Renewable energy

We are one of the largest renewable energy producers in Estonia and the Baltic countries with the most diverse production portfolio. We produce electricity and heat from wind, water, biomass, solar energy and municipal waste – which is burned instead of dumping in landfills. Using renewable energy sources preserves Estonia's environment.

Wind energy

Enefit Green has four wind farms with a total of 44 turbines that produce about 210 GWh of electricity a year. This is enough to supply nearly 85,000 homes with average electricity consumption for an entire year.

The Aulepa wind farm in Läänemaa County has a total capacity of 48 MW and is one of the largest wind farms in the Baltic countries. With 16 wind turbines producing about 80 GWh of electricity a year, this farm can supply the annual electricity needs of about 32,000 households.

The Narva wind farm in Ida-Virumaa County is special in that it was established on the closed ash field of an oil shale power plant and thus no forest or field land was used in its construction. The oil shale ash also provided a stable foundation for the wind farm. Wind energy is produced in Narva wind farm using 17 Enercon turbines with a total capacity of 39 MW.

The Paldiski wind farm on the Pakri Peninsula was completed in 2012 and is the newest of our existing wind farms. Nine General Electric turbines with a total capacity of 22.5 MW generate power at this facility.

Launched in 2002, Virtsu was our first wind energy production site. The Virtsu wind farm is located near the Virtsu Harbour and was the first wind farm in Estonia to meet modern requirements. The farm has two turbines with a total capacity of 1.4 MW.

Wind energy is increasingly useful, but its use is subject to certain limitations. For example, only a certain number of wind turbines can be connected to the power grid. As wind speeds vary, wind farms cannot guarantee a stable supply of electricity and, thus, cannot be counted on as a dispatchable and predictable source of electricity production.

Virtsu wind farm Aulepa wind farm Narva ash field wind farm Paldiski wind farm
Built 2002 2009 2012 2013
Wind turbines 2 16 17 9
Total capacity 1,4 MW 48 MW 39 MW 22,5 MW
Annual average output 3,6 GWh 80 GWh 71 GWh 52 GWh
Meets the annual electricity needs of homes with an average consumption 1500 32 000 28 000 21 000
CO2 not emitted compared to producing the same amount of electricity from oil shale at the Narva power plants 3400 t 75 000 t 67 000 t 49 000t

Solar energy

The use of solar energy is picking up momentum around the world. As of the end of 2016, there were over 300 GW worth of grid-connected solar panels installed globally, capable of supplying 2 percent of the world's electricity needs. The total capacity of solar panels worldwide should exceed 400 GW in 2018. Solar energy is becoming increasingly affordable to consumers, which is why we are developing new solar parks and providing our customers with modern solar energy-based power solutions.

This is a convenient and comprehensive service for business customers, covering the installation, operation, maintenance and financing of the system.

Waste-to-energy

The Iru waste-to-energy unit can produce heat and electricity from up to 250,000 tonnes of mixed-municipal solid waste a year. The large-scale landfilling of mixed-municipal solid waste in Estonia has ended largely owing to the Iru waste-to-energy unit. Nearly 300,000 tonnes of mixed municipal solid waste is generated in Estonia after domestic sorting every year. The calorific value of such waste is equivalent to that of oil shale and wood chips.

The Iru waste-to-energy unit produces up to 310,000 MWh of heat and up to 134,000 MWh of electricity in a year, which roughly corresponds to the electricity consumption of the town of Paide and its surrounding villages. The Iru waste-to-energy unit can also burn chipped-waste tires to obtain energy, thus helping solve a major environmental issue. The unit can process up to 5,000 tonnes of scrap tires a year without any additional environmental impact.

Waste-to-energy unit of the Iru power plant
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Biomass

Enefit Green uses biomass for electricity and heat production in the Paide power plant and in the Valka power plant in Latvia. The biomass used consists of low-grade timber or brush that is unsuitable for the wood and paper industries. Timber industry waste is also used.

Estonia has large biomass reserves. The environmental sustainability of using biomass and ample local reserves makes biomass an important renewable energy resource with a great potential for Estonia.

Paide power plant
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Valka power plant
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Hydropower

Although Estonia has no natural conditions for large-scale hydropower production, it is still quite reasonable to use the resources available. Producing electricity from water is environmentally friendly, as no greenhouse gases are emitted into the air.

Estonia has an estimated theoretical hydropower potential of up to 30 MW, of which 10 MW is realistically usable. The total capacity of about 50 hydroelectric power plants in Estonia is currently approximately 9 megawatts.

Enefit Green produces hydroelectric energy at the Keila-Joa hydroelectric power plant with a capacity of 365 kW.