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Congestion Watch Blog

RGGI Auction 59 – Clearing Price of $12.50/ton | Emissions Watch Blog

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The most recent RGGI quarterly auction (Auction 59) was held on March 8, 2023. The clearing price was $12.50/ton, 3.8% lower than the clearing price of $12.99/ton on December 7, 2022 (see Figure 1). Auction 59 represents the third consecutive auction with a clearing price at least three percent lower than the previous auction. The trend of lower clearing prices in recent auctions is notable given that clearing prices had increased in 12 consecutive auctions from September 2019 through June 2022.

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Congestion Watch Blog

PM2.5 and NAAQS Update | Emissions Watch Blog

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The U.S. Environmental Protection Agency (EPA) issued a proposed rule to strengthen the primary (health-based) annual National Ambient Air Quality Standards (NAAQS) for fine particle pollution, PM2.5. Specifically, the EPA is proposing to revise the primary annual standard from 12.0 µg/m3 to a value within the range of 9.0 and 10.0 µg/m3.

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Congestion Watch Blog

RGGI Auction 58 Clears at $12.99 | Emissions Watch Blog

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The most recent RGGI quarterly auction (Auction 58) was held on December 7, 2022. The clearing price was $12.99/ton, three percent lower than the clearing price of $13.45/ton on September 7, 2022 (see Figure 1). Auction 58 represents the second consecutive auction with a clearing price lower than the previous auction, with both Auctions 57 and 58 clearing 3 percent below previous auction clearing prices.

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Congestion Watch Blog

RGGI Auction 57 Clears At $13.45, A 3% Drop | Emissions Watch Blog

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The most recent RGGI quarterly auction (Auction 57) was held on September 7, 2022. The clearing price was $13.45/ton, three percent lower than the clearing price of $13.90/ton on June 1, 2022 (see Figure 1). Although the clearing price was only $0.45/ton lower than the most recent auction, Auction 57 marks the first time since Auction 45 in September 2019 that the clearing price has declined from the previous auction.

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Congestion Watch Blog

Proposed EPA Rule Leads to Quadrupling Group 3 Ozone Season CSAPR NOx Prices | Emissions Watch Blog

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The EPA issued a proposed rule in February 2022 that, if finalized, will implement significant programmatic changes, and establish lower emissions limits to the existing Group 3 Ozone Season Cross-State Air Pollution Rule (CSAPR) beginning in the 2023 ozone season. Following the issuance of this proposed rule, Group 3 CSAPR NOx allowance prices have quadrupled from approximately $6,500/ton in February to $28,500/ton (June 6).

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Congestion Watch Blog

RGGI Auction 56 Update: RGGI Auction Clears At $13.90 | Emissions Watch Blog

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The most recent RGGI quarterly auction (Auction 56) was held on June 1, 2022. The clearing price was $13.90/ton, three percent higher than the clearing price of $13.50/ton on March 9, 2022 (see Figure 1). Although the clearing price was only slightly higher than the most recent auction, the $13.90/ton price marks the highest clearing price since the start of the program. Notably, the clearing price fell just short of the 2022 Cost Containment Reserve (CCR) trigger price.

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Congestion Watch Blog

EPA Wastewater Rules and PJM Coal Retirements | Emissions Watch Blog

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Coal-fired power plants are subject to a myriad of federal environmental regulations that have led to significant retirement waves when plant owners face capital expenditures for compliance that cannot be supported by market revenues. Many coal plant owners are now facing significant potential compliance costs due to rules regulating disposal of coal combustion residuals (CCRs). CCRs, also known as coal ash, are produced from the process of burning coal and operating flue gas desulfurization equipment at coal-fired facilities.

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Congestion Watch Blog

RGGI Auction 54 Update | Emissions Watch Blog

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The most recent RGGI quarterly auction (Auction 54) was held on December 1, 2021. The clearing price was $13.00/ton, nearly 40 percent higher than the clearing price of $9.30/ton on September 8, 2021 (see Figure 1). For the first time since September 2015, the Cost Containment Reserve (CCR) was triggered which is a mechanism of the RGGI program that was implemented to provide additional allowances when auction prices exceed an established price ceiling.

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Congestion Watch Blog

RGGI Update on CO2 Data, Pennsylvania, North Carolina & Massachusetts CO2 Auction | Emissions Watch Blog

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In this Emissions Watch blog, we provide several updates pertaining to the RGGI program, including a review of the recently released Q2 2021 CO2 emissions data for states in the RGGI footprint. Compared to the same quarter last year, emissions were 17 percent higher. ESAI also provides an updated RGGI price forecast, which remains below current OTC prices in the longer-term. In Pennsylvania, the Environmental Quality Board (EQB) approved final regulations to join RGGI last month, but opposition to the state joining the program persists.

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Congestion Watch Blog

Pennsylvania RGGI CO2 Limits, Illinois Energy Bill, and CSAPR Update | Emissions Watch Blog

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In this Emissions Watch blog, we provide updates on the Regional Greenhouse Gas Initiative (RGGI), an energy bill introduced in Illinois, the Ozone Season Cross-State Air Pollution Rule (CSAPR), and modifications to the federal Social Cost of Carbon. RGGI Update: Relative to Q1 2020, Q1 2021 emissions in the Regional Greenhouse Gas Initiative (RGGI) footprint were 29 percent higher (excluding new members NJ and VA).

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