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 ( et, alevik) in Saku Parish, Harju County, Estonia. As of 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 ...

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

, about from

Tallinn Tallinn () is the most populous and capital city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of 437,811 (as of 2022) and administratively lies in the Harju ' ...

. 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 In a broad sense, an electricity market is a system that facilitates the exchange of electricity-related goods and services. During more than a century of evolution of the electric power industry, the economics of the electricity markets had un ...

. 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 rect 2 243 235 438 Power station rect 276 317 412 556 Transformer rect 412 121 781 400 Electric power transmis ...

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 on ...

. The plant is supplied by

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

and it is based on Wärtsilä 20V34DF engines fuelled by

natural gas Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Low levels of trace gases like carbo ...

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, marine fuel oil (MFO), bun ...

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