Our full library of in-depth PowerGuardian energy reports. Enter your email to unlock any report instantly — and get the free Monday UK Energy Savings Briefing.
Featured Report
The UK Household Energy Savings Plan 2026
A free room-by-room plan for cutting household energy waste: how to record your starting baseline, which no-cost, low-cost and higher-investment measures suit your property, and a 30-day household action plan to work through.
UK Energy Supplier Performance Report 2026
Our flagship independent ranking of UK energy suppliers — service quality, value, reliability and complaint handling, all in one report.
UK Energy Market Report 2026
Our flagship annual analysis of where UK energy prices, suppliers and policy are heading through 2026.
Standing Charges Report
A deep dive into the daily fixed fees on every UK bill — regional differences, drivers and the case for reform.
Winter Energy Outlook
What households should expect from prices, demand and supply through the coldest months — and how to prepare.
Solar Savings Report
Real-world payback figures for UK home solar in 2026, including export rates, battery storage and break-even timelines.
How to Check an Energy Bill for Mistakes
A step-by-step UK household guide to checking unit rates, standing charges, meter readings and account credit, with a printable checking worksheet and a supplier complaint template. Information checked 1 August 2026.
The PowerGuardian Home Energy Record
A free printable household workbook for tracking meter readings, consumption, bills and payments, tariff renewal dates, supplier contacts, warranties and solar, battery and EV performance month by month.
Solar Panels and Home Batteries: The Honest Buyer's Guide
A practical buyer's guide for UK households: how solar PV and battery storage actually work, what a system costs, how to compare itemised quotations fairly, the warranty terms that matter and how Smart Export Guarantee payments work.
Best Value Energy Suppliers Report 2026
Which UK suppliers offer the best value right now — ranked on price, tariff fairness and overall cost across typical household usage.
EV Charging Cost Guide UK 2026
The real cost of charging an electric vehicle in the UK — home vs public charging, tariff options and how to cut your cost per mile.
Heat Pump Report 2026
A practical guide to UK heat pumps in 2026 — costs, savings, installation and whether switching from a gas boiler makes financial sense.
Regional Energy Cost Report 2026
How energy costs vary across the 14 licensed electricity distribution regions in Great Britain, operated by six ownership groups — who pays the most, who pays the least and why.
Fixed Tariff Report 2026
An in-depth look at fixed energy tariffs in 2026 — whether locking in your rate is worth it, the best deals available and how to weigh the risks.
Explore the Knowledge Centre
Find related calculators, guides and reports in our Energy Intelligence hub — part of the PowerGuardian Knowledge Centre.
Independent PowerGuardian scores for relevant suppliers.
Octopus Energy
91/100
Octopus continues to lead the UK market on customer service and complaint handling, backed by genuinely competitive smart tariffs and strong financial backing. The clear front-runner on our intelligence dashboard.
The UK's largest supplier remains financially rock-solid but service and complaint metrics continue to lag the market, with smart-meter billing delays a recurring theme.