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District heating and the environment. 1985. TODAY. In 1952, we started out our mission towards an energy system with high efficiency and low environmental impact. In total, our district heating system supplies more than 60% of the heating demand in Göteborg.

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Presentation Transcript
slide4
In 1952, we started out our mission towards an energy system with high efficiency and low environmental impact
  • In total, our district heating system supplies more than 60% of the heating demand
  • in Göteborg
slide7

District Heating

- environmental advantages in three dimensions

  • Local: Improved urban air quality (Particles, SO2, NOx,)
  • Regional: Reduced acidification (SO2, NOx),
  • Global: Reduced emissons of greenhouse gases (CO2)

Reduced consumption of resources

linked environmental impact climate change and resource efficiency
Linked environmental impact - Climate change and resource efficiency …

Our main focus is to reduce environmental impact by using selected sources of energy and increasing efficiency in production, distribution and use

Climate

c change

Resource

efficiency

how much energy do we use
How much energy do we use ?

Use

Transformation

Transports

Purification

Extraction

Primary energy

rya combined heat power plant
Rya Combined Heat & Power Plant
  • Fired by natural gas, and with diesel as reserve fuel
  • Future transfer to gasified biofuel possible
  • Construction began in 2004. The plant was taken over in december 2006
  • Investment amounts to SEK 2 billion
  • Ensures the supply of electricity for important social functions in Göteborg
  • 35 % of Göteborg’s heat requirements are met using district heating from the Rya Combined Heat & Power Plant
  • 30 % of Göteborg’s electricity requirements are met using electricity produced by the Rya Combined Heat & Power Plant
slide15

Technical data for the plant

  • Maximum fuel input 600 MW
  • Electric output 261 MW
  • Heat output 292 MW
  • Total efficiency 92,5 %
  • Operating time 4000 h
  • Electricity prod. 1250 GWh
  • Heat prod. 1450 GWh
  • NOx 10 mg/MJbr
  • Ammonia slip 5 ppm
  • Black start & ”Island mode operation”
green products
Green products
  • District Heating, Good Environmental Choice
  • Approved by Naturskyddsföreningen
our vision a sustainable g teborg is to be reached by
Our vision - a sustainable Göteborg is to be reached by :
  • Use of renewable energy sources
  • Efficiency in production, distribution and use of energy
  • Research & development
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