CIG Index
A pipeline index published monthly that reflects the market value of natural gas in the Wyoming-Colorado area.
Market Index Adder
Charges above the commodity (gas) cost to cover transportation, storage and other components for the commodity.
NYMEX (New York Mercantile Exchange)
The natural gas commodity exchange on which gas futures contracts are purchased and sold to lock in gas prices.
Therm
The unit of measure used to determine the quantity of natural gas you are receiving at a particular rate. The typical household uses about 1,000 therms per year.
