PVFetch – Roof Planner

Model your roof and production. Other tools live on their own pages now.
Welcome, Guest
Power Flow PV → Grid (no battery)

1. Your site & system

We’ll geocode your address, size your array, and then let you sketch it on your roof.

2. Your loads & devices

Optional

Add the key things you want to run (fridges, AC, EV chargers, pumps, lights, etc.). We’ll estimate how many hours per day your solar + battery can cover them.

Device / Circuit Watts Qty Hours/day
We only use these numbers on this page to compare usage to production.
Total connected load: 0 W
Est. daily energy: 0.0 kWh/day
Once you click this, we’ll pull weather data, run PVWatts, and populate the results on the right.

3. Results & roof layout

Once you fill out the left side and click Run solar model, we’ll show:

  • Annual, monthly, weekly, and daily energy production for your location.
  • A roof view where you can drag and rotate panel zones.
  • Per-zone production (south vs west vs east).
  • Typical daily output curve and monthly energy chart.
  • An hourly explorer to browse every hour of the modeled year.
  • An estimate of how many hours per day your solar + battery can cover your listed devices.