A 6-month fixed term electricity contract that offers you price stability and encourages you to save electricity. By steering your electricity usage, Smart Electricity Guarantee offers the opportunity to impact on the amount of your electricity bill. Product can be purchased from Jan 1, 2023, onwards until Mar 31, 2023, only from helen.fi (cannot be bought through customer service channels). Electricity distribution can start on Jan 16, 2023, at the earliest.