Home solar and storage, told plainly
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Annual analysis
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Adjust the sliders below to model different battery, solar, EV and tariff combinations. Bill projection updates live using your 335 days of real data.
Compare key scenarios
Your four options head-to-head
Baseline plus three upgrade paths compared side-by-side. Numbers assume post-July-2026 FiT of 6c/kWh, 2-EV load (EN200 + J5), 5 kW Ergon standard export cap. Capex figures are estimates net of federal Cheaper Home Battery rebate.
Summary of key scenarios
All four scenarios calculated together for at-a-glance comparison. Uses default settings: 2 EVs (Nissan EN200 + Jaecoo J5), 5 kW Ergon export cap, no VPP, FiT 6c/kWh, current inverter capacity per option.
| Scenario | Battery | Solar | Inverter | Yr 1 bill | Saves/yr | Capex | Payback | 10-yr net |
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Room to grow · adding new loads
How much of your daily surplus can you spend on new appliances? Choose your target configuration in the sliders above, then toggle the new loads below to see what fits.