get https://api.modoenergy.com/pub/v1/us/ercot/rtm/historical-prices
Historical RTM Settlement Point Prices (SPPs) for each of the Hubs and Load Zones.
| Data source | ERCOT |
| Historical Data | 2010-12-01 |
| Update frequency | 10:00 UTC every Monday |
| Granularity | 15 min |
| Subscription type | Free |