Northeast Utilities P.O. Box 270 Hartford, CT 06141-2070 (800) 286-5000 www.wmeco.com

BERLIN, Connecticut, April 26, 2007 — The Western Massachusetts Electric Company (WMECO), part of the Northeast Utilities System (NYSE: NU), is strengthening high-voltage transmission lines using a splice technology and maintenance method that is new to southern New England. The state-of-the-art process enhances the WMECO transmission system to provide safe and reliable electricity for customers.

The upgrade calls for replacing hundreds of connectors, installed more than 40 years ago, with new connectors. The work creates a sound that is similar to a loud clap of thunder. The process is safe and has been approved by federal, state and local officials.

WMECO will be performing this work in Wilbraham, Ludlow and Hampden. The work will take about 10 days to complete and is conducted between the hours of 9 a.m. and 4 p.m., weather permitting.
The schedule is:
· Wilbraham, April 25, 26, May 1, 2, 5
· Ludlow, April 25, May 4
· Hampden, April 28, 30, May 3, 5

More information about NU’s transmission projects is available at www.transmission-nu.com.


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Western Massachusetts Electric Company, part of the Northeast Utilities System (NYSE:NU), serves approximately 200,000 customers in 59 communities throughout western Massachusetts and is committed to the environment, economic development and the health of the communities it serves. For more information about WMECO, visit www.wmeco.com.

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