Renewable Calculators
Precision calculators for renewable professionals and operations.
Battery Bank Capacity Sizing Calculator
Determine the total raw battery capacity in Amp-Hours needed to survive off-grid cloudy days, adjusting for strict chemistry safe discharge limits.
Firewood Cord Btu Heating Estimator
Launch the Firewood Cord Btu Heating Estimator tool to calculate accurate results.
Geothermal Loop Length Sizer
Estimate the required linear footage of buried high-density polyethylene (HDPE) pipe required to support a geothermal heat pump based on mechanical tonnage and sub-surface soil conductivity.
Hydroelectric Penstock Head Loss
Launch the Hydroelectric Penstock Head Loss tool to calculate accurate results.
Inverter Dc Ac Clipping Ratio
Launch the Inverter Dc Ac Clipping Ratio tool to calculate accurate results.
Off Grid Inverter Dc Amp Draw
Launch the Off Grid Inverter Dc Amp Draw tool to calculate accurate results.
Peukerts Law Battery Capacity
Launch the Peukerts Law Battery Capacity tool to calculate accurate results.
Solar Array & Inverter Sizing Calculator
Determine the physical solar panel array size and minimum inverter surge rating required to power a daily Watt-hour target based on your local peak sun exposure.
Solar Panel Temp Coefficient Power Loss
Launch the Solar Panel Temp Coefficient Power Loss tool to calculate accurate results.
Solar Pv String Sizing
Launch the Solar Pv String Sizing tool to calculate accurate results.
String Cold Weather Max Voltage
Launch the String Cold Weather Max Voltage tool to calculate accurate results.
Wind Turbine Betz Limit
Launch the Wind Turbine Betz Limit tool to calculate accurate results.
Wind Turbine Power Output
Launch the Wind Turbine Power Output tool to calculate accurate results.
Wind Turbine Tip Speed Ratio Tsr
Launch the Wind Turbine Tip Speed Ratio Tsr tool to calculate accurate results.