SAN DIEGO, Sept. 23, 2014 /PRNewswire/ -- Sempra Energy (NYSE: SRE) has been selected again for the Dow Jones Sustainability World Index, Dow Jones Sustainability North America Index and the S&P 500 Climate Disclosure Leadership Index. 

Established in 1999, the Dow Jones Sustainability indices are compiled annually by S&P Dow Jones and the Zurich-based RobecoSAM, a sustainable investment specialty firm. They were the first organizations in the world to track the financial performance of companies that lead their respective industries in managing economic, environmental and social issues with a strong focus on long-term shareholder value.  The indices serve as benchmarks for investors who integrate sustainability considerations into their portfolios.  This is Sempra Energy's second year in the Dow Jones Sustainability World Index and fourth year in the Dow Jones Sustainability North America Index.

The Dow Jones Sustainability World Index tracks the performance of the top 10 percent of the 2,500 largest companies in the S&P Global Broad Market Index, while the Dow Jones Sustainability North America Index recognizes the top 20 percent of companies on the continent.

The S&P 500 Climate Disclosure Leadership Index highlights the top 10 percent of companies within the S&P 500 Index for the depth and quality of climate change data disclosed to investors and the global marketplace. The index, produced by CDP (formally known as the Carbon Disclosure Project), is compiled annually for 767 investors, representing more than $92 trillion in combined assets. The program facilitates corporate management and reporting of greenhouse gas emissions and climate-related risks and opportunities.  CDP is an investor-funded nonprofit organization that produces the most comprehensive survey of global corporate carbon emissions.

"The financial community increasingly is looking at companies' progress in sustainable business practices," said Jessie J. Knight, Jr., executive vice president of external affairs for Sempra Energy. "We are pleased that our continuing efforts in this area are being recognized."

Sempra Energy has made substantial investments in projects that have expanded clean energy infrastructure. As a result, the company's greenhouse-gas emissions rate (carbon dioxide emitted per megawatt-hour of energy generated) is about 40-percent lower than the national average.

For more information on the Dow Jones Sustainability Indices, visit: www.sustainability-indexes.com. For more information on CDP's Climate Disclosure Leadership Index, visit: www.cdp.net. To learn more about sustainability at Sempra Energy, visit: http://www.sempra.com/responsibility.

Sempra Energy's four principal subsidiaries are Southern California Gas Co., San Diego Gas & Electric, Sempra International and Sempra U.S. Gas & Power.

Sempra Energy, based in San Diego, is a Fortune 500 energy services holding company with 2013 revenues of approximately $10.5 billion.  The Sempra Energy companies' 17,000 employees serve more than 31 million consumers worldwide.

Sempra International, LLC, and Sempra U.S. Gas & Power, LLC, are not the same companies as the California utilities, San Diego Gas & Electric (SDG&E) or Southern California Gas Company (SoCalGas), and Sempra International, LLC, and Sempra U.S. Gas & Power, LLC, are not regulated by the California Public Utilities Commission. Sempra International's underlying entities include Sempra Mexico and Sempra South American Utilities. Sempra U.S. Gas & Power's underlying entities include Sempra Renewables and Sempra Natural Gas.

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SOURCE Sempra Energy