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From Climate Extra
Power Sector Rules Bring ‘Modest And Manageable’ Grid Effects, EPA Says

Compliance with EPA’s just-completed power plant greenhouse gas requirements and several other new rules for the sector will impose relatively few risks to adequate power supply, the agency says in new analysis, offering a rebuttal to attacks from industry and their allies that the rules will spark major reliability problems.

EPA Defends Regulation Of ‘Management Units’ In Final ‘Legacy’ CCR Rule

EPA’s final rule governing “legacy” coal combustion residual (CCR) surface impoundments largely codifies a proposed version floated last year, but aims to bolster its justification for regulating the class of facilities termed CCR management units (CCRMU) following an industry backlash, even as it slightly narrowed mandates for the category.

EPA Broadens ‘Zero Discharge’ Mandate In Final Power Plant Effluent Rule

EPA’s final rule tightening effluent limitation guidelines (ELG) for coal-fired power plants sets a “zero discharge” limit on pollutants from three categories of wastewater, rather than the two it proposed, and adds numeric limits on arsenic and mercury groundwater releases -- both changes sought by environmentalists who said the proposal was too narrow.

MATS Update Tightens Air Toxics, Mercury Limits In Line With Proposal

EPA’s final rule updating mercury and air toxics standards (MATS) for power plants hews closely to the proposed version, cutting a mercury limit for plants using lignite coal to that applicable to other coal plants, and tightening a limit for particulate matter (PM) as a “surrogate” for other metals by two-thirds, with officials projecting no plant closures from the rule.

From Climate Extra
EPA Defends ‘Forward-Looking’ Power Plant GHG Standards Based On CCS

EPA in just-finalized power plant greenhouse gas standards is offering a broad defense of its key finding that carbon capture and storage (CCS) is an “adequately demonstrated” technology that can serve as the basis for strict standards in the rule, outlining the agency’s stance in one of the most prominent issues that will be raised in litigation.

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