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
£159.45/MWh
↑ 25.6% vs SP46SP47 · 22:00 UTC
MARKET INDEX (MID)
£159.45/MWh
APXMIDP average · SP47
System Sell Price — last 96 settlement periods (48h)
£25£50£75£100£125£150£175£200£225£250£275£30022:30 UTC04:30 UTC10:30 UTC16:30 UTC22:30 UTC04:30 UTC10:30 UTC16:30 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
SSE–Gregorthie MossSSE+GRMO296%
SSE–ScottishPower No.2SSE-SP2290%
SSEN SouthSSEN-S286%
Greater Manchester–Snowdon 5AGM+SNOW5A167%
North–South Transfer (B7)FLOWSTH101%
GM_SNOW5AGM_SNOW5A81%
GB schematic · day-ahead flows
SCOTLANDSCOTEX-1922/5200 MW↕ 3004/6100 MW (49%)N. ENGLANDHARSPNBLY-2011/6200 MW→ 11572/11500 MW (101%)S. ENGLANDESTEX-26/5400 MW<70%70–90%>90%
All boundaries · sorted by utilisation
SSE–Gregorthie MossCRITICAL
5030 / 1700 MW
296%
SSE–ScottishPower No.2CRITICAL
5078 / 1750 MW
290%
SSEN SouthCRITICAL
4009 / 1400 MW
286%
Greater Manchester–Snowdon 5ACRITICAL
2088 / 1250 MW
167%
North–South Transfer (B7)CRITICAL
11572 / 11500 MW
101%
GM_SNOW5A
1660 / 2050 MW
81%
South East Import (PR23)
4477 / 6700 MW
67%
SSE_GRMO
952 / 1700 MW
56%
Scotland–Harker No.3 (B6)
3004 / 6100 MW
49%
Scotland Export Cap
1922 / 5200 MW
37%
Harker–Penrith–Barnby
2011 / 6200 MW
32%
SSE_SP2
422 / 1750 MW
24%
SSEN_S
280 / 1400 MW
20%
Dresten–Hexham No.1
734 / 6450 MW
11%
N. Kilmarnock–Gregorthie Moss
754 / 10000 MW
8%
Eastern Export No.4
465 / 10000 MW
5%
Bolders–Selex No.1
317 / 10000 MW
3%
Eastern Export No.3
222 / 10000 MW
2%
Ninewells–Selex
171 / 10000 MW
2%
Candlerigg–Dunbar Export
20 / 3800 MW
1%
Candlerigg–Selex
19 / 3250 MW
1%
Dunbar–Selex
13 / 10000 MW
0%
Eastern Export (B6)
26 / 5400 MW
0%
Total constraint cost · last 7 days
£96.7m
Thermal + voltage + inertia + largest-loss · source: NESO
Daily total constraint cost (£) — last 30 days
£35.7m£17.8m09-1209-1609-2009-2409-2810-0210-0610-10
Daily cost breakdown (£) · most recent 7 days
DateThermalVoltageInertiaTotal
2026-10-11£664k£962k£968k£2.6m
2026-10-10£23.2m£584k£386k£24.2m
2026-10-09£18.5m£1.1m£679k£20.3m
2026-10-08£4.4m£1.5m£676k£6.6m
2026-10-07£2.4m£148k£31k£2.6m
2026-10-06£11.8m£66k£0£11.9m
2026-10-05£28.4m£264k£0£28.6m