The regulation of electricity, natural gas, oil, and the entire hydropower industry in the US is governed by FERC or the Federal Energy Regulatory Commission. As the commission has launched a mandate for all these companies to submit their quarterly and annual accounts and operations information in XBRL format, the companies are leveraging the adoption of a new format to also evaluate existing processes, mitigate risk, and drive efficiencies and control within their FERC form filing processes.
https://ez-xbrl.com/blog/ferc-xbrl-compliance-are-you-ready/