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Gas and Electricity Guide

Do you want to know more about ROCs (Renewables Obligation Certificates)?  Fair enough.  Energy is one of the biggest household expenses, AND a major contributor to pollution levels.  By taking action on energy efficiency, you’ll not only help prevent climate change, you may also save yourself hundreds of pounds. Gas and Electricity


Energy generated from renewable resources carries a Renewables Obligation Certificate (ROC).  ROCs are the government’s way of monitoring how much renewable electricity is generated in the UK.  By 2010, the government aims to generate 10.4 percent of electricity from renewable resources.  It is hoped that ROCs will help the government reach its target.

ROCs are a market commodity and can be bought and sold independently.  Energy Companies are now being required to generate a minimum of 10% of their electricity output from sustainable sources.  If they have not managed to produce the required amount of green energy, they must buy ROCs on the open market to make up the shortfall.  If they fail to buy the required amount of ROCs, fines can be imposed.

ROCs are good news for renewable energy as they ensure a certain minimum percentage of Green Energy is produced nationally and provide the financial incentive to encourage generators to invest in Renewable Energy Schemes of their own.

•    ROCs: quick things you can do to improve energy efficiency
•    ROCs: long term measures that improve energy efficiency
•    ROCs: switching to a green energy source



ROCs: quick things you can do to improve energy efficiency

ROCs are the government’s way to tackle climate change, but there are a number of simple things you can do to improve the energy efficiency of your home:

•    When you have finished charging your mobile phone, make sure the charger is unplugged or switched off at the wall.
•    Close your curtains at dusk and retain the heat in your home.
•    Don’t leave your electrical appliances such as TVs and DVD players on stand by.
•    Only boil as much water as you need.
•    Ensure thermostats and controllers are correctly set. 18-21°C is the ideal temperature for the living room.

ROCs: long term measures that improve energy efficiency

The following measures will have a great impact on your energy efficiency:

•    Install cavity wall insulation.  It is easy to have fitted and could save you between £130 to £160 per year.
•    Install a condensing boiler.  Replacing an old, wasteful boiler with a condensing boiler may reduce your heating bills by a third.
•    Increase your loft insulation to 270 mm.  Lost insulation is inexpensive and simple – you can do it yourself.  A standard 270 mm layer could save you £180 – £220 per year
•    Choose appliances with an energy saving logo.  One energy recommended appliance could save you £45 per year.

ROCS: switching to a green energy source

You can slash your contribution to climate change in minutes by switching to a green energy tariff.  ROCs are the government’s attempt to encourage the production of renewable energy.  And you can do your bit by switching to a green tariff, which will cut your carbon footprint by 2 tons every year.  And you could save money too.

Switching to a green tariff is simple with  You can compare green tariffs and switch to the one that’s best for you. will look after the entire switching process.  We will ask for some personal information such as your name and address, and then pass these details securely to your chosen provider.  Your new electricity provider will write to you to confirm your switch.

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