National Grid outlines plans to buy more inertia

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NATIONAL Grid plans to launch a tender for new inertia services next month for delivery from April.

The company recently shared their ambition to be able to operate the GB electricity system carbon free by 2025.

Now the company has launched its ‘Stability Pathfinder’ and published a service outline. According to the outline, requirements include:

  •  Inertia + fast acting dynamic voltage + short circuit level
  • Procuring up to a maximum of 25GVA seconds
  • GB wide, >=132kV transmission & distribution connections (with effectiveness weighting)
  • Zero MW output service – no payment made if generating

“The systems and processes we have in place to measure inertia are appropriate for the levels of wind and solar power currently in operation.

“However it’s important we plan for the future and embrace new technologies as we move towards our ambition of being able to operate the system carbon free by 2025″, Craig Dyke, National Grid ESO Head of Networks, said.

“We believe our Stability Pathfinder is a step towards that aim and the first initiative of its kind anywhere in the world. We look forward to working with the market to implement the new solutions.”

National Grid intends to tender for near-term stability service (‘Phase 1’) in early November. An Expression of Interest (EOI) will be published for long term services (Phase 2) in January 2020.