The energy economy in developed similarly to the rest of , but with some delay until 1850. There are three different periods. An agrarian society until the mid-nineteenth century, Switzerland's small scale energy economy was based on wood and biomass (plants feeding the animal and human labour), which was in general renewable energy. Also used were and , and, from the eighteenth century, indigenous .
[pdf] The is a net importer of energy, in the form of products. Total energy consumption was 1,677,278,000 BTU (1.77 TJ) in 2017, of which 811,000,000 (0.86 TJ) was in the form of oil. In 2012 47% of imported oil was used in the transport sector, 30% in aviation, and 27% for electricity generation. Electricity consumption is 31.6 GWh, from 14 MW of installed generation capacity, with most load concentrated on the main island of . Per-capita el.
[pdf] 艾莉索峡谷天然气泄露事故（又称波特牧场气体泄露事故 ）指自2015年10月23日起圣塔苏珊娜山脉（英语：）内靠近波特牧场（英语：）的艾莉索峡谷地下储存设施发生的大规模、不可控、持续天然气泄露事故 。此处是全美第二大天然气储存设施，隶属于森普拉能源（英语：）的子公司南加州天然.
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