Holyoke Gas and Electric was created in 1902 as a public city department from the electrical division of the private Holyoke Water Power Company.
A Jet Gas Turbine was purchased in December of 1963 and dedicated October 14 1964.
A 6,250 KVa number 9 generator was installed in 1941.
At 5:16 PM of November 9 1965 the Northeast Blackout hit the USA. This was the largest electrical blackout in American history.
In 1967, a new 13 kV aerial cable and 2000 KVA transformer are installed at the Mt Tom Ski area.