Washington Utilities and Transportation Commission
A commodity is any bulk good traded on an exchange or in the cash market for which there is demand, the same no matter who produces it.
A Purchase Gas Adjustment (PGA) is a regulatory tool used by the UTC to adjust the price of natural gas to reflect the changing cost of gas in the wholesale market. The single largest cost of operating a gas company is purchasing gas to sell to customers.
For More Information
Joanna Huang, Regulatory Analyst, (360) 664-1317