To report emergencies, call 911 and National Grid immediately.

In case of gas emergencies:

Massachusetts: 1-800-233-5325 and 911
Rhode Island: 1-800-640-1595 and 911
New York:
  Long Island and the Rockaways:
  1-800-490-0045 and 911
  Metro NY: 911 and 1-718-643-4050
  Upstate NY: 1-800-892-2345 and 911

In case of electric emergencies:

New England: 1-800-465-1212 and 911

Upstate New York: 1-800-867-5222 and 911