Definitions: Just the basics, please

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A complete PV power-generating unit consisting of a number of individual electrically and mechanically integrated modules with structural supports, trackers, or other components.

The electrical and structural components, aside from the major components, that are required to complete a PV system.

A group of batteries connected together with series and parallel connections to provide a specific voltage and capacity.

A PV system that operates in parallel with and is connected to the electric utility grid.

A business that designs, builds, and installs complete PV systems for particular applications by matching components from various manufacturers.

A contract between a distributed-power producer (PV system owner) and an electric utility that establishes the terms and conditions for the interconnection.

A device that converts DC power to AC power.

A metering arrangement where any excess energy exported to the utility is subtracted from the amount of energy imported from it.

A type of PV system that operates autonomously and supplies power to electrical loads independently of the electric utility. Most often is paired with a battery bank.

Permission from the AHJ that authorizes construction work to begin and establishes the inspection requirements, but does not represent an approval for compliance with codes and standards.

A type of fixed or adjustable-tilt array mounting system that can be on a roof, ground mounted or top of pole mounted.

A visit to the installation site to assess the site conditions and establish the needs and requirements for the system.