Solar Production NREL TMY

Annual Solar PV Production Estimator (NREL PVWatts)

# What it does
Estimates annual and monthly kWh output for a PV system using NREL TMY (Typical Meteorological Year) data and PVWatts methodology.

# Features
- System DC size in kW input
- Tilt and azimuth inputs
- DC-to-AC derate factor
- Annual production estimate (kWh)
- Monthly production breakdown
- Capacity factor calculation
- Compatible with NREL PVWatts inputs
- Quick site feasibility check

# Made for
Solar developers, PV system designers, financial analysts, energy consultants, EPC engineers.

# Optional Pro Upgrade — $2.99 one-time
The following features require a separate one-time in-app purchase. They are not required to use the calculator:
- Calculation history (saved & searchable)
- PDF report export with NEC references
- Dark theme
- Ad-free experience