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Solar Energy Glossary

Alternating Current (AC): Electric current that periodically reverses direction, used in household appliances.

Charge Controller: A device that regulates the flow of electricity from solar panels to batteries in off-grid systems.

Direct Current (DC): Electric current that flows in one direction, generated by solar panels.

Feed-in Tariff (FiT): A payment for excess solar energy that is fed back into the grid.

Grid Integration: Connecting a solar system to the electricity grid to allow for bidirectional flow of electricity.

Inverter: A device that converts DC electricity from solar panels into usable alternating current (AC) electricity for household appliances.

Kilowatt (kW): A unit of power equal to 1,000 watts, used to measure the capacity of a solar system.

Kilowatt-Hour (kWh): A unit of energy equal to one kilowatt of power used for one hour, used to measure electricity consumption.

Net Metering: A billing arrangement where the electricity consumed from the grid is offset by the electricity generated by a solar system.

Off-Grid Battery System: A setup that combines solar panels with battery storage to provide electricity in areas without grid access.

Off-Grid System: A solar system that operates independently from the electricity grid.

On-Grid System: A solar system connected to the electricity grid, allowing for both consumption and export of electricity.

Orientation: The direction in which solar panels are installed to maximize sunlight exposure.

Peak Sun Hours: The number of hours during the day when sunlight is strong enough to generate optimal energy output.

Photovoltaic (PV) Cell: The basic unit of a solar panel that converts sunlight into direct current (DC) electricity.

Photovoltaic Efficiency: The percentage of sunlight converted into usable electricity by solar panels.

Renewable Energy: Energy derived from sources that are naturally replenished, such as sunlight.

Solar Angle Calculator: Tools used to determine the optimal tilt angle for solar panels based on location and time of year.

Solar Array: A collection of interconnected solar panels that work together to generate electricity.

Solar Battery: Energy storage device that stores excess solar energy for later use.

Solar Efficiency Rating: A standardized measure of how effectively solar panels convert sunlight into electricity.

Solar Efficiency Ratio: The ratio of actual energy output to the maximum energy potential of a solar system.

Solar Energy Audit: A comprehensive assessment of a property’s energy consumption and potential for solar energy generation.

Solar Energy Consultant: Professionals who provide expert advice on the design, installation, and financing of solar systems.

Solar Energy Conversion: The process of converting sunlight into usable electricity through photovoltaic cells.

Solar Energy Storage: Storing excess solar energy in batteries for use during periods of low sunlight.

Solar Farm: A large-scale installation of solar panels used to generate electricity for commercial use.

Solar Incentive Program: Government-sponsored programs that offer financial incentives for installing solar systems.

Solar Insolation: The amount of solar energy received per unit area in a given time.

Solar Installer: Professionals responsible for the design, installation, and maintenance of solar systems.

Solar Lease: An arrangement where homeowners lease solar panels and pay a fixed monthly fee in exchange for electricity.

Solar Maintenance: Regular cleaning and inspection of solar panels to ensure optimal performance and longevity.

Solar Microinverter: A device that converts DC electricity from individual solar panels into AC electricity, improving overall system efficiency.

Solar Monitoring System: Technology that tracks the performance of solar panels and provides real-time data on energy production.

Solar Offsetting: The practice of using renewable energy sources to compensate for carbon emissions from non-renewable energy use.

Solar Panel Degradation: The gradual reduction in solar panel efficiency over time due to exposure to environmental factors.

Solar Panel: Photovoltaic modules that convert sunlight into electricity.

Solar Permitting: Obtaining the necessary approvals and permits from local authorities to install a solar system.

Solar Power Purchase Agreement (SPPA): Similar to a PPA, where homeowners purchase solar energy at a fixed rate, but ownership of the panels remains with the provider.

Solar Power: Electricity generated from sunlight using solar panels.

Solar Purchase Agreement (PPA): A contract where homeowners purchase solar energy at a fixed rate from a third-party provider.

Solar Rebate: Financial incentive provided by governments or utilities to encourage the adoption of solar energy.

Solar Retrofit: Adding solar panels to an existing building or structure to harness solar energy.

Solar ROI: Return on investment for a solar system, calculated based on energy savings and incentives received.

Solar Shading: The obstruction of sunlight by objects such as trees, buildings, or other structures, reducing energy production.

Solar System: A setup of interconnected solar panels that generate and supply electricity to a home or business.

Solar Tax Credit: A tax incentive provided by governments to encourage solar energy adoption, reducing the overall tax liability.

Solar Tracking System: A mechanism that adjusts the angle and position of solar panels to follow the movement of the sun for increased energy capture.

Solar Warranty: A guarantee provided by manufacturers covering the performance and durability of solar panels.

Tilt Angle: The angle at which solar panels are mounted to optimize sunlight absorption.

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