Fuel mix


Our electricity cocktail

Our company fuel mix is as follows:

Fuel mix chart

From , all our tariffs use 100% renewable energy and 100% green gas.

Using the power of falling water, the sun, the wind, and organic waste material, we provide energy that is 100% renewable.

Not only are our tariffs renewable, but they help to clean up and make use of waste products. Some of our generators even use pig poo, skip waste and used chip fat to make electricity!

Sparkling tariff

Environmental impact

CO2 emissions — NIL

Radioactive waste 0.00000g per kWh

Tap tariff

Environmental impact

CO2 emissions — 190g per kWh

Radioactive waste 0.00000g per kWh

Our Fuel mix

Energy from Waste 6.05%
Anaerobic Digestion 20.42%
Wind 0.34%
Solar 1.47%
Hydro 1.15%
CHP 70.58%

National average

Fuel mix

Coal 17%
Natural Gas 32.3%
Nuclear 23.7%
Renewables 24.3%
Other 2.5%

Environmental impact

Coal 910g of CO2 per kWh
Natural gas 390g of CO2 per kWh
Nuclear 0.00g of CO2 per kWh
Renewables 0.00g of CO2 per kWh
Other 440g of CO2 per kWh
Overall 290g of CO2 per kWh

High Level Radioactive Waste 0.007g per kWh

What about gas?

Our gas is green too! 100%

Gas like electricity is a homogenous product when delivered to consumers but the gas we put into the grid is not. Green gas, or biogas, is sourced from processes like Anaerobic Digestion (AD), where waste that would otherwise leak methane into the atmosphere (methane is 20 times more potent than CO2), is processed into biogas to be used as fuel. All our gas will come with a Green Gas certificate under this independent scheme http://www.greengas.org.uk.


How is it generated?

It’s generated in weird and wonderful ways. It’s fun to sell; that makes us happy.


Harnessing the British weather.

Hydro-electricity means taking the force of free-falling water and converting it into power. Some of our energy comes from small hydro-electric schemes in Scotland, Dorset and Cornwall.

Faichemard Farm

Anaerobic digestion

Finally something useful from what comes out of the back end of a pig.

Anaerobic digestion – a process where microorganisms break down organic material in the absence of any oxygen to produce a methane and carbon dioxide-rich biogas. This can be burnt to produce energy, with none of the harmful effects of fossil fuels. And what's more, the nutrient-rich solids left after digestion can be handily used as a fertiliser!

Gask Farm


Energy from 93 million miles away.

A solar cell (or a 'photovoltaic cell' to you scientists out there) takes the light from the sun and converts it into power. 'Solar thermal systems' take heat from the sun and use it to heat water in our homes.



Love it or hate it we don’t use much of it.

Does what it says on the tin. Our suppliers use the force of the wind to drive turbines, which in turn make electricity.

RES Group


Plants to you and me.

Biomass is produced from organic material – that's wood, plants and animal waste to you and me. We get this either directly from plants, or from waste products from industry, agriculture or your very own home!


Our electricity generators

Safe energy from sound sources.

Gask Farm

Gask Farm

The folks down at Gask farm have finally solved the problem of what to do with their pig manure. Turn it in to electricity! Pig slurry is fed into an anaerobic digester and the gas released is captured and burnt to generate electricity. The fertiliser produced as a by-product is used to feed the crops which are then fed to the pigs the following year. A real circle of life!

Jake's Nursery Tomato Farm

Jakes Nursery

Jakes Nursery is a tomato farm in Sidlesham in Chichester. Since 2007 Jakes have been supplying Green Energy UK with electricity created solely as a by-product of their tomato growing process!

Faichemard Farm

Faichemard Farm

Highlands farmer Duncan Grant is taking advantage of a river running through his family farm by creating electricity from it. He has installed a micro hydro-generator and is selling the electricity to us.

Amazing what comes from the
back end of a pig (or cow)