As of 13 August 2026, AI can reduce your energy bill.

What to actually do

1. Hand it to a person

   The route this page recommends

   A person who owns the outcome does this end to end, worth it when the failure is dear.

2. Use a tool built for this

   Second choice

3. Do it yourself

   The distant third

   A chat interface, chat-fluent skill, and roughly 30 minutes until you can act on the result.

   How to actually do it

   1. Open your latest energy bill and gather the tariff name, unit rates, standing charges, billing dates, total, payment method, meter readings and any exit fee.
   2. Collect recent bills or meter readings covering a comparable period, and note how many people live in the property, how it is heated and when it is usually occupied.
   3. Paste those details into the prompt, adding your priorities such as avoiding a contract, keeping payments predictable or accepting a smart meter.
   4. Ask the model to separate behaviour changes from tariff or supplier actions and from changes that require buying equipment.
   5. Compare every calculation with the figures on your bills and check any current tariff, eligibility, exit fee or supplier policy directly with your supplier or an official UK source.
   6. Contact your supplier with the drafted questions, confirm the written terms and charges, then carry out only the changes whose costs and conditions you have checked.

   Prompt

   Help me reduce my UK household energy bill. Use only the information I provide and clearly label anything that needs checking with my supplier or an official UK source. Do not invent prices, tariff terms, savings, meter readings or eligibility rules.
   
   My current bill and tariff details:
   [PASTE THE BILL OR TYPE THE SUPPLIER, TARIFF NAME, UNIT RATES, STANDING CHARGES, BILLING PERIOD, TOTAL, PAYMENT METHOD AND ANY EXIT FEE]
   
   My recent meter readings and dates:
   [PASTE THEM]
   
   My household and property:
   [NUMBER OF PEOPLE, PROPERTY TYPE, HEATING TYPE, WHETHER I USE ELECTRICITY FOR HEATING OR HOT WATER, AND ANY RELEVANT OCCUPANCY PATTERN]
   
   My priorities and constraints:
   [FOR EXAMPLE, KEEP MONTHLY PAYMENTS PREDICTABLE, AVOID A CONTRACT, OR ACCEPT A SMART METER]
   
   Give me:
   1. A check of the bill arithmetic and a plain explanation of the tariff.
   2. A list of possible ways to reduce the bill, separated into no-cost behaviour changes, supplier or tariff actions, and changes needing equipment or spending.
   3. For each action, state the information needed to judge it, what I should check, and whether it could increase costs or affect comfort.
   4. A short list of questions to ask my supplier.
   5. A simple action plan ordered by likely usefulness and ease, without claiming a saving unless it follows directly from the figures I supplied.
   6. A final section titled 'Cannot be concluded from the information supplied' listing every important missing fact.
   Do not tell me to switch supplier unless I compare the recommendation myself with current terms from the supplier or an official UK source.

   Open it prefilled in ChatGPT or Claude, or copy it into Gemini, which takes no prefill link.