GB gas price and gas demand daily
Daily figures for the gas transmission system of Great Britain from National Gas Transmission: the System Average Price (SAP) and the system marginal buy and sell prices used to settle imbalances, total demand on the National Transmission System, and gas taken off the system by distribution networks (homes and businesses), power stations, large industrial sites, storage injection and exports through the interconnectors to Belgium, the Netherlands and Ireland; and gas entering the system from UK Continental Shelf and Norwegian pipelines, LNG terminals, import interconnectors and storage.
| Indicator | 26-09-2026 | 25-09-2026 | 24-09-2026 | 23-09-2026 | 22-09-2026 | 21-09-2026 | 20-09-2026 | 19-09-2026 | 18-09-2026 | 17-09-2026 | 16-09-2026 | 15-09-2026 | 14-09-2026 | 13-09-2026 | 12-09-2026 | 11-09-2026 | 10-09-2026 | 09-09-2026 | 08-09-2026 | 07-09-2026 | 06-09-2026 | 05-09-2026 | 04-09-2026 | 03-09-2026 | 02-09-2026 | 01-09-2026 | 31-08-2026 | 30-08-2026 | 29-08-2026 | 28-08-2026 | 27-08-2026 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gas prices3 | ||||||||||||||||||||||||||||||||
| System Average Price (SAP) | 6.22 | 6.1 | 6.4 | 6.18 | 6.15 | 6.55 | 6.75 | 6.71 | 6.68 | 6.58 | 6.63 | 6.61 | 7 | 6.96 | 6.8 | 6.83 | 6.91 | 6.68 | 6.4 | 6.28 | 6.36 | 6.39 | 6.07 | 6.01 | 6.18 | 6.03 | 5.7 | 5.55 | 5.52 | 5.52 | 5.61 | |
| System Marginal Buy Price | 6.31 | 6.17 | 6.6 | 6.24 | 6.21 | 6.61 | 6.81 | 6.77 | 6.79 | 6.64 | 6.69 | 6.67 | 7.07 | 7.17 | 6.86 | 6.89 | 7.04 | 6.81 | 6.57 | 6.34 | 6.45 | 6.47 | 6.22 | 6.08 | 6.28 | 6.33 | 5.78 | 5.66 | 5.59 | 5.58 | 5.74 | |
| System Marginal Sell Price | 6.16 | 6.04 | 6.33 | 6.01 | 5.96 | 6.4 | 6.68 | 6.64 | 6.61 | 6.52 | 6.57 | 6.38 | 6.94 | 6.89 | 6.73 | 6.72 | 6.85 | 6.62 | 6.34 | 6.21 | 6.29 | 6.33 | 6.01 | 5.95 | 6.12 | 5.96 | 5.64 | 5.48 | 5.44 | 5.44 | 5.54 | |
| NTS demand including exports | 114.14 | 136.28 | 142.21 | 134.46 | 145.61 | 136.79 | 106.21 | 110.91 | 105.08 | 105.16 | 115.02 | 122.86 | 114.57 | 118.54 | 113.19 | 115.06 | 109.46 | 112.72 | 108.78 | 104.53 | 92.41 | 93.76 | 92.51 | 96.55 | 113.82 | 108.98 | 118.79 | 110.59 | 117.89 | 137.03 | 158.02 | |
| Offtake by use5 | ||||||||||||||||||||||||||||||||
| Offtake to distribution networks (LDZ) | 555.19 | 577.53 | 595.67 | 532.76 | 520.34 | 576.96 | 511.98 | 489.31 | 595.65 | 571.98 | 564.15 | 499.14 | 481.5 | 467.23 | 486.59 | 545.31 | 604.2 | 578.05 | 571.82 | 496.1 | 449.69 | 459.58 | 492.8 | 483.93 | 510.69 | 516.48 | 453.99 | 420.48 | 414.49 | 440.65 | 500.58 | |
| Offtake to power stations | 268.41 | 416.92 | 352.84 | 346.97 | 554.4 | 472.57 | 230.85 | 203.47 | 187.58 | 180.04 | 333.86 | 220.02 | 416.25 | 492.26 | 179.78 | 362.58 | 284.14 | 334.21 | 221.95 | 235.42 | 163.54 | 158.74 | 193.74 | 165.2 | 374.99 | 307.92 | 144.77 | 178.34 | 222.67 | 166.22 | 407.21 | |
| Offtake to large industrial sites | 17.99 | 20.19 | 29.74 | 15.8 | 30.79 | 26.64 | 21.24 | 11.93 | 13.91 | 13.46 | 12.66 | 19.14 | 22.5 | 23.77 | 22.8 | 32.4 | 24.61 | 28.96 | 21.99 | 22.86 | 21.05 | 23.14 | 25.7 | 22.93 | 26.39 | 25.12 | 22.45 | 25.18 | 26.06 | 24.72 | 27.6 | |
| Injection into storage | 36.74 | 26.3 | 25.88 | 23.5 | 16.6 | 23.6 | 141.29 | 268.85 | 121.88 | 106.74 | 34.33 | 300.03 | 23.56 | 26.7 | 269.73 | 39.39 | 21.63 | 5.74 | 108.49 | 98.26 | 97.07 | 79.55 | 28.7 | 99.6 | 18.2 | 28.11 | 26 | 24.62 | 36.34 | 139.04 | 54.04 | |
| Exports through interconnectors | 381.49 | 463.97 | 573.91 | 575.02 | 493.99 | 419.67 | 274.5 | 258.53 | 247.62 | 293.05 | 328.99 | 325.86 | 324.67 | 303.76 | 300.93 | 296.34 | 280.67 | 306.16 | 288.01 | 310.93 | 298.85 | 323.17 | 292.54 | 306.5 | 337.69 | 340.06 | 676.68 | 576.89 | 605.53 | 746.03 | 757.81 | |
