World Power Monitor data files
https://worldpowermonitor.com/data/

Numbers are raw values with units in the column names or a unit column, never formatted strings.
Reuse is free. Keep the attribution for each dataset with any copy or derived work.

Annual electricity generation, demand and emissions by country
  Files: ember-annual-generation.csv, ember-annual-summary.csv, country-summary.json
  Source: Ember (ember-energy.org), licensed under CC BY 4.0.
  Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
  Changes: Restructured into tidy tables, with fuel categories named by World Power Monitor fuel ids. Ember's values are not altered.
  Page: https://worldpowermonitor.com/data/ember-annual/

Monthly electricity generation and demand by country
  Files: ember-monthly-generation.csv
  Source: Ember (ember-energy.org), licensed under CC BY 4.0.
  Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)
  Changes: Restructured into a tidy table, with fuel categories named by World Power Monitor fuel ids. Ember's values are not altered. Ember's monthly price series is not included.
  Page: https://worldpowermonitor.com/data/ember-monthly/

US grid region daily electricity demand and generation
  Files: eia-us-grid-daily.csv
  Source: U.S. Energy Information Administration (EIA).
  Licence: US Government work, public domain (https://www.eia.gov/about/copyrights_reuse.php)
  Changes: Hourly EIA-930 values were summed to daily totals in each region's local time by World Power Monitor. The US Lower 48 row overlaps the other regions; do not add them together.
  Page: https://worldpowermonitor.com/data/eia-us-grid-daily/

European cross border physical electricity flows
  Files: europe-flows-borders.csv, europe-flows-zones.csv
  Source: ENTSO-E Transparency Platform (transparency.entsoe.eu), CC BY 4.0. Aggregated and converted by World Power Monitor; ENTSO-E does not endorse this site.
  Licence: ENTSO-E Terms of Use plus CC BY 4.0 for listed data items (https://transparencyplatform.zendesk.com/hc/en-us/articles/40921911218961-Legal-Terms-and-Conditions)
  Changes: Flows were aggregated over the period per border and direction by World Power Monitor. ENTSO-E does not endorse this site.
  Page: https://worldpowermonitor.com/data/europe-cross-border-flows/