Working and net available shell storage capacity as of September 30, 2019 is the U.S. Energy Information Administration's (EIA) report containing semi-annual storage capacity data. It includes three tables detailing working and net available shell storage capacity by facility type, product, and PAD District as of September 30. Semi-annual EIA projects air-conditioning energy use to grow faster than any other use in buildings ›. In the Annual Energy Outlook 2020 (AEO2020) Reference case, the U.S. Energy Information Administration (EIA) projects that delivered energy for air conditioning will increase more than any other end use in residential and commercial buildings (also known as the buildings sector) through 2050, while Working gas in storage was 2,043 Bcf as of Friday, March 6, 2020, according to EIA estimates. This represents a net decrease of 48 Bcf from the previous week. Stocks were 796 Bcf higher than last year at this time and 227 Bcf above the five-year average of 1,816 Bcf.