Press Release

Company One of 20 Participating North American UtilitiesNEW YORK, NY, Apr 23, 2008 (MARKET WIRE via COMTEX News Network) -- Consolidated Edison, Inc. (Con Edison) announced today that it has become a founding reporter of the Climate Registry. Aimed at developing and managing a voluntary greenhouse gas (GHG) emissions reporting system, the Climate Registry is a collaboration between 39 states, the District of Columbia, three Native American tribes, seven Canadian provinces, and six Mexican states.

The Registry helps organizations calculate and report GHGs and has developed standardized reporting and third-party verification protocols for creating an inventory of GHG emissions. The reporting and verification protocols are based on the internationally recognized GHG measurement verification standards of the World Resources Institute, the World Business Council for Sustainable Development, and the International Organization for Standardization. All emissions reports will be made available to the public on the Registry's Web site www.theclimateregistry.org.

"Con Edison's participation in the Climate Registry is another step toward the company's goal of environmental excellence," said Randolph S. Price, vice president for Environment, Health and Safety. "The standardized reporting and verification methods for measuring and recording greenhouse gas emissions reflect the best practices being used today. Our participation in this program will help improve the company's already exceptional environmental performance."

The effort will result in an accurate, transparent and verified set of greenhouse gas emissions data from reporting entities. Among those participating are businesses, nonprofit organizations, municipalities, state agencies, and others. At present, 107 founding reporters, including 20 utilities, have agreed to participate in the Registry.

Consolidated Edison, Inc. (NYSE: ED) is one of the nation's largest investor-owned energy companies, with approximately $13 billion in annual revenues and $28 billion in assets. The company provides a wide range of energy-related products and services to its customers through its two regulated utility subsidiaries and its three competitive energy businesses. For additional financial, operations and customer service information, visit Consolidated Edison, Inc.'s Web site at www.conedison.com.

Contact:
Joseph Petta
212-460-4111

SOURCE: Consolidated Edison, Inc.