According to
Mayor Peter Cavallaro: Residents Can Save Eight Percent on Gas Bill, "Westbury Village Mayor Peter Cavallaro announced “good news for residents” as the village is offering a savings program through East Coast Power and Gas for residents to potentially save up to eight percent off natural gas costs."
The article continues, "The offer is open to village residents and any other interested residents as well."
More information is available here,
Nassau County Village Officials Association, and here,
East Coast Power and Gas: NVOA.