142 results
8-K
EX-99.1
Southwestern Electric Power Co
26 May 23
Other Events
7:17am
and will likely take effect for the 2023 ozone season. Management is evaluating the impacts of the rule changes.
Climate Change, CO2 Regulation and Energy Policy
PX14A6G
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3 Apr 23
Letter to shareholders
10:09am
PX14A6G
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7 Apr 22
Letter to shareholders
6:01am