| Supply: gas entering the NTS, all entry points4 | 1,290.56 | 1,560.99 | 1,633.46 | 1,641.95 | 1,755.09 | 1,647.89 | 1,263.1 | 1,211.15 | 1,214.74 | 1,223.85 | 1,401 | 1,484.42 | 1,363.92 | 1,448.36 | 1,349.14 | 1,333.86 | 1,314.42 | 1,351.63 | 1,268.05 | 1,235.02 | 1,196.28 | 1,160.23 | 1,127.87 | 1,178.89 | 1,345.43 | 1,285.13 | 1,404.76 | 1,286.58 | 1,368.05 | 1,605.83 | 1,846.1 | |
| Supply: UK Continental Shelf and Norway (beach terminals) | 933.15 | 940.76 | 1,073.05 | 1,150.28 | 1,114.35 | 1,087.5 | 1,152.89 | 1,098.71 | 1,079.36 | 1,078.24 | 1,158.44 | 1,348.92 | 1,150.23 | 1,144.13 | 1,235.47 | 1,165.71 | 1,123.63 | 1,185.74 | 1,149.68 | 1,062.34 | 980.68 | 921.56 | 944.85 | 1,044.79 | 1,008.58 | 1,116.67 | 1,117.3 | 1,074.39 | 1,109.34 | 1,466.01 | 1,635.39 | |
| Supply: LNG import terminals | 54.34 | 54.3 | 92.36 | 109.88 | 142.08 | 113.88 | 54.3 | 54.3 | 54.31 | 54.31 | 72.02 | 71.98 | 63.97 | 54.3 | 54.32 | 54.32 | 54.31 | 54.31 | 54.33 | 54.51 | 54.33 | 54.31 | 54.51 | 54.31 | 54.31 | 54.31 | 56.04 | 54.09 | 54.07 | 72 | 71.98 | |
| Supply: imports through interconnectors | 15.68 | 15.68 | 11.04 | 11.01 | 11.04 | 11.04 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.23 | 0.22 | 0.22 | 0.24 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.22 | 0.07 | 0.07 | 0.13 | 0.07 | 0 | 9.32 | 9.32 | 9.32 | 12.94 | 10.56 | |
| Supply: withdrawals from storage | 233.39 | 496.13 | 405.42 | 318.81 | 434.1 | 383.97 | 1.45 | 3.43 | 26.75 | 37.57 | 117 | 10.49 | 97.02 | 195.95 | 5.08 | 59.84 | 83.04 | 58 | 11.36 | 65.57 | 107.5 | 130.94 | 75.58 | 26.67 | 229.58 | 61.79 | 170.31 | 96.75 | 142.84 | 2.81 | 75.96 |
Latest reading
System Average Price (SAP) stood at 6.22 Pence per kWh in Sep 26, 2026. That is +1.9% from Sep 25, 2026 and +125.8% from a year earlier. The series on this page is daily and runs from Sep 20, 2021 to Sep 26, 2026. Source: National Gas Transmission — Data Portal.
- Latest
- 6.22 Pence per kWh
- Sep 26, 2026
- vs previous period
- +1.9%
- Sep 25, 2026
- vs a year earlier
- +125.8%
Look up any date
Pick a date between Sep 20, 2021 and Sep 26, 2026 to see every series in this table on that day. If there is no reading that day (weekend, holiday, or a weekly release), the last reading before it is shown.
About this data
Daily figures for the gas transmission system of Great Britain from National Gas Transmission: the System Average Price (SAP) and the system marginal buy and sell prices used to settle imbalances, total demand on the National Transmission System, and gas taken off the system by distribution networks (homes and businesses), power stations, large industrial sites, storage injection and exports through the interconnectors to Belgium, the Netherlands and Ireland; and gas entering the system from UK Continental Shelf and Norwegian pipelines, LNG terminals, import interconnectors and storage. Days are gas days, starting at 05:00. The portal keeps five years of history.
Frequently asked questions
- What does the System Average Price measure?
- The System Average Price (SAP) measures the weighted average price of all gas traded on the Great Britain National Transmission System for each balancing day, expressed in pence per kWh.
- How often are Great Britain gas market data published?
- Great Britain gas prices, supply flows and offtake demand are published daily by National Gas Transmission, with historical series recorded in this table since 2021.
- What gas supply sources are included for Great Britain?
- Supply series cover gas entering the National Transmission System from UK Continental Shelf and Norwegian beach terminals, LNG import terminals, interconnectors and withdrawals from storage.
- How is gas demand categorised in Great Britain?
- Offtake demand is broken down by local distribution networks, power stations, large industrial sites, storage injection and exports through interconnectors to Belgium, the Netherlands and Ireland.
