Solar Panel Savings Potters Bar: Commuter ROI

Why Commuters Need Different Calculations

Traditional solar ROI assumes daytime consumption. Potters Bar commuters need battery-focused analysis.

With vs Without Battery

Scenario

Investment

Annual Savings

4kW solar only	£6,500	£650
4kW + 5kWh battery	£11,000	£1,100
4kW + 10kWh battery	£14,500	£1,350

Key insight: Battery adds £450-700/year in savings for commuter households.

Case Study: Little Heath Family

• Household: 2 adults commuting, 2 children
• Pattern: Out 8am-6pm weekdays
• System: 5kW + 10kWh battery + Zappi EV charger
• Investment: £16,500
• Annual electricity savings: £1,450
• EV fuel savings: £580
• Total benefit: £2,030
• Payback: 8.1 years

Smart Tariff Optimization

Further savings available with:

• Octopus Flux: Arbitrage potential
• Intelligent Octopus Go: Cheap overnight rates
• Agile tariffs: Price optimization

Related Guides

• Solar Panel Costs in Potters Bar
• Solar Panel Installation Potters Bar
• Potters Bar Location Page