get https://api.modoenergy.com/pub/v1/gb/national-grid/system/gas-prices
Daily and rolling average System Average Price (SAP) of gas traded in Great Britain. The SAP price is the average price for gas traded via the OCM (On-the-day Commodity Market) mechanism.
| Data source | National Grid |
| Historical Data | 2018-09-17 |
| Update frequency | Daily at 08:00 UTC |
| Granularity | 1 h |
| Subscription type | Free |