Rauhalahti power station is a combined

Cogeneration

Cogeneration is the use of a heat engine or a power station to simultaneously generate both electricity and useful heat....

 heat and power

Electricity

Electricity is a general term encompassing a variety of phenomena resulting from the presence and flow of electric charge. These include many easily recognizable phenomena, such as lightning, static electricity, and the flow of electrical current in an electrical wire...

 station built in 1986 in Jyväskylä

Jyväskylä

Jyväskylä is the capital of Central Finland and the largest city on the Finnish Lakeland, north-east of Tampere and north of Helsinki, on northern coast of lake Päijänne. The city has been continuously one of the most rapidly growing cities in Finland since World War II. The city is surrounded...

, Finland

Finland

Finland , officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden in the west, Norway in the north and Russia in the east, while Estonia lies to its south across the Gulf of Finland.Around 5.4 million people reside...

. It is the main provider of district heat in Jyväskylä and it produces the steam used by Kangas Paper Mill. The construction cost of the plant was 84 million euros.

The plant is operated by Jyväskylän Energiantuotanto, which is owned by Jyväskylän Energia. Fortum

Fortum

Fortum Oyj is a Finnish publicly listed energy company, which focuses on the Nordic and Baltic countries, Poland and the north-west of Russia. After acquisition of Russian energy company TGC-10 in year 2008, Western Siberia has become an important operating area for Fortum. The head of the company...

 owned 60 per cent of the company but Jyväskylän Energia bought the share for 40 million euros.

Power station's main sources of energy are firewood

Firewood

Firewood is any wood-like material that is gathered and used for fuel. Generally, firewood is not highly processed and is in some sort of recognizable log or branch form....

 and peat

Peat

Peat is an accumulation of partially decayed vegetation matter or histosol. Peat forms in wetland bogs, moors, muskegs, pocosins, mires, and peat swamp forests. Peat is harvested as an important source of fuel in certain parts of the world...

; use of coal

Coal

Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers or veins called coal beds or coal seams. The harder forms, such as anthracite coal, can be regarded as metamorphic rock because of later exposure to elevated temperature and pressure...

 is rare.. The peat is mainly provided by Vapo, while the firewood is provided by sawmill

Sawmill

A sawmill is a facility where logs are cut into boards.-Sawmill process:A sawmill's basic operation is much like those of hundreds of years ago; a log enters on one end and dimensional lumber exits on the other end....

s in Central Finland

Central Finland

Central Finland is a region in Finland. It borders to the regions Päijänne Tavastia, Pirkanmaa, Southern Ostrobothnia, Central Ostrobothnia, Northern Ostrobothnia, Northern Savonia and Southern Savonia....

 and nearby wood-processing industry.

Boiler	Year of Completion	District heat	Steam	Electricity	Total
Main boiler	1986	140 MW Watt The watt is a derived unit of power in the International System of Units , named after the Scottish engineer James Watt . The unit, defined as one joule per second, measures the rate of energy conversion.-Definition:...	40 MW	87 MW	267 MW
2-boiler	1992		65 MW		65 MW
District heat boiler	2004	40 MW			40 MW
Total		180 MW	105 MW	87 MW	372 MW