Enhanced Solar Calculator
Complete solar analysis with live rates, long-term projections, and shareable results
Your Details
Typical: 4-6kW for homes, 10-50kW for businesses
Recommended: 5-15kWh. 0 for solar-only
Live Octopus Energy Rates
Last updated: 09:29
Octopus Go
Time of Use Tariff
Off-Peak:23.69p/kWh
Peak:12.39p/kWh
Export:15.00p/kWh
Off-Peak Hours: 00:30-04:30
Octopus Agile
Single Rate Tariff
Standard:13.23p/kWh
Export:15.00p/kWh
Octopus Flexible
Single Rate Tariff
Standard:24.40p/kWh
Export:15.00p/kWh
How Time-of-Use Tariffs Work
- • Off-Peak: Cheaper electricity during low-demand hours (usually overnight)
- • Peak: Standard rate during high-demand hours (typically 4:30am onwards)
- • Battery Arbitrage: Charge batteries cheap, discharge expensive = profit
- • Export: Get paid for excess solar energy sent to the grid
Rates shown include VAT and are for Scotland. Actual rates may vary by postcode.
Features of This Enhanced Calculator
- Save & Share: Create shareable links to your calculations
- Live Rates: Real-time Octopus Energy tariff data
- Battery Arbitrage: Calculate profit from time-of-use tariffs
- Seasonal Analysis: Month-by-month generation breakdown
- 25-Year Projection: Long-term savings visualization
- PDF Export: Download branded reports