You may want to consider suppliers’ overall fuel mix when looking for a 100% renewables tariff. If avoiding suppliers with fossil fuels or nuclear power is important to you to, check the chart below.
The data, from our sister site Electricity Info, is the most recent Fuel Mix Declaration which could be found for each supplier.
Fuel Mix Declarations might not reflect the current supply mix as they are made each October for the year up to the preceding March. And newer entrants will not be listed if they have not published a Fuel Mix Disclosure yet.