Renewable electricity can be the same price if not cheaper than fossil fuel.
Try going direct to the energy companies that produce their own renewable energy for the best deals. Consider choosing a supply that provides electricity from ‘Natural’ renewable sources – predominantly Wind and Solar.
You should also take steps to reduce your energy use. For more info HERE
Step 1 – Establish how many meters you are responsible for and note the meter number
Step 2 – Gain a years worth of bills for each
Step 3 – Use a comparison site to gain quotes for 100% renewable electricity