STORY: Why are U.S. natural gas prices soaring?
Several factors have pushed the cost up by around 90% since March
It's hotter by as much as 15 degrees F than normal in many parts of the U.S.
Cooling demand is up from Texas to Northern California
Most U.S. power generators rely on gas to produce electricity
The gas market is surging alongside oil and coal markets
Russian sanctions mean countries are scrambling for alternative energy supplies
Demand for liquefied natural gas from the U.S. is rising globally
Expectation of a continued call for exports is boosting prices at home
Gas storage is lower than normal due to demand and supply concerns
U.S. levels are about 16% below the five-year average, at 1.567tln cubic feet