# Source terms and attribution EIA numerical data are in the US public domain. Retain acknowledgement of EIA and the September 2026 Monthly Energy Review. EIA logos and protected third-party media are not included. Original Meplar charts and code are separate works; no new license for them is asserted here. US EIA, Monthly Energy Review, September 2026, Table 8.1: https://www.eia.gov/totalenergy/data/browser/csv.php?tbl=T08.01 EIA nuclear definitions: https://www.eia.gov/totalenergy/data/monthly/pdf/sec8.pdf Data rights reference: https://www.eia.gov/about/copyrights_reuse.php