🔌 EV Partnership Switch to Octopus Energy & unlock exclusive smart EV charging rates Find out more → Skip to main content

Grid infrastructure › Connection queue › Battery storage

BATTERY STORAGE · NGET

Ninfield BESS

Ninfield BESS is a 225 MW battery storage project in planning, connecting to the National Grid (England & Wales) network at Sussex and Romney Connection Node A 400kV Substation, with capacity due from October 2037. The connection agreement is held by Kona Energy Limited.

Project stageIn planning
  1. Planning (current stage)
  2. Consented (not yet reached)
  3. Construction (not yet reached)
  4. OperatingFrom Oct 2037 (not yet reached)
  5. Closed (not yet reached)

Scoping and awaiting consents are both shown as planning. A connection agreement does not mean the project will be built: many queue projects never reach construction.

Connection details

NESO project number
PRO-005070
Customer
Kona Energy Limited
Technology
Energy Storage System
Total capacity
225 MW
Change in this agreement
+225 MW
Capacity effective from
31 October 2037
Connection site
Sussex and Romney Connection Node A 400kV Substation
Transmission owner
National Grid (England & Wales)
Connection type
Direct connection to the transmission network
NESO project status
Scoping
Connections reform gate
Gate 1

Connection site

This project connects at a new substation (a “connection node”) that has not been built or located yet.

Projects connecting near Sussex and Romney Connection Node A · Grid map

Other projects at Sussex and Romney Connection Node A 400kV Substation

Source: NESO Transmission Entry Capacity (TEC) register, downloaded 8 November 2026. Contains data from NESO, licensed under the NESO Open Data Licence. Report a problem