Electrical Grid (IMAGE) Penn State Caption Despite economic woes that could shutter two of Pennsylvania's nuclear power plants -- which generate 6 percent of the state's power -- power prices will remain steady due to low natural gas prices, according to Seth Blumsack, associate professor of energy policy and economics, Penn State. Credit Seth Blumsack, Penn State Usage Restrictions Non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.