PVLedger: Solar Tools

PVLedger is a practical offline workspace for photovoltaic system preliminary design, field calculations and project documentation. 24 OFFLINE SOLAR TOOLS • PV array power and DC/AC ratio • Cold Voc string limit • Hot Vmp and MPPT compatibility • Parallel string current • Annual and monthly energy yield • Combined system losses • Specific yield and performance ratio • Battery bank sizing and runtime • Charge controller current • DC cable voltage-drop sizing • Single-phase and three-phase AC cable sizing • PV source overcurrent protection • Roof module fit and added dead load • Row shadow spacing • Solar self-consumption • Simple payback and simplified LCOE • Avoided CO₂ estimate SOLAR PROJECT WORKSPACE Create grid-tied, hybrid or off-grid solar projects. Enter module, string, inverter and production values, then review array power, annual energy estimate, DC/AC ratio and design…