Innsbruck

Innsbruck (Austria, 120,000 inhabitants) defined its 2025 Energy Plan back in 2009. In this context, and as part of SINFONIA, the city has selected its eastern district to demonstrate the large scale implementation of energy efficient measures, with the objective of achieving on average 40 – 50% primary energy savings in the demo sites and to increase at least by 30% the share of renewables in the district’s energy mix

BUILDING REFURBISHMENT

 

66,000m² of residential and public buildings from the 30s-80s will be retrofitted to dramatically improve indoor quality and energy performance, and reduce final energy demand by up to 80%. Measures include:

 

 

  • Improved envelope (insulation, windows, thermal bridges,etc.);
  • Ventilation system with high efficiency heat recovery;
  • Integration of renewable energy sources on-site (PV, solarthermal, heatpumps).

 

 

 

 

DISTRICT HEATING & COOLING

 

The district heating network will be extended and optimised to increase the use of renewable energy sources by 95% and reduce the use of fossil fuel by 22%. Measures include:

 

 

  • Deployment of a low temperature grid;
  • Recovery of heat/cold from local industries, wastewater and geothermal heat from the Brenner tunnel;
  • Integration of solar energy and innovative biomass gasification.

 

 

 

 

ELECTRICITY GRID

 

Smart grids and smart home applications will combine demand and supply side measures to reduce the overall electricity demand by 3%. Buildings will be transformed to Smart Urban Model (SUM) houses. Measures include:

 

  • Smart load control for refrigerators, water boilers and heat pumps;
  • Establishment of new ESCOs;
  • Involvement of customers.

 

 

 

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