Search results
Filter by
ESO content (166)
Electricity Explained
Inertia, frequency, voltage, thermal, constraints…these are just a few of the factors that go into the highly complex process of balancing the grid.But don’t worry if you’re not up to speed on the…
Our strategy
The ESO is the electricity system operator for Great Britain. We sit at the heart of the country’s energy network and it’s our job to make sure electricity is there when people need it.
Our strategy
On this page you will find documents that we must produce to comply with our electricity licence requirements to separate parts of our business.In order to comply with our licence requirements…
Our strategy
National Grid ESO is the electricity system operator for Great Britain. We sit at the heart of the country’s energy network and it’s our job to make sure electricity is there when people need…
Balancing services
Constraint management is required where the electricity transmission system is unable to transmit power to the location of demand, due to congestion at one or more parts of the transmission network…
Balancing services
Restoration (formerly known as Black Start) is the process used to restore power in the event of a total or partial shutdown of the national electricity transmission system.
Electricity Explained
The electricity market in Great Britain is a complex intersection of engineering and economics. Generators supply the electricity that consumers demand. The physical connections between demand and…
Electricity Explained
Wind is all around us. It’s clean, it’s free (at point of generation) and is a reliable source of energy for countries all around the world. Every day, wind turbines capture the wind’s power and…
Balancing services
The South Coast of England is likely to play a big role in meeting the Government’s green energy targets because there is lots of renewable solar and wind generation in the area. But research…
Our strategy
Every day the ESO moves over 730GWh of high-voltage electricity around the country. That’s enough to power 146 billion light bulbs!We ensure that Great Britain has the essential energy it…