The natural gas grid has its own vulnerabilities, especially in cold weather. It is interconnected to the electric power gird, and once down, it is costly and time-consuming to restart.

A D.C.-area company and the Scripps Institution of Oceanography will announce Wednesday they are launching what promises to be the world’s largest sensor network aimed at measuring the precise ...

National Grid Plc, the operator of the U.K.’s electricity and natural gas networks, plans to sell a majority stake in its domestic gas grid to focus on faster growing businesses areas.. The ...