37 results
10-K
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22 Feb 19
Annual report
12:00am
8-K
EX-99
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25 May 18
Merger of Great Plains Energy and Westar Energy Approved, Paving Way for Benefits to Customers, Communities and Shareholders
4:11pm
8-K
EX-99.1
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25 Feb 15
Westar Energy Announces 2014 Results
12:00am
8-K
EX-99.1
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7 Aug 13
WESTAR ENERGY ANNOUNCES 2nd QUARTER 2013 RESULTS
12:00am