How is the price of natural gas determined?

Natural gas is a commodity traded on the open market and its price is not regulated. The price goes up and down based on the balance between supply and demand across North America. There are various factors that influence these price fluctuations. Supply is affected by production and gas stored in inventory and demand is affected by weather and other factors. You can reference the market price of natural gas quoted on the New York Mercantile Exchange (NYMEX) in various publications, such as The Wall Street Journal, Platts Gas Daily, Inside FERC, and others.