District heating and the environment
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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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District heating and the environment

District heating and the environment


District heating and the environment

1985


Today

TODAY


District heating and the environment

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


District heating and the environment

Heat load of principle for the district heating net in Gothenburg


District heating and the environment

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


Increased district heat production with reduced emissions

Increased district heat production with reduced emissions


How much energy do we use

How much energy do we use ?

Use

Transformation

Transports

Purification

Extraction

Primary energy


Rya combined heat power plant the energy plant of the future

Rya Combined Heat & Power Plant – the energy plant of the future


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


District heating and the environment

Technical data for the plant

  • Maximum fuel input600 MW

  • Electric output261 MW

  • Heat output292 MW

  • Total efficiency 92,5 %

  • Operating time4000 h

  • Electricity prod.1250 GWh

  • Heat prod. 1450 GWh

  • NOx10 mg/MJbr

  • Ammonia slip5 ppm

  • Black start & ”Island mode operation”


Green products

Green products

  • District Heating, Good Environmental Choice

  • Approved by Naturskyddsföreningen


A sustainable g teborg society

A sustainable Göteborg Society


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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