Energy newsSmart meters explained

By 2020 we'll all have a smart meter, so read our guide to understand what they are, how they work and how a smart meter could save you money.

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Fair Energy Prices Campaign

Do you think you pay a fair price for your energy? If in doubt, sign our petition


What is RSS?

Find best buy energy saving appliances

What's new

Which? guideFind the best energy deal

March Energy deals

We've rounded up the latest and cheapest energy deals so you can save money on your energy bills.

Which? guideSmart thermostats

Migenie smart thermostat

We've taken a look at the new miGenie smart theremostat to see whether it's easy to use and worth spending £160 on.

Which? first lookWater-saving shower heads

Water saving shower heads

We've taken a look at water-saving shower heads so you can find one that's worth the money and does what it's indeded for.

Essentials & tips


Avoid a boiler that will burn your money

We've spoken to hundreds of boiler owners and heating engineers so we can bring you reviews of the biggest boiler brands.

Light bulbs

Get value for money with a Best Buy light bulb

We've tested cheap and expensive light bulbs so that we can tell you which are the best value light bulbs.

Solar panels

Discover the best solar panel brands

We reveal the best, and worst, PV solar panel brands based on unique analysis of solar panel factories.