Interactive engineering calculators, standards, and knowledge for Renewable Energy professionals.
14 interactive calculators, organized by engineering discipline
Calculate the annual energy yield of a fixed-tilt solar array at a given location, considering latitude, longitude, tilt, and system losses.
Calculate the required battery capacity for off-grid systems based on daily energy consumption, days of autonomy, and other key parameters. Ensure reliable and efficient energy storage.
Calculate the required DC input power for your inverter based on AC output, efficiency, power factor, and derating. Ensure optimal system design and performance.
Calculate the optimal number of PV modules in a string to ensure the inverter operates within its MPPT voltage range, maximizing energy yield and system reliability.
Calculate the annual energy yield of a fixed-tilt rooftop photovoltaic system with this tool, considering location, system capacity, and loss factors.
Calculate the Plane-of-Array (POA) irradiance for tilted surfaces using this tool. Essential for designing efficient photovoltaic systems.
Estimate the rotor swept area and power output of a wind turbine for site-specific power calculations. Ideal for renewable energy projects.
Determine the required rotor swept area for your wind turbine to meet the target annual energy production. Optimize your renewable energy project with this tool.
Calculate incident energy, arc flash boundary, and PPE category for 1000Vdc PV combiner boxes. Ensure electrical safety with this tool.
Calculate the appropriate DC cable size for your solar PV array based on voltage, power, and other parameters. Ensure system efficiency and performance.
Calculate the correct size of a grid-tie inverter for your commercial PV system while ensuring compliance with NEC 705.12(B) busbar loading requirements.
Determine the minimum grounding electrode conductor size for your solar farm to ensure safe and reliable operation. Follow NEC 250.166 guidelines.
Calculate the grounding electrode resistance for a solar farm substation. Ensure safety and compliance with IEEE 142 and NEC standards.
Calculate the derating factor for transformers in solar plants to ensure safe operation under high ambient temperatures. Follow IEEE standards and best practices.
