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Energy glossary - E
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Energy terms defined on this page:
- Economy 7
- Energy calculator
- Energy efficiency
- Energy Performance Certificate (EPC)
- Energy Saving Trust (EST)
- Energy saving light bulbs
- Estimated meter reading
- Exit fee
For a full glossary list click here
An energy tariff with different pricing structures at different times of the day. For seven hours every night (normally from 1am until 8am) your electricity will cost less than the standard daytime rate. See Economy 7.
Our comprehensive energy database is constantly updated, allowing us to calculate the best deal for you based on your personal circumstances and preferences. Use our energy calculator.
Making your home as energy efficient as possible will reduce carbon emissions and could also save you over £300 a year on your fuel bills. Read our complete guide to energy efficiency.
Energy Performance Certificate (EPC)
An EPC is intended to inform potential buyers or tenants about the energy performance of a building, so they can consider energy efficiency as part of their investment or business decision. The current scale is from A-G, with A being the most efficient. See Energy Performance Certificates.
The EST is an independent non-profit organisation, set up and largely funded by the government to manage a number of programmes to improve energy efficiency. Visit www.energysavingtrust.org.uk.
Priced from around £3, energy saving light bulbs typically last 12 times longer than ordinary bulbs, and could potentially save you a staggering £7 per year per bulb. See energy saving light bulbs.
Estimated meter readings are done by energy suppliers when they haven’t got an actual meter reading. You should always try and give your supplier an actual meter reading, rather than let it estimate your usage. By taking regular meter readings, your supplier will bill you more accurately. See meter reading.
Some suppliers’ fixed price tariffs come with exit fees, which charge a penalty if you leave the supplier before the end of the fixed period. Read our guide to energy suppliers' exit charges for more information and advice on how to avoid paying exit fees.
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