coal combustion residuals

Citing a mounting compliance crunch in America’s coal-fired power sector, the U.S. Environmental Protection Agency (EPA) has finalized new rules extending key deadlines for coal ash cleanup and management, while floating the prospect of a further 12-month delay. The changes address calls from utilities, engineering contractors, and state regulators for more realistic timeframes to assess, […]

As government policies around energy transition continue to evolve, the pace of coal plant retirements in North America has shifted in some regions, slowing in a few cases due to energy reliability concerns. But broadly speaking, many coal-fired units have already retired, leaving behind a significant legacy challenge: the long-term management of coal ash stored […]

Many power companies face significant risks from coal ash ponds. New solutions based on water flow physics are showing promise in preventing the spread of hazardous particulate matter. Existing coal plants are

The U.S. Environmental Protection Agency (EPA) in May of this year issued a proposed rule that would greatly expand the scope of federal regulations governing the management of coal combustion residuals, or

Coal ash, or coal combustion residuals (CCRs), is the second-largest waste material in the U.S., just behind household garbage. The safe and sustainable management of coal ash poses one of the most complex

Ash Pond Closure by Removal Project Includes Dewatering, Excavation, Conditioning and Loadout for Offsite Disposal of 366,000 Cubic Yards of Ponded Coal Ash LOUISVILLE, KY (October 5, 2022) – Charah® Solutions, Inc. (NYSE: CHRA) (“Charah Solutions” or the “Company”), a leading provider of environmental services and byproduct recycling to the power generation industry, today announced […]

Award Represents One of the Largest and Longest Term Projects in Company History Includes Excavation of Approximately 4.3 Million Cubic Yards of Coal Combustion Residuals from Three Ash Ponds to Support Ongoing Beneficiation Activities and Facilitate Future Pond Closures LOUISVILLE, KY (July 28, 2022) – Charah® Solutions, Inc. (NYSE: CHRA) (“Charah Solutions” or the “Company”), […]

Equipment from both renewable and thermal energy power plants is finding new life in the recycling market. The market for recycled power equipment components is getting a boost due to ongoing global supply

This Week’s EPA Action Marks First Time EPA Will Enforce 2015 Coal Combustion Residuals Regulation from Coal-Fired Power Plants for the Management of Ash Impoundments and Landfills LOUISVILLE, KY (January 13, 2022) – On Tuesday of this week, the U.S. Environmental Protection Agency (EPA) took action, expanding and strengthening the regulation for coal ash and […]

Sometime around midnight on Dec. 22, 2008, a dike at the coal ash dewatering pond for the Tennessee Valley Authority’s (TVA’s) 1,400-MW Kingston power plant in Roane County, Tennessee, failed. That led to what has been reported as the largest industrial spill in U.S. history. TVA and the U.S. Environmental Protection Agency (EPA) initially estimated […]

Scope of Projects Includes Site Clearing, Road Construction, Ash Stabilization, Ash Excavation and Ash Relocation LOUISVILLE, KY (October 21, 2021) – Charah® Solutions, Inc. (NYSE: CHRA) (the “Company”), a leading provider of mission-critical environmental services and byproduct sales to the power generation industry, today announced that it has been awarded two ash pond closure contracts […]

Only “high hazard” CCR units will be subject to immediate compliance deadlines under a newly proposed Environmental Protection Agency (EPA) rule that revises federal permit requirements for the management of coal combustion residuals (CCRs) at power plants. If finalized, the rule will apply to all coal facilities in Indian country and the 48 U.S. states […]

Total suspended solids probe can help coal-fired power plants reduce compliance risks and avoid additional sampling. Water plays an essential role in coal ash remediation, but managing that process often comes

The Environmental Protection Agency (EPA) has issued long-awaited proposed revisions of two 2015 Obama-era rules that apply to effluent limitations guidelines (ELGs) for steam electric power plants and coal combustion residuals (CCR) management by electric utilities.  The agency coordinated the release of the two related revisions, which apply overwhelmingly to coal-fired steam power plants, after […]

New environmental regulations have forced many coal power plant operators to consider alternative options for handling their boiler bottom ash. Although mechanical drag systems can often meet regulatory

The Environmental Protection Agency (EPA) on June 24 proposed to partially approve Georgia’s permit program for the disposal of coal combustion residuals (CCR). As it did so, it gave other states some advice: Follow Georgia’s lead and assume oversight of coal ash that power plants dispose within your borders. The preliminary approval marks another important […]

The Environmental Protection Agency (EPA) has proposed more than a dozen significant changes to the Obama administration’s final 2015 rule governing disposal of coal combustion residuals (CCR) by the nation’s power generators. EPA Administrator Scott Pruitt on March 1 signed the first of two rules that propose to amend the 2015 rule, saying the changes […]

Wesel, April 2017 CBPG continues to advance its position as the global technology leader in ash handling solutions with an awarded U.S. Patent for the remote submerged scraper conveyor for the dewatering of bottom ash slurry. The new patent, U.S. Patent #9,593,850, is for a Remote Submerged Scraper Conveyor (RSSC) to dewater bottom ash slurry […]

The Environmental Protection Agency’s rule to regulate the disposal of coal combustion residuals as solid waste went into effect last fall. After evaluating the available solutions and technologies, here’s what some experts consider the safest and most effective approaches for complying with the rule and protecting the environment. A little over a year ago, the […]

  A recent motion filed by the Environmental Protection Agency (EPA) asking a federal court to remand parts of its final coal combustion residuals (CCR) rule could have major new consequences for the power sector if upheld, an expert has said. In its 16-page motion filed on April 18, the agency asked the U.S. Court of Appeals […]

The identification and containment of coal ash has risen to the top of the priority list for plant managers across the U.S. after inadvertent releases of coal ash into unintended areas resulted in adverse

The U.S. House of Representatives on July 23 passed by a 258–166 vote a coal ash bill that industry and states say is much-needed, but which the White House has threatened to veto.  The Improving Coal Combustion Residuals Regulation Act of 2015 (H.R. 1734) sponsored by Rep. David McKinley (R-W.Va.) seeks to implement standards finalized […]

A final rule issued today by the Environmental Protection Agency (EPA) to regulate coal combustion residuals (CCRs) from coal power plants clarifies technical requirements for coal ash landfills and surface impoundments nationwide under Subtitle D of the Resource Conservation and Recovery Act (RCRA), the nation’s primary law for regulating solid waste. The final rule is […]

The U.S. power sector has seen a number of developments on the regulatory front in recent months. Here’s where major federal rules stand today. (For a more dynamic and graphic version of this article, see http://powermag.com/long-form-stories/bw-power/ .) GHG Rules New Power Plants. The Environmental Protection Agency (EPA) in September 2013 revised a 2012 proposal to […]

Environmental and climate protection does not stop at the stack of a power plant. Disposal of separated combustion residuals, for example, must also be environmentally friendly. More and more nations are