I., Jamali‐Zghal, N., Santarelli, M., Lacarrière, B., Le Corre, O., 2014.“Environmental performance assessment of retrofitting existing coal fired power plants to co‐firing with biomass: carbon footprint and emergy approach”, Journal of Cleaner Production, 103, p13‐27. DOI: https://doi.org/10.1016/j.jclepro.2014.08.019;

Andric, I., Gomes, N., Pina, A., Ferrão, P., Fournier, J., Lacarrière, B., Le Corre, O., 2016. “Modeling the long‐term effect of climate change on building heat demand: case study on a district level. Energy and Buildings, 126, p77‐93. DOI: https://doi.org/10.1016/j.enbuild.2016.04.082;

Andric, I., Pina, A., Ferrão, P., Lacarrière, B., Le Corre, O., 2017. “Environmental performance of district heating systems in urban environment: an emergy approach”, Journal of Cleaner Production, 142, Part 1, p109‐120. DOI: https://doi.org/10.1016/j.jclepro.2016.05.124;

Andric, I., Pina, A., Ferrão, P., Lacarrière, B., Le Corre, O., 2017. “The impact of climate change on building heat demand in different climate types”, Energy and Buildings, 149, p225‐234. DOI: https://doi.org/10.1016/j.enbuild.2017.05.047;

Andric, I., Pina, A., Ferrão, P., Lacarrière, B., Le Corre, O., 2017. “The impact of renovation measures on building lifecycle: an emergy approach”, Journal of Cleaner Production, 162, p776‐790. DOI: https://doi.org/10.1016/j.jclepro.2017.06.053;

Andric, I., Pina, A., Ferrão, P., Lacarrière, B., Le Corre, O., 2017 “Assessing the feasibility of using the heat demand‐outdoor temperature function for a long‐term district heat demand forecast”. Elsevier Energy Procedia, 116c, p462‐471. DOI: https://doi.org/10.1016/j.egypro.2017.05.093;

Conference publications

Andric, I., Darakdjian, Q., Ferrão, P., Fournier, J., Lacarrière, B., Le Corre, O., 2014. “The impact of global warming on district heating demand: The case of St Félix”. 14th International symposium on district heating and cooling, Stockholm, 7‐10th September 2014;

Andric, I., Pina, A., Silva, C., Ferrão, P., Fournier, J., Lacarrière, B., Le Corre, O. “The impact of climate change and building renovation on heating related CO2 emissions on a neighborhood level”. CISBAT15 international conference, Lausanne, 9th‐11th September 2015;

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Thank you for your attention!

Questions? Comments?

[email protected]@imt‐[email protected]@gmail.com


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