Development

• Added support for using poetry for dependency management for local development
• Dropped support for Python 3.8

SPP

• Add spp.get_solar_and_wind_forecast_short_term and spp.get_solar_and_wind_forecast_mid_term for solar and wind forecasts
• Add spp.get_load_forecast_short_term and spp.get_load_forecast_long_term for load forecasts
  • This overlaps with the existing spp.get_load_forecast method, which we want to eventually remove in favor of these two methods.
• Add support for operating reserves

EIA

• Add support to specify facets in get_dataset

ERCOT

• Added initial support for using the ERCOT API (requires a user-supplied API key)