Grid Glossary

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Grid following inverter

Refers to the ability of an inverter to synchronize with frequency and voltage on the grid. These are more common than grid forming and refer to how this technology takes its cues from the grid, not the other way around.

Grid forming inverter

Refers to the ability of an inverter to actively control frequency and voltage on the grid, helping to ensure grid stability. They can provide ancillary services, such as inertia, voltage regulation, and frequency response, essential for maintaining grid stability.

Grid hardening

Refers to the many solutions that help the grid withstand major events, such as extreme weather, natural disasters, or cyber attacks, without disruption.

Watts

Measure of the rate of energy transfer over a unit of time, with one watt equal to one joule (J) per second.

Wind power

A form of renewable energy that uses the kinetic energy of wind to generate electricity. It involves capturing the wind’s energy through turbines, which then convert this mechanical energy into electricity. Modern wind power generation primarily relies on wind turbines, often grouped into wind farms, connected to the electrical grid.

Winter peaking

The increase in energy demand during the winter months, usually due to heating needs. This can lead to higher energy prices and bills for a number of reasons, including: 

  • Strained energy grid: The high demand can strain the energy grid, which can cause utilities to work harder to meet the need.
  • Seasonal rate adjustments: Many energy providers adjust rates based on seasonal demand.
  • Increased use of lighting: Shorter and darker winter days can lead to greater use of in-home lighting.

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