# USgrid 0.0.9000 Notes

Add 3 series:

* `US_elec`  - the total hourly demand and supply (generation) for electricity in the US since July 2015

* `US_source` - the hourly demand for electricity in the US by energy source (natural gas, coal, solar, etc.) since July 2018

* `Cal_elec` - The California subregion hourly demand by operator since July 2018

All series updated up to Dec 31 2019

* Added a `NEWS.md` file to track changes to the package.
