NRG mothballs its #PetraNova carbon capture unit, continues running Parish coal plant without any CO2 controls (& no SO2 controls at 3 units). CCS captured 3.9 MM tons CO2 & produced enough oil to emit 2 MM tons, plus emissions from NG to power C capture. https://www.eenews.net/eenewspm/2020/07/28/stories/1063645835
CARBON CAPTURE: Low oil prices force Petra Nova into 'mothball status'

The nation's lone large-scale commercial carbon capture power plant is currently not capturing carbon dioxide.

https://www.eenews.net/eenewspm/2020/07/28/stories/1063645835
The natural gas needed to run #PetraNova carbon capture process offset around a quarter of the C captured, before accounting for methane leaks in producing and transporting the NG, energy to pipe the CO2, or the CO2 from burning the recovered oil.
https://www.eia.gov/todayinenergy/detail.php?id=33552
Because its other three coal units don't control SO2 emissions, our research has found air pollution from Parish to cause more deaths than any other coal plant in Texas. https://www.tandfonline.com/doi/full/10.1080/10962247.2018.1537984
Air quality and health benefits from potential coal power plant closures in Texas

(2019). Air quality and health benefits from potential coal power plant closures in Texas. Journal of the Air & Waste Management Association: Vol. 69, No. 3, pp. 333-350.

https://www.tandfonline.com/doi/full/10.1080/10962247.2018.1537984
IIRC, the $190 million DOE grant required #PetraNova to capture carbon for at least 3 years. This mothballing of the carbon capture equipment comes soon after DOE celebrated Petra Nova's third birthday.
https://www.energy.gov/fe/articles/happy-third-operating-anniversary-petra-nova
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