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Solar + EV Charging Integration for Commercial Properties
Combining solar panels with EV charging creates a powerful combination: charge vehicles at 4-6p/kWh instead of 20-30p/kWh from the grid.
Solar Panels For Businesses Team
2 January 2026
The Solar + EV Charging Opportunity
With EV sales growing 38% year-on-year and the 2030 petrol/diesel ban approaching, businesses are rapidly installing charging infrastructure. Combining solar with EV charging dramatically reduces charging costs while demonstrating environmental leadership.
Cost Comparison
| Charging Source | Cost per kWh | Cost per 100 miles |
|---|---|---|
| Grid electricity | 24-30p | £7.20-£9.00 |
| Solar generation | 4-6p | £1.20-£1.80 |
| Public rapid charger | 60-80p | £18-£24 |
System Sizing
When planning integrated solar and EV charging:
- 7kW charger: Requires ~15-20kW solar for daytime coverage
- 22kW charger: Requires ~40-50kW solar for daytime coverage
- Multiple chargers: Scale solar proportionally
Employee Benefits
Workplace charging is a highly valued employee benefit:
- Free or subsidised charging attracts talent
- Supports employees transitioning to EVs
- Tax-free benefit for employees
- Demonstrates corporate sustainability
Implementation Options
- Direct solar-to-EV: Charge during daylight hours
- Solar + Battery: Store for charging anytime
- Smart charging: Optimize based on solar availability
- Vehicle-to-Grid: Future option for grid services