Major supermarkets, shops, hospitals, government departments and councils have been ranked according to what they have done to measure energy use.
A scheme which offers guaranteed cash payments to households which produce solar electricity could be cut.
Despite huge price rises last winter, an OFT investigation into off-grid energy has today ruled that competition in the heating oil and LPG market works well.
Householders behaviour is key in performance of solar hot water systems.
Grants are now available for householders to install 'green' heating technologies like heat pumps, biomass boilers and solar thermal panels.
We unearth the eco products that we think aren't worth buying and give you great alternatives to save energy, water and money
Eon is today launching a new online gas and electricity tariff that it guarantees will remain at least 2% cheaper than its standard tariff.
Solar panel companies are using dodgy sales tactics and giving poor advice to people looking to buy solar PV panels, shows a Which? undercover investigation.
Around half of British homes still lack proper insulation, throwing away at least £100 a year in wasted energy bill costs, according to new government figures.
Eon has unveiled the latest incarnation of it's GoGreen gas and electricity tariff, which carbon offsets the energy used and also offers Tesco Clubcard points.