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Calpine's Columbia Energy Center Receives U.S. EPA 'Energy Star' Certification for Combined Heat and Power

03/26/2008

HOUSTON & SAN JOSE, Calif.--(BUSINESS WIRE)--March 26, 2008--Calpine Corporation (NYSE:CPN) announced today that its Columbia Energy Center, located in Gaston, S.C., has won a 2008 ENERGY STAR CHP Award from the United States Environmental Protection Agency (EPA). The award recognizes the plant's highly efficient combined heat and power (CHP) design that productively utilizes what would otherwise be waste heat to supply thermal energy to an adjacent manufacturing facility.

Mike Rogers, Calpine's Senior Vice President and President of Power Operations, said, "We sincerely appreciate the EPA's recognition of our Columbia Energy Center and Calpine's commitment to energy-efficient and environmentally responsible power generation. EPA estimates that our advanced CHP design at Columbia reduces CO2 emissions by more than 140,000 tons per year compared with similar plants that do not utilize cogeneration technology."

Calpine received its Energy Star Award from the Climate Protection Partnerships Division of the U.S. EPA Combined Heat and Power Partnership. The ENERGY STAR CHP Award is given to companies that operate highly efficient CHP systems that reduce emissions and use at least 5 percent less fuel than comparable, state-of-the-art, separate heat and power generation. The award recognizes Calpine for exceptional leadership in energy use and management.

The Columbia Energy Center is a 600-megawatt, natural gas-fired, combined-cycle cogeneration facility that entered commercial service in May 2004. Calpine is the largest owner and operator of combined heat and power facilities in the United States, with nearly 8,000 megawatts of CHP capacity in operation, representing approximately 33 percent of its total asset portfolio.

Calpine's modern generating assets emit less than half as much CO2 per megawatt-hour compared with a typical older coal-fired plant. Using fewer Btus of fuel for each megawatt-hour of electricity produced enhances Calpine's competitive position in the market and significantly improves the environmental characteristics of its nationwide fleet of power plants.

About Calpine

Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering approximately 24,000 megawatts of clean, cost-effective, reliable, and fuel-efficient electricity to customers and communities in 18 states in the United States. Calpine owns, leases, and operates low-carbon, natural gas-fired, and renewable geothermal power plants. Using advanced technologies, Calpine generates electricity in a reliable and environmentally responsible manner for the customers and communities it serves. Please visit http://www.calpine.com for more information.

Forward-Looking Statement

In addition to historical information, this release contains forward-looking statements within the meaning of Section 27A of the Securities Act and Section 21E of the Exchange Act. Words such as "believe," "intend," "expect," "anticipate," "plan," "may," "will" and similar expressions identify forward-looking statements. Such statements include, among others, those concerning expected financial performance and strategic and operational plans, as well as all assumptions, expectations, predictions, intentions or beliefs about future events. You are cautioned that any such forward-looking statements are not guarantees of future performance and that a number of risks and uncertainties could cause actual results to differ materially from those anticipated in the forward-looking statements. Such risks and uncertainties include, but are not limited to: (i) Calpine's ability to implement its business plan; (ii) financial results that may be volatile and may not reflect historical trends; (iii) seasonal fluctuations of result and exposure to variations in weather patterns; (iv) potential volatility in earnings associated with fluctuations in prices for commodities such as natural gas and power; (v) Calpine's ability to manage liquidity needs and comply with covenants related to the Exit Facilities and other existing financing obligations; (vi) Calpine's ability to complete the implementation of its Plan of Reorganization and the discharge of its chapter 11 cases, including successfully resolving any remaining claims; (vii) disruptions in or limitations on the transportation of natural gas and transmission of electricity; (viii) the expiration or termination of power purchase agreements and the related results on revenues; (ix) risks associated with the operation of power plants including unscheduled outages; (x) factors that impact the output of Calpine's geothermal resources and generation facilities, including unusual or unexpected steam field well and pipeline maintenance and variables associated with the waste water injection projects that supply added water to the steam reservoir; (xi) risks associated with power project development and construction activities; (xii) our ability to attract, retain and motivate key employees including filling certain significant positions within Calpine's management team; (xiii) our ability to attract and retain customers and counterparties; (xiv) competition; (xv) risks associated with marketing and selling power from plants in the evolving energy markets; (xvi) present and possible future claims, litigation and enforcement actions; (xvii) effects of the application of laws or regulations, including changes in laws or regulations or the interpretation thereof; and (xviii) other risks identified from time-to-time in Calpine's reports and registration statements filed with the Securities and Exchange Commission, including, without limitation, the risk factors identified in its Annual Report on Form 10-K for the year ended December 31, 2007. Actual results or developments may differ materially from the expectations expressed or implied in the forward-looking statements and Calpine undertakes no obligation to update any such statements. Unless specified otherwise, all information set forth in this release is as of today's date.

CONTACT: Calpine Corporation, Houston
Media Relations:
Mel Scott, 713-570-4553
scottm@calpine.com
or
Investor Relations:
Norma Dunn, 713-830-8883
norma.dunn@calpine.com

SOURCE: Calpine Corporation