U.K. Regulator Says Four Power Suppliers Broke Green Rules

Britain’s power market regulator said four energy suppliers haven’t paid fees required of them to support renewables, resulting in a shortage of 59 million pounds ($75 million) in a fund created for that purpose.

The Office of Gas and Electricity Markets said it’s investigating Economy Energy, Spark Energy, URE Energy and Eversmart over outstanding payments to its buy-out fund. The action was announced in a statement on Nov. 21.

The fund is one of two options for utilities in the U.K. to follow rules requiring companies to increase the volume of renewable energy they use. Companies can either pay into ...