ScottishPower has set up a £1 million customer compensation fund after regulator Ofgem fined the firm over misselling.
Customers who believe they may have been missold to can either complete an online form here, or call the dedicated phone number on 0845 030 3048.
ScottishPower will deliver the remaining £7.5 million through payments to customers identified under the Warm Home Discount Scheme.
For more information on the Warm Home Discount Scheme, ScottishPower customers can call 0845 030 3041.
More top news
163,000 French and 143,000 German soldiers were killed in the 10-month battle in 1916.
As many as 700 migrants have been died after three consecutive days of shipwrecks off the coast of Libya, the UN Refugee Agency has said.
The fire broke out on Sunday morning at the home for 35 residents in Litochki, a village 25 miles north of Kiev.