Budget PC (GTX 1660 Super) electricity cost — Casual — 1 hour per session
Light casual gaming: one hour a session, three times a week. A <strong>Budget PC (GTX 1660 Super)</strong> draws 245 W total (GPU 125 W + rest of system 120 W). Cost: 19.2p/week at Ofgem cap 26.11p/kWh (1 July to 30 September 2026).
Budget PC (GTX 1660 Super) — Casual — 1 hour per session: 0.245 kW × 1 h = 0.245 kWh = 6.4p/session. Weekly (3 sessions): 19.2p. Monthly: 83.2p. Annual: £9.98. Source: Nvidia / AMD / Intel — published TDP specifications for GPU and CPU components + Ofgem (OGL v3.0).
- Per session
- 6.4p
- Per week (3 sessions)
- 19.2p
- Per month
- 83.2p
- Per year
- £9.98
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
- 3
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 × 3 sessions = 19.2p.
- Monthly: 19.2p × 52 ÷ 12 = 83.2p.
- Annual: 19.2p × 52 = £9.98.
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.