The price of natural gas has changed significantly over the last forty years reflecting its volatility or instability. The average annual prices for the residential, commercial, and industrial sectors mimicked each other's movements and kept a steady price spread. From 2012 to 2013, the price of natural gas in the electric power sector increased 95 cents or 25.3 percent, the industrial sector price increased 28 cents or 6.8 percent, the commercial sector price increased 18 cents or 3 percent, while the residential sector decreased 41 cents or 4.9 percent.
In 2013, the residential sector paid the highest price out of all the sectors at $7.89 per billion cubic feet. The commercial sector's price was the next highest at $6.10, the electric power sector's price was $4.70, and the industrial sector's price was $4.43 per billion cubic feet.
The prices are in nominal dollars to provide a better comparison.