Mike Jones is a sustainability consultant, advising businesses on how to become more environmentally aware and efficient.
Four months ago, Mike, 48, and his wife Jacqueline, 43, switched from Southern Electric to Ecotricity to help reduce their house-hold's carbon footprint. About a third of all energy produced by Ecotricity is renewable and it invests money received from customers in building new sources of energy such as wind farms.
The couple, from Stroud, Gloucestershire, signed up to Ecotricity's New Energy Tariff, providing 'green' energy produced from windfarms, topped up with conventional energy bought elsewhere. Because there is a mix of energy, customers signing up to the New Energy Tariff do not pay a 'green' premium.
Ecotricity also has a zero carbon tariff called New Energy Plus, where households buy 100% of green energy. There is a premium of 0.5p per kwh. Fewer than one% of all households are signed up to green energy tariffs but the number is growing. All of the six major energy providers, including British Gas, Powergen and Scottish and Southern Energy, offer 'green' energy tariffs.
Smaller providers include Green Energy UK and Good Energy. Green Energy will also buy green electricity generated by customers through solar panels, bio-mass – such as pig waste – and wind turbines. Just as tariffs differ, so do the credentials of suppliers. The major suppliers may offer green tariffs, but last year British Gas, npower, ScottishPower and EDF Energy all increased their CO2 emissions.
Helen Loveless
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