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Story summary
- Octopus Energy guarantees Clare Naylor’s Milton Keynes home will have no energy bills for five years.
- The 1980s house received a heat pump, 17 solar panels, a battery and had its gas boiler removed.
- A fair-usage cap limits consumption.
- Staying within the cap avoids charges for heating, lighting and appliances.
- The retrofit cost just under £20,000.