Major UK companies have published a report with recommendations to reform the government’s Renewable Energy Guarantees of Origin (REGO) scheme to ensure it supports grid decarbonisation by 2030.

Led by international nonprofit organisation Climate Group, the group consists of BT Group, British Land, Coca-Cola Europacific Partners, EnergyTag, Good Energy, Google, Pearson, Unilever, Unite Students, Vodafone UK and Virgin Media O2.

These signatories have published a report – Unlocking corporate investment in UK renewables – that lays out recommendations to reform the REGO scheme to ensure it more effectively supports the mission of grid decarbonisation.

The REGO scheme was designed to provide transparency to consumers about the proportion of electricity that suppliers source from renewable electricity. It does this by providing REGO certificates to demonstrate electricity has been generated from renewable sources.

The report argues that the REGO market has become increasingly volatile since...