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Customer service for businesses

Our customer service is open on Monday-Thursday 8-18, Friday 8-17 and Saturday 10-15.

  info@hehkuenergia.fi
  09 6898 8780

Special opening hours

Frequently asked

Electricity contracts for businesses

How do I make an electricity contract for my business?
My business's energy consumption is large, can I get a custom quote?
Where can I find my company’s invoice archive?
How do I activate e-invoicing?

How large is your business's energy consumption?

Small consumption

If your business's energy consumption is less than 150 000 kWh per year, you can make an electricity conract online.

Compare contracts

Large consumption

If your business's energy consumption is more than 150 000 kWh per year, please contact us for a custom quote.

Get a quote

Special opening hours for customer service

Summer 2026 Special Opening Hours:

June 22 – August 2: Customer service open Mon–Fri, 8:00 a.m. – 4:00 p.m. Starting in August, customer service will be open on weekdays Mon-Thu from 8 a.m. to 6 p.m and Fri from 8 a.m. to 5 p.m

Other special opening hours:

2026 Public Holiday Customer service     
23.12.   8–14
24.12. Christmas Eve Closed
25.12. Christmas Day Closed 
1.1.27 New Year's Day Closed