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I

Inclination angle Insolation

This is the angle between a reference plane and another plane/axis of direction. This angle provides the slope for a panel to be mounted.

Independent Power Producer (IPP)

This is a wholesale power producer that is not affiliated with any franchise utilities within a particular area.

Induction

Magnetism or electricity is produced through the influence of a nearby electrical current, magnet or charged body.

Inertia

Property of matter at which it remains at rest or in a uniform motion in the same straight line.

Insolation

This is the amount of energy that reaches a surface per unit of time.

Inspection

This is the systematic examination of a product, service or process.

Installation

This is the process in which there is site fabrication, assembly, erection and commissioning.

Internal Collector Storage (ICS)

Solar thermal collector where incident solar radiation is absorbed by the storage medium.

Inverter

This is the part of a PV plant that converts DC (Direct Current) into AC (Alternating Current), which can then be fed into the grid.

(Financial) investment

Commitment of financial means to an asset

Investment opportunity

Proposal to commit financial means to an asset

Investor Owned Utility (IOU)

Utilties that have a stock-based ownership

Irradiance

Measures the solar power incident on a solar panel. Measured in watts per m2 (meters squared). Irradiance (W/m2) multiplied by (h) equals Insolation (Wh/m2)