Will Renewables Save You Money?

📋 Purpose

This planner combines postcode-based tariff defaults with benchmark system assumptions so you can compare upfront cost, yearly impact, payback time, and a 25-year outcome in one place. It also shows confidence level and expected range so you can judge uncertainty more clearly.

⚙️ How It Works

1. 1
   Enter your postcode, then property type, bedroom count, and current heating system
2. 2
   Choose the upgrade plan you want to test: solar, battery, heat pump, or a mix
3. 3
   Check the loaded tariff rates and overwrite them if your bill shows different values
4. 4
   Press calculate to see yearly impact, payback time, and a 25-year view
5. 5
   Use the confidence badge and expected range to understand uncertainty
6. 6
   Use the recommendation card to decide whether to get quotes, downsize the plan, or compare more scenarios