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Distribution / SSEN / Site

DOUNREAY BESS

SUN4NET LTD at DOUNREAY

SSEN Embedded Capacity Register, September 2026 edition

Site, company and substation names are shown as they appear in the registers, including capitalisation.

Target energisation date
31 Jul 2026
Status
Accepted to connect
Customer
SUN4NET LTD
Site name
DOUNREAY BESS
Address
DOUNREAY BESS, NORTH AND WEST HIGHLANDS REAY, THURSO, HIGHLAND, KW14 7RW
Grid reference
Easting 297760, northing 965302
Licence area
North of Scotland (SHEPD)
Grid supply point
DOUNREAY
Bulk supply point
Not stated
Primary substation
DOUNREAY
Connection voltage
33 kV
Technology group
Storage
Energy source 1
STORED ENERGY (ALL STORED ENERGY IRRESPECTVE OF THE ORIGINAL ENERGY SOURCE), STORAGE - ELECTROCHEMICAL (BATTERIES): 36 MW registered
Registered capacity
36 MW
Change to maximum export capacity
34 MW
Change to maximum import capacity
35.789 MW
Flexible connection
Not stated
In a connection queue
Not published by SSEN
Date accepted
25 May 2022
Date connected
Not stated
Distribution reinforcement reference
Not published by SSEN
Transmission reinforcement reference
Not published by SSEN
Export MPAN
Not stated
Import MPAN
Not stated
Last updated
10 Feb 2026
Tracked since
December 2025 edition

Change history

Tracked since the December 2025 edition, across 10 editions.

Changes to its status, capacity, technology or customer, newest first.

No change to its status, capacity, technology or customer.

Also at DOUNREAY

GSP view

9 other sites at this grid supply point in the September 2026 edition, 7 of them at DOUNREAY, the same primary substation. In all, the sites here total 391 MW: 63 MW connected, 328 MW accepted to connect.

See all 9

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