Pricing

UK Grid Status

Live settlement prices for the GB grid, updated every 20 minutes from Elexon; NESO transmission constraint data refreshes daily at 09:00 UTC.

SYSTEM PRICE
£111.08/MWh
↓ 34.3% vs SP40SP41 · 19:00 UTC
MARKET INDEX (MID)
£164.59/MWh
APXMIDP average · SP41
System Sell Price — last 96 settlement periods (48h)
£50£75£100£125£150£175£200£225£25019:30 UTC01:30 UTC07:30 UTC13:30 UTC19:30 UTC01:30 UTC07:30 UTC13:30 UTC

Transmission Constraints

Day-ahead constraint flows from NESO show how close each inter-regional boundary is to its physical transfer limit. Boundaries approaching 100% are a curtailment and BM pass-over risk for generators on the constrained side.

High utilisation — curtailment risk
Scotland Export CapSCOTEX258%
SSE–Gregorthie MossSSE+GRMO249%
SSE–ScottishPower No.2SSE-SP2165%
SSEN SouthSSEN-S155%
Harker–Penrith–BarnbyHARSPNBLY117%
North–South Transfer (B7)FLOWSTH114%
Scotland–Harker No.3 (B6)SSHARN3106%
GB schematic · day-ahead flows
SCOTLANDSCOTEX5678/2200 MW→ 8018/7600 MW (106%)N. ENGLANDHARSPNBLY5981/5100 MW→ 10925/9600 MW (114%)S. ENGLANDESTEX62/5300 MW<70%70–90%>90%
All boundaries · sorted by utilisation
Scotland Export CapCRITICAL
5678 / 2200 MW
258%
SSE–Gregorthie MossCRITICAL
3356 / 1350 MW
249%
SSE–ScottishPower No.2CRITICAL
3639 / 2200 MW
165%
SSEN SouthCRITICAL
2781 / 1800 MW
155%
Harker–Penrith–BarnbyCRITICAL
5981 / 5100 MW
117%
North–South Transfer (B7)CRITICAL
10925 / 9600 MW
114%
Scotland–Harker No.3 (B6)CRITICAL
8018 / 7600 MW
106%
South East Import (PR23)
4361 / 6500 MW
67%
Dresten–Hexham No.1
3258 / 6100 MW
53%
N. Kilmarnock–Gregorthie Moss
3412 / 10000 MW
34%
Greater Manchester–Snowdon 5A
784 / 2800 MW
28%
Eastern Export No.4
316 / 10000 MW
3%
Candlerigg–Dunbar Export
86 / 4000 MW
2%
Ninewells–Selex
207 / 10000 MW
2%
Bolders–Selex No.1
130 / 10000 MW
1%
Candlerigg–Selex
106 / 10000 MW
1%
Dunbar–Selex
52 / 10000 MW
1%
Eastern Export (B6)
62 / 5300 MW
1%
Eastern Export No.3
112 / 10000 MW
1%
Total constraint cost · last 7 days
£32.2m
Thermal + voltage + inertia + largest-loss · source: NESO
Daily total constraint cost (£) — last 30 days
£24.3m£12.2m06-1406-1806-2206-2606-3007-0407-0807-12
Daily cost breakdown (£) · most recent 7 days
DateThermalVoltageInertiaTotal
2026-07-13£354k£1.6m£81k£2.0m
2026-07-12£2.5m£2.3m£1.4m£6.2m
2026-07-11£1.5m£1.8m£0£3.3m
2026-07-10£1.6m£749k£0£2.4m
2026-07-09£4.1m£935k£0£5.1m
2026-07-08£4.2m£835k£0£5.0m
2026-07-07£6.4m£1.8m£0£8.2m