HPS Running Cost Calculator
Calculate your electricity costs and compare HPS vs LED total cost of ownership
Your Setup
Enter your HPS lighting configuration
1h12h (typical veg)18h (typical flower)24h
UK average: ~28p (2024)
Your HPS Running Costs
Based on 1x 600W HPS running 12 hours/day
Daily
£2.02
7.20 kWh
Weekly
£14.11
Monthly
£60.48
Yearly (electricity only)
£735.84
Including Bulb Replacement
HPS bulbs need replacing every 12 months (~£45/bulb).
Total annual HPS cost: £780.84 (includes £45.00 for bulbs)