Current topics

Helen has a record number of customers

FINANCIAL STATEMENT RELEASE 2017 The Helen Group's results were at the projected level, which is slightly higher than in the previous year, and the number of customers increased to well over 400,000.


Environmental impact assessment of the Tattarisuo bioenergy heating plant has been launched

Helen is exploring various options of building new bioenergy heating plants in Helsinki. At this stage, the objective is only to find out whether the Tattarisuo area is suitable for producing heat


Plenty of heat in Helsinki despite sub-zero temperatures

According to weather forecasts, the freezing weather will continue. Helen's district heat production is operating normally, and there is plenty of heat for everyone.


First bioenergy heating plant in Helsinki inaugurated

The Mayor of Helsinki Jan Vapaavuori inaugurated Helen's new bioenergy heating plant in Salmisaari. The plant produces renewable district heat in the largest pellet-fired boiler in Finland.


Helen is planning new bioenergy heating plants

Helen is planning to build new bioenergy heating plants in Helsinki. The planned areas are in Vuosaari, Patola and Tattarisuo. The bioenergy heating plants will replace coal use and ensure sufficient


The world’s first seasonal energy storage facility of its kind is planned for the Kruunuvuorenranta rock caverns

Helen and Skanska are investigating the possibility of building a gigantic seasonal storage facility for heat energy in the old rock caverns located beneath Kruunuvuori in Helsinki. There are


Heka apartment blocks become an active part of the Helsinki energy system

Helen Ltd and Helsingin kaupungin asunnot Oy (Heka), the housing company of the City of Helsinki, are carrying out a significant research and development project on heat demand response.


Finland’s largest rock cavern heat storage planned for Helsinki

Helen is planning to build a new energy storage facility in disused underground oil caverns located deep in the bedrock of Helsinki. The facility will be the largest of its kind in the country. The


See also

Helen Ltd in a nutshell

Our presentation video gives an overview of our operations in less than two minutes.

Financial publications

Our annual report presents our financial and operational key figures and the report on social responsibility. Interim reports describe our operations in the short term.


Helen Ltd is a company owned by the City of Helsinki and part of the Helen Group.


Our strategic targets for 2016–2020 focus on growth, profitability, climate-neutral energy, responsibility and sharing in success.