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    U.S. power sector emissions ticked back up in 2021, according to annual Ceres benchmarking report


    September 8, 2022 - Targeted News Service

     

      BOSTON, Massachusetts, Sept. 8 (TNSres) -- Ceres, a non-profit organization that is mobilizing many of the world's largest companies and investors to take stronger action on climate change, water scarcity and other global sustainability challenges, issued the following news release:

      Carbon dioxide emissions from the U.S. power sector increased by 7% in 2021 over the previous year, as economies around the world reopened following shutdowns related to the coronavirus pandemic, according to a new benchmark analysis of air emissions of the nation's 100 largest power producers. In 2020, the industry's CO2 emissions had dropped a record 10%, its largest one-year decrease in emissions over the report's 18 editions.

      The 2021 increase disrupted a steady downward trend for all power sector air emissions. It also highlights the need for power providers to take advantage of the clean energy incentives in the recently passed Inflation Reduction Act and rapidly transition to cleaner resources--particularly given the critical near-term role the power sector must play as the nation works to cut its total emissions in half by 2030.

      The report, Benchmarking Air Emissions of the 100 Largest Electric Power Producers in the United States, found that overall, carbon dioxide emissions from U.S. power generation were still about 34% lower in 2021 than their 2007 peak. Power plant SO2 and NOx emissions were 94% and 88% lower, respectively, in 2021 than they were in 1990 when Congress passed major amendments to the Clean Air Act. Overall, zero-carbon generation, which includes renewables, hydro, and nuclear power, is on the rise, hitting an all-time high in 2021 of 40% of all U.S. power.

      "While the power sector has shown marked improvement over our two decades of analysis, we need to see an acceleration of larger emissions cuts across the industry in order to reach our 2030 emissions reduction goals," said Dan Bakal, senior program director of climate and energy at Ceres. "It's important to recognize how far we have come, but impossible to ignore how far we still have to go to meet our critical 2030 goals set by the Paris Accord. While many of the largest power producers have announced climate commitments and strategies to reduce their carbon emissions, the rapid decarbonization required demands increased ambition."

      The recent increase in carbon dioxide emissions was also driven by a rise in coal generation and a decrease in natural gas generation, the report shows, as U.S. natural gas prices increased. While renewable generation ticked up one percentage point between 2020 and 2021, that increase represented a fraction of the 3% to 4% annual increase estimated as necessary to meet global climate goals.

      In coming years, renewable energy and other zero-carbon generation sources will be incentivized in the U.S. as the Inflation Reduction Act provides tax credits for wind, solar, and other carbon-free power sources and billions in targeted grant and loan programs to accelerate the transition to clean electricity. Through incentives for the existing fleet, the legislation also recognizes the contributions of nuclear power plants to the nation's carbon free electricity supply. Electric power is expected to account for a growing share of energy consumption in the U.S. as the transportation sector and other end uses electrify, making a clean power grid a critical part of the pathway to the net zero economy.

      "While heat-trapping carbon emissions rebounded in the power sector last year, compared to 2020 levels in the depths of the pandemic, it's important to note that clean electricity continued forging ahead, reaching all-time highs," said Amanda Levin, director of policy analysis in the science office at the Natural Resources Defense Council (NRDC). "To meet our nation's climate goals, we must accelerate this ongoing shift to clean energy. The enactment of the Inflation Reduction Act, with its substantial clean energy investments, will help galvanize that move, resulting in bending power sector emissions back down and significantly cutting carbon pollution this decade."

      The annual analysis benchmarks key air pollutant emissions, including nitrogen oxide, sulfur dioxide, carbon dioxide, and mercury, from the 100 largest U.S. power producers. It relies upon publicly reported generation and emissions data from the U.S. Energy Information Administration and the U.S. Environmental Protection Agency and provides a useful record of the sector's environmental performance. It consistently shows a decoupling of emissions and GDP, demonstrating that economic growth and emissions reductions can go hand in hand.

      "The electric industry has a long-standing tradition of using technology to solve our nation's toughest energy challenges, and now we must apply that same spirit of innovation to address the incredible human toll of the climate crisis," said Joe Dominguez, president and CEO of Constellation, the nation's largest producer of carbon-free energy. "Building on the foundation of our always-on nuclear fleet, Constellation has committed to produce 100 percent of its electricity from clean, emissions-free resources by 2040, while continuing to invest in solutions that decarbonize our economy and help our customers meet their sustainability goals."

      Relying upon the most recent available data, the report includes extensive analysis of company-level emissions and production data from 2020 as well as evaluation of sector-wide trends for 2021. The 100 largest power producers in the United States collectively accounted for more than 80% of the sector's total generation and reported air emissions across nearly 3,500 owned power plants, while fuel mix, emissions, and emission rates vary widely between companies. Air emissions from power plants are highly concentrated among a small number of producers. For example, nearly a quarter of the electric power industry's sulfur dioxide and carbon dioxide emissions are emitted by just the top two and top five power producers nationally, respectively.

      "The electric utility industry has made important progress over many years delivering increasingly clean energy to our customers," said John Weiss, Entergy's vice president of sustainability and environmental policy. "But there's more we can and must do, which is why Entergy is accelerating our transition to the lower-carbon and more climate resilient future that our customers and communities demand. This annual benchmark continues to help hold us, and the entire industry, accountable for delivering those results."

      Other key findings from the report include:

      * Power plant mercury air emissions, as reported to the EPA's Toxic Release Inventory database, have decreased 93% since 2000. The first-ever federal limits on mercury and other hazardous air pollutants from coal-fired power plants went into effect in 2015.

      * 90 of the top 100 power producers generated power from zero-carbon resources in 2020.

      * Despite a year-over-year decline, for the sixth consecutive year, in 2021 natural gas was the leading source of electricity generation in the U.S. (38%), followed by coal (22%) which experienced a 16% jump in generation from 2020 to 2021.

      * Non-hydro renewables made up 13% of total U.S. generation in 2020. Of that, 29% came from solar, 68% from wind, and 3% from geothermal sources.

      The benchmarking analysis is a collaborative effort between Ceres; Bank of America Charitable Foundation; power producers Constellation Energy and Entergy; and the Natural Resources Defense Council (NRDC). It is authored by ERM.

      * * *

      Original text here: https://www.ceres.org/news-center/press-releases/us-power-sector-emissions-ticked-back-2021-according-annual-ceres

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