Battery storage · United Kingdom
Slack B1
Operator FPC ELECTRIC LAND LIMITED · Owner Eli Midco Limited
Operational20 MWData checked 12 November 2026
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Slack B1 is a 20 MW battery storage site in Westhoughton, Bolton, United Kingdom. Its status in the public dataset is operational. There are 50 other energy sites within 10 km, 16 of them battery storage sites (hybrid battery and solar sites included). The register holds no incident at this site. It holds 14 incidents at battery storage sites (hybrid battery and solar sites included) in the United Kingdom, and 197 worldwide.
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The company behind this site
FPC ELECTRIC LAND LIMITED (09542958), active, since 2015. No outstanding charges on the register. Members see the charges register: each charge, when it was created and the lender it is in favour of.
Source: Companies House, matched by the operator's name. If this is the wrong company, tell the editor.
The site
- Technology
- Battery storage (Battery)
- Capacity
- 20 MW (this record)
- Planning record
- 45 MW
- Capacity figure from
- Capacity Market register (EMR Delivery Body)
- Status
- Operational (Capacity Market unit, delivery year 2026)
- Operator
- FPC ELECTRIC LAND LIMITED
- Owner
- Eli Midco Limited
- Location
- Bolton, BL5 3LG, United Kingdom
This record is a Capacity Market unit, and 20 MW is the figure entered in the auction. The planning record for this place, Slack Lane, Westhoughton - Battery Energy Storage System, gives 45 MW. Slack Lane, Westhoughton - Battery Energy Storage System
View on OpenStreetMap. The larger dot is this site; the others are sites within 40 km.
Incidents on the register at this site
None found. The register holds no published incident that names Slack B1. If you know of one, report it (confidential reports are anonymised).
Own, insure or lend to this site or others like it? A portfolio safety record checks every site in a list against the register, free; the paid records add the site, operator, cause, downtime and loss behind each incident.
Questions
- Has Slack B1 had a fire or other incident?
- None is on the register as of 13 November 2026. The register holds no published incident that names Slack B1; it holds 14 incidents at battery storage sites (hybrid battery and solar sites included) in the United Kingdom.
- What is the status of Slack B1?
- Operational, in the public dataset.
- Where is Slack B1?
- In Westhoughton, Bolton, United Kingdom (postcode BL5 3LG).
The dataset. The register adds only the incidents and the counts. Nearest town: GeoNames (CC BY 4.0).