get https://api.modoenergy.com/pub/v1/us/ercot/modo/bess-index
Modo battery revenue index in ERCOT for each delivery interval. 60-day delayed data.
| Data source | Modo Energy |
| Historical Data | 2020-01-01 |
| Update frequency | Every 30 min |
| Granularity | 15 min |
| Subscription type | Free |