PVWatts Calculator
Estimates the energy production and cost of energy of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, installers and manufacturers to
pvgis
PVGIS24 solar panel calculator: Calculate energy potential with precise mapping. Interactive data and optimization for solar projects.
SolarMathLab | Accurate Solar Calculators for Panels, Batteries
Design smarter solar systems with our technical calculators for panels, batteries, inverters, tilt angles, irradiance, wiring, and hybrid PV setups. Perfect for engineers, students, and DIY solar projects.
PV*SOL | The trusted software for solar design
PV*SOL is the industry standard for planning and designing efficient PV systems – used by engineers, system designers, installers, and skilled technicians around the world.
SolarFarmer: Solar PV design and assessment software
The software built for efficiency and scalability, enabling you to design solar PV farms with more confidence than ever before. Our cutting-edge software and world-leading modelling capabilities offer
PV*SOL online
We then search for the optimal connection of your PV modules and the inverter that suits best. After the simulation of the system, the results are presented: Annual PV energy, Performance ratio, Own
ProSolar
Calculate solar panels, inverters, batteries, and electrical components. Get accurate sizing for off-grid, on-grid, and hybrid solar installations.
OpenSolar | Accelerating Solar Adoption with Free Software
OpenSolar connects homeowners, solar professionals, and partners with free software to design, sell, and manage fast, accurate solar projects.
Designer
Get the most out of the solar system with automatic electrical design calculation providing you with the best recommendation for highly efficient solar system planning.
Solar Generation Calculator Guide: Compare Tools & Calculate
A solar generation calculator is an essential tool for anyone considering solar panel installation, providing estimates of how much electricity your solar system could produce based on