Established in 1995 following a merger between Prospect Electricity and Illawarra Energy. It was the second largest state-owned energy corporation in New South Wales.
In 2011, the NSW state government sold Integral’s retail division to Origin Energy. Integral’s network division was renamed Endeavour Energy, which currently spans over 24,500 square kilometres over the Greater Western Sydney, the Illawarra, and the Southern Highlands districts of NSW.
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