My PowerGuardian

    My PowerGuardian

    Your home energy picture in one place

    Create your free household profile to estimate your annual bill, compare your costs, identify potential savings and receive personalised next steps.

    Estimated annual bill and cost breakdown
    Cheapest suitable suppliers for your home
    Home efficiency score and tailored tips
    Price cap, savings and grant alerts
    • Completely free — no account, registration or payment details needed.
    • Your answers are saved in this browser on this device only. Nothing is stored in an online account, so clearing your browser data or using another device means starting again.

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    Free calculators picked for this topic.

    Should I Switch Energy Supplier?

    Is switching worth it right now? A decision framework using the current cap and fixed-deal evidence.

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    Rip-Off Detector

    See if your current tariff is over the odds in 30 seconds.

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    Energy Bill Calculator

    Enter your kWh usage, unit rate and standing charge for daily, monthly and annual totals.

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    Compare Energy Suppliers

    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.

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    So Energy

    79/100

    Backed by ESB, So Energy combines competitive fixed tariffs with consistently strong service scores. A solid mid-market performer.

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    British Gas

    55/100

    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.

    Compare Supplier

    Frequently Asked Questions

    Quick answers to the questions people ask most about this topic.

    Free Expert Report

    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.

    Save This Advice

    Create your free personalised dashboard to keep track of useful guides, calculators and savings opportunities.

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