Cut your energy costs with clearer bills, better tariffs and smarter home upgrades.
Your go-to resource for everything energy bills. Understand your tariffs and charges, find practical ways to cut your costs, and explore greener options like solar, heat pumps, and EVs.
Find the right place to start
Energy bills are shaped by more than just how much energy you use. Your tariff, standing charges, direct debit, supplier, meter readings and home setup can all affect what you pay.
Understand your energy bill and costs
Before switching tariffs or investing in new technology, make sure you understand what is driving your current costs.
A line-by-line guide to what your bill actually means.
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Practical ways to cut what you pay, from quick wins to bigger changes.
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Find the main reasons your costs may have increased.
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Check for billing mistakes, estimated readings and account issues.
Read guide →Check if you’re on the right tariff
Once you understand your energy bills, the next step is finding a tariff that fits how your household actually uses energy.
For people deciding between fixed and variable deals.
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For people unsure whether moving supplier is worth it.
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A comparison-style guide for broader supplier choice.
Read guide →A full look at the Octopus tariff line-up and how to pick the right one.
Read guide →Explore smarter ways to cut long-term energy costs
Some savings come from using less. Others come from changing how your home is powered, heated or charged.
Find out whether solar is worth it, how much panels cost, how payback works and how to get paid for exported electricity.
Solar guides →
Check whether your home is suitable, what installation involves, how much heat pumps cost and how to run one efficiently.
Heat pump guides →
Understand EV tariffs, home charging costs and how to reduce the cost of charging your car at home.
EV guides →Save On Energy Bills blog
Our most recent guides and updates on energy bills, tariffs, solar, heat pumps and EV charging.
