Feature request: fine tune power plants emission parameters

# :rocket:

- [X] Is your feature request essential for your project?
Not urgent

### Describe the workflow you want to enable
Learn from [grid emission open source model](https://www.canarymedia.com/articles/emissions-reduction/open-sourcing-the-grid-emissions-data-needed-for-24-7-clean-energy?utm_campaign=canary&utm_medium=email&_hsmi=224533712&_hsenc=p2ANqtz-9eLs-gsMZRQbe7STz4eTqhzdhI7IWukEvy8oHut7BxqRFJZnEdDrzrsniogZr9xE6U20iLjEnJ4r7eGP9NpIhUizubGmuLAH587UZOjSNYiNLxNgE&utm_source=newsletter): and refine our emission parameters
### Describe your proposed implementation
TBD

### Describe alternatives you've considered, if relevant
TBD