据8月13日Oil Monster消息：美国能源信息署表示，随着煤炭消费量的增加，预计天然气价格上涨将导致能源行业二氧化碳排放量增加。
根据EIA的《短期能源展望》，随着经济活动的增长，能源行业的二氧化碳排放量将在2021年增加7%，达到49亿吨。该行业的排放量在2020年下降了11%。
值得注意的是，由于天然气价格上涨，预计2021年煤炭发电量将增加，这是气候变暖排放大幅增加的部分原因。由于煤炭占电力的比重较大，预计与煤炭相关的二氧化碳排放量今年将增加17%。
EIA代理署长Steve Nalley在一份新闻稿中说:“尽管随着美国经济的开放，与能源相关的二氧化碳排放量大幅增长，但我们认为这些排放量不会回到疫情前的水平，至少在短期内不会。”
该机构预计，到2022年，能源行业的二氧化碳排放量将再增加1%，煤炭在排放量中的份额将下降7%。预计2021年天然气在发电中的份额将低于2020年的水平。
冯娟 摘译自 Oil Monster
原文如下：
High Natural Gas Prices Lead to Increased Coal Generation, 2021 Carbon Emissions
Higher natural gas prices are projected to contribute to an increase in energy sector carbon dioxide emissions as coal consumption rises, the US Energy Information Administration said Aug. 10.
Carbon dioxide emissions from the energy sector will increase 7% to 4.9 billion mt in 2021 given growing economic activity, according to the EIA's Short-Term Energy Outlook. The sector's emissions fell 11% in 2020.
Notably, the projected 2021 increase in coal generation amid higher natural gas prices is partially to blame for the significant increase in climate-warming emissions. Coal-related CO2 emissions are expected to increase 17% this year as coal contributes a larger share of electricity.
"Despite significant growth in energy-related CO2 emissions as the US economy opens up, we don't see these emissions returning to pre-pandemic levels, at least in the short term," EIA Acting Administrator Steve Nalley said in a release.
In 2022, the agency expects the energy sector's CO2 emissions to rise another 1%, with coal's share of emissions falling 7%. Natural gas' share of power generation is projected in 2021 to decline from 2020 levels.
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