Everything you need to know about smart meters, estimated bills, real-time energy usage, Economy 7 tariffs, smart tariffs and potential savings.
Jump straight into the tools that turn meter data into savings.
See how much a smart meter could help you save.
Estimate savingsWork out your full annual bill from your usage.
Calculate billFind which appliances cost the most to run.
Check appliancesCompare a standard tariff against day/night rates.
Compare tariffsGet a free score and personalised tips.
Get my scoreEstimate yearly savings from solar and export.
Estimate solarSee if switching could cut your bills.
Check nowCompare UK suppliers on price and service.
Compare suppliersFive steps from understanding your usage to cutting your bills.
A smart meter shows exactly what you use, in real time.
Smart Meter EstimatorSpot the appliances quietly draining your wallet.
Appliance CostsCheck whether Economy 7 or a smart tariff suits you.
Economy 7 CalculatorSee how suppliers stack up on price and service.
Supplier MonitorLock in lower bills with practical efficiency wins.
Efficiency ScoreAnswer four quick questions to see whether a smart meter is worth it for your household.
Do you currently receive estimated bills?
Do you know your annual electricity usage?
Would seeing live energy usage change your behaviour?
Do you use Economy 7, EV charging, solar panels or battery storage?
Expand any topic — each section links to the tools and guides that help.
Turn meter readings into an accurate annual cost.
Identify the appliances driving your usage.
Test day/night tariffs against your pattern.
Estimate generation, self-use and export.
Find where your home wastes energy.
See if a better tariff is waiting.
How day/night tariffs work and who they suit.
Read guideDecode every line on your statement.
Read guideWhat a typical household actually pays.
Read guideThe daily charge you pay before any usage.
Read guideInteractive hub of practical ways to cut bills.
Read guideIndependently picked kit that moves the needle.
Read guideReceive practical energy-saving advice, supplier updates and tariff insights — join the Monday UK Energy Savings Briefing.
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