Recently the FERC held a technical conference on Natural Gas Indices. Back in March 2017, I was asked by the the Natural Gas & Electricity Journal to write about natural gas indices. I hope the article below will provide a good overview of the issues and stimulate discussion.
"Russo, T. (2017, August). Using natural gas price indices. Natural Gas & Electricity 34/1, ©2017 Wiley Periodicals, Inc., a Wiley company."