Portland General Electric’s proposal to phase out Oregon’s sole coal-burning power plant 20 years ahead of schedule means the state will soon be losing its largest source of pollution from greenhouse gases, sulfur dioxide and nitrous oxide. It also means we will lose a reliable workhorse that has helped keep electricity rates relatively low in Oregon. Replacing the Boardman coal plant will not be easy.
The seemingly obvious solution for making up for that lost power would be to build a new power plant fueled by natural gas. Gas releases about half as much carbon dioxide as coal, and it is extremely reliable and easy to fire up on demand, to back up renewable resources when the wind is not blowing and the sun is not shining.
But I don’t like the idea of replacing one imported fossil fuel with another. I don’t trust natural gas prices. They are low because of the recession but they have a long record of volatility. Cranking up another cookie cutter gas plant may be tempting, but it is far from innovative. And it would cut jobs rather than creating them, because coal plants provide more jobs than gas plants.