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UK grid electricity makes mining barely profitable. But renewable energy can slash your costs to £0.12/kWh or less — making UK mining viable and sustainable. Here's how.
Why Green Mining?
- ESG compliance: Growing requirements for sustainable operations
- Lower costs: Solar/wind power at £0.10–0.15/kWh vs £0.30 grid
- Marketing advantage: Green-mined Bitcoin commands premium interest
Renewable Options for UK Miners
| Source | Setup Cost | ROI | Best Region |
|---|---|---|---|
| Solar (20kW) | £20,000 | 8–12 years | South England |
| Wind (small turbine) | £15,000–30,000 | 10–15 years | Scotland, Wales |
| Green Tariff | £0 (higher rate) | Immediate | Anywhere UK |
Solar Mining Case Study
20kW solar array (£20,000) powering 5 ASIC miners:
- Daytime mining only (8 hours/day average)
- Electricity cost: £0.12/kWh amortised
- Annual savings vs grid: £5,000/year
- Solar ROI: 4 years
Heat Recovery: Free Home Heating
Bonus: Each ASIC miner outputs 3–4kW of heat. Capture this with ducting to heat your home or garage — saving £500–800/year on heating bills. Your miner becomes a heater that pays you Bitcoin!
START TODAY
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Sento earns a referral if you click through our links — this never affects our recommendations. Prices and details correct at time of publication. Updated February 2026.