Bear Swamp is a pumped storage hydroelectric generating facility on the Deerfield River in Rowe, MA. Its capacity is 600 megawatts.
The map shows the storage reservoir on top of the mountain. The generating station is underground.
See:
http://www.emera.com/mediactr/DOC/BearSwampFactSheet.pdf
http://www.berkshireweb.com/sports/comp/bearswamp.html
Power - Hydro
Links: en.wikipedia.org
By: skyeye