Budget PC (GTX 1660 Super) electricity cost — School-age — 1 h after school (weekdays)
Typical school-age child: 1 hour gaming after school on weekdays. A <strong>Budget PC (GTX 1660 Super)</strong> draws 245 W total (GPU 125 W + rest of system 120 W). Cost: 32.0p/week at Ofgem cap 26.11p/kWh (1 July to 30 September 2026).
Budget PC (GTX 1660 Super) — School-age — 1 h after school (weekdays): 0.245 kW × 1 h = 0.245 kWh = 6.4p/session. Weekly (5 sessions): 32.0p. Monthly: £1.39. Annual: £16.63. Source: Nvidia / AMD / Intel — published TDP specifications for GPU and CPU components + Ofgem (OGL v3.0).
- Per session
- 6.4p
- Per week (5 sessions)
- 32.0p
- Per month
- £1.39
- Per year
- £16.63
Rig specification
- Tier
- budget
- GPU
- Nvidia GeForce GTX 1660 Super
- GPU TDP
- 125 W
- Rest of system
- 120 W
- Total system
- 245 W
- Sessions/week
- 5
Nvidia GTX 1660 Super TDP 125 W (published spec); rest of system ~120 W typical budget build
How the cost is worked out
- System power: 125 W (GPU) + 120 W (CPU + rest) = 245 W total.
- Per session: 245 W ÷ 1000 × 1 h = 0.245 kWh × 26.11p = 6.4p.
- Weekly: 6.4p × 5 sessions = 32.0p.
- Monthly: 32.0p × 52 ÷ 12 = £1.39.
- Annual: 32.0p × 52 = £16.63.
Same scenario — other gaming rigs
Track gaming PC running costs
Updated each time the Ofgem cap changes.
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GPU TDP from Nvidia / AMD / Intel — published TDP specifications for GPU and CPU components. Unit rate 26.11p/kWh from Ofgem — Energy price cap unit rates and standing charges (1 July to 30 September 2026), OGL v3.0. Last updated: 2026-06-20.