The only guarantee with Oklahoma Natural Gas Co.'s annual voluntary fixed-price plan is that customers can sign up for it. The Tulsa-based statewide utility is offering the fixed-price option for the ...
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OKLAHOMA CITY (KFOR) – Oklahoma Natural Gas (ONG) offers a Voluntary Fixed Price Plan to customers every year, but some say they were never told, and now the deadline has passed. In October 2021, ONG ...
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