Live9 free calculators · no sign-up · runs on your device// Solvolto · grid-ready toolsv1.0
Next-gen home electrification · free
See what your home can power.
Plan EV charging, solar, heat pumps and panel upgrades with instrument-grade tools. Answer one question, get an honest readout — no signup, just numbers you can act on.
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Flagship tool
Home electrification readiness
Answer a few questions and get an instant estimate of how much you can add — EV charging, a heat pump, solar — before you would need a service upgrade.
Range / ovenDryerWater heaterCentral ACElectric heat
EV charger (L2)Heat pumpHP water heaterInduction rangeSolar + battery
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Estimate only, using a simplified NEC 220.82 optional method (3 VA/ft² general load; first 10 kVA at 100%, remainder at 40%; 80% continuous capacity). Real sizing depends on your exact loads and local code — verify with a licensed electrician before any work.