It formerly housed the head offices of the Illawarra County Council, which has since become Integral Energy.
Kurrajong Heights has five communications towers that house two-way radio equipment for Integral Energy and Hawkesbury City Council and various other uses.
United States Department of Energy | International Atomic Energy Agency | Leadership in Energy and Environmental Design | Department of Energy | United States Atomic Energy Commission | renewable energy | energy | International Energy Agency | Valero Energy Corporation | United States House Committee on Energy and Commerce | solar energy | Energy | Efficient energy use | California Institute of Integral Studies | Origin Energy | EDF Energy | integral | Nuclear Energy Agency | German nuclear energy project | Federal Energy Regulatory Commission | dark energy | Pakistan Atomic Energy Commission | Energy Star | Devon Energy | Constellation Energy | Westar Energy | Progress Energy Inc | Path integral formulation | path integral formulation | Monster Energy |
In 2010 and 2011, Roozendaal was criticised for the deal he brokered, as Treasurer of New South Wales, to privatise some of the NSW Government's electricity assets; the retail branches of Integral Energy and Country Energy were sold to Origin Energy in December 2010.