How the Electricity Grid Works

How electricity works

Electricity is part of our everyday lives, but do you know how it gets to our homes in the first place?

About electricity generation

Grid alerts

What different grid alerts mean and how we respond in a system emergency.

Grid alerts

Underground vs overhead

Why can't all projects use underground cables? See how we establish where lines need to go.

Planning for cables

Interconnection

There are a number of interconnectors which connect the electricity systems between Northern Ireland, Ireland and Great Britain. We facilitate capacity and energy trading for these interconnectors.

Learn about interconnection

How the grid and market interact

See how the market and grid work together to balance electricity supply and demand.

The electricity market's role

Security of supply

How we work to have enough electricity available to meet demand.

Forecasting and planning

Grid safety

Your questions answered on the safety of our grid.

A safe grid

Have a query?

We're here to help. Get in touch with a member of the team if you have questions about the transmission grid.

How the grid works

How electricity works

Grid alerts

Underground vs overhead

Interconnection

How the grid and market interact

Security of supply

Grid safety

Have a query?