SPRINGFIELD, Mass. -- Big Y Foods here has reaped annual energy savings of $500,000 across six stores through more efficient refrigeration and lighting systems.
ion kilowatt hours annually, Big Y officials said.
The new systems were installed in Big Y stores in Springfield and West Springfield, Mass., as well as four stores in Connecticut.
Officials from the Western Massachusetts Electric Co., a subsidiary of Northeast Utilities, Hartford, Conn., worked with Big Y de