City agreements with power companies and an inability to adequately measure components of its lighting infrastructure may be blocking a way for Portland to reduce energy and save money.
Oregon groups are debating the pros and cons of eliminating the wind energy tax credit.
As coal plants release more carbon emissions, nuclear power is considered as an alternative.
The state's largest ground-mounted solar facility is being installed at a Gresham plant.
Two Oregon utilities are participating in a federal program to promote user efficiency.