District heating year
2 Market share of space heating Residential, commercial and public buildings
Temperature corrected district heat demand, TWh
District heat demand
District heat production ,0 TWh Cogenerated electricity 11,8 TWh
District heat production and the share of cogenerated heat
Fuel consumption in production of district heat and CHP fuel consumption 52,0 TWh Renewables 33 % Carbon dioxide free 36 % Domestic 56 %
Fuel consumption in production of district heat and CHP
Domestic renewable energy sources in production of district heat and CHP
Sources: Statistics Finland ( ) Finnish Energy Industries ( , 2015) Specific carbon dioxide emissions from district heat production
District cooling – delivered energy and connected heat load
The future of the district heating sector
Demand and market share of district heat Market share of district heat 45% Demand for district heat 36 TWh (temperature-corrected demand) 2025 Market share of district heat in new construction 2011– –75% Demand for district heat 40–42 TWh Source: Tehokas CHP, kaukolämpö ja ‒ jäähdytys Suomessa 2010–2025, VTT
Production of district heat, CHP 2010–2025 New heat capacity 1,500 MW –of which CHP heat 0–1,000 MW (CHP electricity 0–500 MW) –new heat capacity 500 MW, the rest is substitutive If the max. number of CHP plants is realised –Additional heat production 4 TWh, electricity 2 TWh –Savings in primary energy 14 ‒ 27% (note! part of the additional production will substitute old CHP production) Source: Tehokas CHP, kaukolämpö ja –jäähdytys Suomessa 2010 – 2025, VTT
Building stock Detached houses Terraced houses Apartment buildings Office and public buildings Industrial buildingsTotal Urbanised municipalities 51%67%90%72%65%68% Densely populated municipalities 24%17%7%14%19%16% Rural municipalities 25%16%3%14%15%16% Source: Tehokas CHP, kaukolämpö ja –jäähdytys Suomessa 2010–2025, VTT
Share of district heat in the floor area of buildings according to area density in built-up areas covered by town plan
Scenario of the need for cooling energy (the BAU scenario) Source: Rakennusten jäähdytysmarkkinat, VTT demand for cooling 1,400 GWh market share of district cooling 10% 2025 demand for cooling 1,700 GWh market share of district cooling 25% 17