CONSOL Energy offers landfill cost model for coal combustion products

PITTSBURGH, March 20, 2003 — CONSOL Energy Inc. has developed a Landfill Cost Model for Coal Combustion Products, for coal users seeking alternative uses of coal combustion products other than landfilling.

As state regulations for the opening of new landfills become stricter, electric power generators face increasing costs to dispose of coal combustion products, or CCPs. The quantity of CCPs will continue to increase as more coal-fired power plants install flue gas desulfurization systems to meet environmental regulations.

“There are alternative uses of coal combustion products that are technically sound, environmentally safe, and commercially competitive,” said Richard Winschel, CONSOL Energy’s director of coal utilization. “Our model establishes a cost benchmark against which alternative use options for CCPs can be evaluated. More importantly, it is another tool that coal users will have to lower the overall cost of burning coal in their plants.”

The landfill cost model will predict both the capital and operating costs of new landfills for disposal of CCPs. This landfill design and cost computer model has the flexibility to provide accurate estimates under a variety of possible scenarios. It includes templates for regulations from Ohio, Pennsylvania, and Kentucky, and can be adapted to other states.

The model includes design and cost algorithms to account for different land topographies and different types of CCPs, Winschel said. It also includes design options to meet anticipated future landfill design regulations and cost escalation factors, to maintain its accuracy over time.

“This model will be a valuable tool to those developing alternate uses of CCPs,” Winschel said.

To operate the Landfill Cost Model, the user’s computer must be equipped with 32MB or more of RAM, and must be running Microsoft Word 2000 and Microsoft Excel 2000. The model software can be downloaded from the CD-ROM onto the user’s hard drive. The files, including the program and documentation, use less than 5 MB of disk space. The program runs one case at a time, using the full capabilities of an Excel file.

CONSOL Energy researchers created the computer model using funding from the company and the Ohio Coal Development Office within the Ohio Department of Development, GAI Consultants Inc., and Trumbull Corporation.

To obtain a free copy of the model, contact: D.A. Kosmack, CONSOL Energy Inc., Research & Development, 4000 Brownsville Road, South Park, PA, 15129. Phone: (412) 854-6592; Fax: (412) 854-6613; E-mail: deborahkosmack@consolenergy.com. Users also can download the model from the CCP Ohio web site, http://ccpohio.eng.ohio-state.edu/ccpohio.

CONSOL Energy Inc. is the largest producer of high-Btu bituminous coal in the United States, and the largest exporter of U.S. coal. CONSOL Energy has 20 bituminous coal mining complexes in seven states and Australia. In addition, the company is one of the largest U.S. producers of coalbed methane, with daily gas production of approximately 135 million cubic feet.

The company also produces electricity from coalbed methane at a joint-venture generating facility in Virginia. CONSOL Energy has annual revenues of $2.2 billion. It received a U.S. Environmental Protection Agency 2002 Climate Protection Award and the U.S. Department of the Interior’s Office of Surface Mining 2002 National Award for Excellence in Surface Mining for the company’s innovative reclamation practices in southern Illinois.

Additional information about the company can be found at its web site: www.consolenergy.com.

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