The Kiisa Power Plant is an emergency reserve power plant, based on the engine power plant technology, located in

Kiisa Kiisa is a small town () in Saku Parish, Harju County, Estonia. As of the 2011 census, the settlement had a population of 713. It has a railway station on the Tallinn - Viljandi railway line operated by Elron (rail transit) AS Eesti Liiniro ...

Estonia Estonia, officially the Republic of Estonia, is a country in Northern Europe. It is bordered to the north by the Gulf of Finland across from Finland, to the west by the Baltic Sea across from Sweden, to the south by Latvia, and to the east by Ru ...

, about from

Tallinn Tallinn is the capital city, capital and List of cities in Estonia, most populous city of Estonia. Situated on a Tallinn Bay, bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of (as of 2025) and ...

. As an emergency plant, it operates only in the case of a network failure or capacity shortfall, and it does not participate in the everyday

electricity market An electricity market is a system that enables the exchange of electrical energy, through an electrical grid. Historically, electricity has been primarily sold by companies that operate electric generators, and purchased by consumers or electr ...

. The power plant is owned and operated by the Estonian

transmission system operator File:Electricity grid simple- North America.svg, 380px, Simplified diagram of AC electricity grid from generation stations to consumers in North America rect 2 243 235 438 Power station rect 276 317 412 556 Transformer rect 412 121 781 400 Elect ...

Elering Elering AS (former name: OÜ Põhivõrk) is a national transmission system operator for electricity and natural gas with headquarters in Tallinn, Estonia. The managing director of Elering is Taavi Veskimägi. History Elering was established ...

. The plant is supplied by

Wärtsilä Wärtsilä Oyj Abp (), trading internationally as Wärtsilä Corporation, is a Finnish corporation, Finnish company which manufactures and services power sources and other equipment in the Marine propulsion, marine and energy markets. The core ...

and it is based on Wärtsilä 20V34DF engines fuelled by

natural gas Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium ...

as a primary fuel and

light fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil (bunker fuel), marine fuel ...

as a back-up fuel. It consist of two generation units with capacity of 110 MW and 140 MW accordingly. Each of units is a set of 10-MW generators. Construction started in 2011 and the first unit was commissioned in January 2014 and the second unit was commissioned in July 2014.Emergency Reserve Power Plants (ERPP I and ERPP II), Elering, Kiisa, Estonia
Retrieved 2016-03-01. Its total capacity 250 MW is equal to one sixth of the maximum consumption of Estonia. The power plant is located next to the Kiisa 110/330 kV substation, which is connected to the Estonia's main transmission lines. As an emergency reserve power plant, it should reach full output within 10 minutes. It will be fully automatic without permanent personnel on site. The plant is connected with the natural gas grid. In addition, it has an oil terminal with tanks' capacity up to of diesel.
Satellite picture

References

{{Reflist Natural-gas fired power stations in Estonia Oil-fired power stations in Estonia Saku Parish Buildings and structures in Harju County Proposed natural gas-fired power stations

See also

References