Sec 1 BESS

Sec 1 BESS is a 60 MW battery storage project in planning, connecting to the SP Transmission (south Scotland) network at Finnieston GSP, with capacity due from July 2031. The connection agreement is held by Bluestone Energy Ltd.

Project stageIn planning

Planning (current stage)
Consented (not yet reached)
Construction (not yet reached)
OperatingFrom Jul 2031 (not yet reached)
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-003198
Customer: Bluestone Energy Ltd
Technology: Energy Storage System
Total capacity: 60 MW
Change in this agreement: +60 MW
Capacity effective from: 17 July 2031
Connection site: Finnieston GSP
Transmission owner: SP Transmission (south Scotland)
Connection type: Embedded (connects through the local distribution network)
NESO project status: Scoping
Connections reform gate: Gate 1

Connection site

The marker shows the connection substation, not the project itself, with the transmission network around it.

Projects connecting near Finnieston GSP · Grid map

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