Plans mark next step of investigation into greenwashing in retail energy sector announced by the government last year
Google, Microsoft, Vattenfall, PwC, Stakraft, and Engie among 100 firms backing initiative to develop hourly system for renewable power certification
Around half of BT's total annual UK power consumption to be supplied via renewable energy certificates from French oil and gas giant
Strong growth in corporate demand for renewable energy backed by European certificates of origin outpaced supply in 2019, data shows
Energy supplier takes aim at 'greenwashing' utilities which purchase renewable energy certificates rather than investing in renewables