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Exact site not public
Map
Sundon in United Kingdom: the ring is the region's center, not the site. Outline: Natural Earth and US Census Bureau, both public domain.
Sundon
Storage
Key facts
Storage Under construction (source status: Under Construction/Commissioning) (what this status means)- Capacity
- Capacity: sourceNESO · Open license, with creditMW
- Queue position
- PRO-001132
- In-service date
- (stated)
- Location
- Sundon 400kV Substation, United Kingdom (exact site not stated)EstimateEstimated from the connection substation. The source names the connection substation, not the site. Source: NESO. How we estimate →
Details
Who’s behind it
- Developer
- Sundon Battery Storage Limited
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- Kind
- Storage source: “Energy Storage System”
- Connects at
- Sundon 400kV SubstationConnection point1,150 MW active (3 of 4 projects).
Timeline
- Stated In-service date stated by NESO.
- Observed as under construction in NESO (source status: “Under Construction/Commissioning”).
- NESO Transmission Entry Capacity (TEC) Register: Proposed cod 2025-09-05 → 2027-04-30.
- NESO Transmission Entry Capacity (TEC) Register: status filed → under construction.
“Stated” dates are the source’s plan, not a commitment.
About these dates
Status and dates as the source last listed them. Later changes follow as we see them.
Sources
1 sourceSources NESO
Supported by National Energy SO Open Data