SSEN Distribution, part of SSE, runs the local electricity network in the north of Scotland and central southern England under two licences, SHEPD and SEPD. It carries power but does not sell it: customers pay their supplier.

Electricity network
- Activities
- Distribution
- Customers
- 3.95 M· homes and businesses, 2025 (Ofgem)
- Smart meters
- 75%· GB homes, fitted by suppliers
- Minutes lost
- 51 to 69 min· per customer by area, 2024/25
- Interruptions
- 42 to 59· per 100 customers by area, 2024/25
- Network length
- 129,300 km· Mar 2025
- Coverage
- 2 regions
- North of Scotland
- Hebrides
- Orkney
- Central southern England
- Southampton
- Swindon
SEPD serves over 3.1 million customers in the south, SHEPD over 0.8 million in the north. Reliability figures come from Ofgem and are provisional.
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