Vattenfall to build Europe’s largest E-boiler in Amsterdam

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Vattenfall has been granted permit and Dutch SDE++ subsidy to build a
150 MW “Power-to-Heat” E-boiler at the company’s heat and power plant Diemen in Amsterdam. The final investment decision is scheduled for mid-2022, after the recently initiated tender has been completed. The E-boiler is believed to be the largest in Europe and can be put into use in 2024.

“We are very glad to have been awarded both the permit and the SDE++ subsidy for building a large
150 MW E-boiler at Diemen. Vattenfall wants to supply 100% sustainable heat in the Amsterdam region by 2040. In addition to E-boilers, Vattenfall is therefore also working on a number of other sustainable heat sources, such as biomass, geothermal, data center heating and aqua thermal heat,” says Ulrika Jardfelt, head of Business Area Heat at Vattenfall.

The Dutch SDE++ scheme provides subsidies for the use of techniques for the generation of renewable energy and other CO2-reducing techniques. SDE++ subsidies are awarded over a period of 12 or 15 years, depending on technology. The E-boiler is similar to a 'kettle': the installation converts electricity into hot water, which can be supplied to households and companies or that can be stored in the already present heat buffer, a large 'thermal flask'

“The E-boiler only switches on if the electricity mix is sustainable with a lot of electricity from solar and wind. When there is insufficient green energy, the gas-fired power plants in Diemen are still needed to produce electricity – power plants that also supply heat very efficiently. We expect that these gas-fired plants will remain necessary in the coming decades for security of supply in the Netherlands; first on natural gas, but later hydrogen from renewable sources,” says Alexander van Ofwegen, Director of Heat Vattenfall Netherlands.

With the current expected deployment of the E-boiler, Vattenfall initially expects to be able to supply approximately 15% of the heat in the Amsterdam region with renewable wind and solar electricity. However, the number of hours that the E-boiler can run will increase in the coming years, given the growth in the number of wind and solar farms in the Netherlands. In 2019, Vattenfall commissioned a 120 MW e-boiler in Berlin which so far is the largest within the company.


More information about the E-boiler can be found online

2019: Vattenfall inaugurates Europe’s largest water boiler for heat storage in Berlin

For further information:
Vattenfall Press Office +46 (0)8 739 5010,