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Responsible for the service Energy Authority

Cost-benefit analysis and notification under the Energy Efficiency Act

  • Permit or other obligation
  • Nationwide
  • Public service

The operator shall carry out a cost-benefit analysis of the construction of combined production of heat and power and the utilisation of industrial surplus heat when planning the construction or renewal of an installation or network with a total power exceeding 20 MW. Minimum requirements exist for the content of the analysis and a notification must be submitted to the Energy Authority.

The cost-benefit analysis examines the benefits and costs of an operator's project during the planning phase of the project using methods generally used in the planning of investments and the assessment of profitability. The objective of the obligation is to promote combined production of heat and power and the utilisation of industrial surplus heat.

Do the following

Check whether you are under the obligation. Prepare a cost-benefit analysis.

Submit the notification and attach the operator's extract from the trade register by e-mail to the Registry of the Energy Authority.

The notification shall contain:

  1. Name and address of the company (operator) and name, telephone number and e-mail address of a contact person
  2. Business ID
  3. Location of the project in question
  4. Key information on the cost-benefit analysis and the justified implementation choice
  5. Information on the intention to implement the power plant as a cogeneration plant or to use industrial surplus heat and justification if not implemented
  6. Project implementation date

For more information, see the Energy Authority website.

To whom and on what terms

The obligation to carry out a cost-benefit analysis applies to installations with a fuel efficiency exceeding 20 MW and to situations where the operator is planning:

  • construction or significant renewal of a condensate plant
  • construction or significant renewal of an industrial plant
  • construction of a district heating and cooling network or connection of a new energy production plant to a district heating or cooling network

The reform is considered significant when its costs exceed 50% of the investment cost of a new corresponding plant.

The service is free of charge.


The notification must be made before the construction or renovation work is started.

Basic information

The service is provided byEnergy Authority
Responsible for the serviceEnergy Authority
Area Whole Finland
Available languagesFinnish, Swedish
Text edited by: Energy Authority
Updated: 18/2/2021