Live Arbitrage Spread Calculator
Real-time Octopus Agile Scotland (region H) price analysis. Updated every 30 minutes with today's cheapest charge window and most expensive export window.
Today's Scotland Arbitrage
Octopus Agile Region H · Updated every 30 minutes
Income estimates are illustrative. Actual income varies by season and usage.
How the Calculator Works
1. Data Source: Fetches live Octopus Agile prices for Scotland (region H) via Octopus Energy API. Scotland has the UK's highest price volatility.
2. Charge Window: Identifies the cheapest 2-hour (4× 30-minute slots) charging period. Typically overnight 02:00–04:00.
3. Export Window: Finds the most expensive 2-hour period for discharging. Usually evening peak 16:00–19:00 in winter.
4. Spread Calculation: Price difference between export and charge windows in pence per kWh.
5. Profit Estimate: Based on a 10kWh battery with 90% round-trip efficiency. Annual estimate assumes 70% of days have viable arbitrage opportunities.
Understanding Your Results
- Spread 20-30p/kWh: Excellent arbitrage opportunity. Profitable for most 10kWh+ batteries.
- Spread 15-20p/kWh: Good opportunity. Profitable for efficient systems.
- Spread 10-15p/kWh: Moderate. Consider opportunity cost vs battery wear.
- Spread <10p/kWh: Low. May not be worth cycling battery. Prioritise solar self-consumption.
Ready to Start Earning?
Check if your battery is arbitrage-ready or get a quote for a new MCS-certified system.