Green Rankings the top 500 list

Our exclusive environmental ranking of America's 500 largest corporations.

Green Ranking Top List
Rank Company Industry Sector Green Score Environmental Impact Score Green Policies and Performance Score Reputation Survey Score
1. PG&E  "Stands out among utilities for its... Utilities 79.77 18.40 62.63 48.96
2. Pepco Holdings  "Natural gas is key to its... Utilities 75.07 27.60 51.16 29.89
3. Northeast Utilities  "Primarily a natural gas distributor, and... Utilities 74.45 52.70 46.21 30.76
4. NiSource  "To date, has avoided compliance problems... Utilities 72.08 6.20 67.60 37.59
5. Integrys Energy Group  "Although it largely uses coal to... Utilities 71.92 10.30 54.53 34.58
6. Consolidated Edison  "Strengths include aggressive control of electricity... Utilities 71.91 28.20 39.18 40.87
7. CenterPoint Energy  "Less carbon-intensive than companies dependent on... Utilities 71.75 54.60 37.21 35.70
8. Sempra Energy  "A leader in controlling electricity demand... Utilities 70.66 16.00 41.80 38.78
9. Spectra Energy  "The natural gas spinoff of Duke... Utilities 69.38 9.70 45.67 46.43
10. Oneok  "A natural gas trader and distributor,... Utilities 68.46 32.00 33.64 25.20
11. Exelon  Utilities 67.96 8.10 45.39 45.70
12. Questar  Utilities 66.83 24.10 29.58 29.34
13. Pinnacle West Capital  Utilities 66.08 4.30 62.68 39.62
14. Atmos Energy  Utilities 65.47 39.00 22.51 32.99
15. Calpine  Utilities 65.43 6.60 51.15 30.97
16. UGI  Utilities 64.70 21.20 22.51 37.49
17. Edison International  Utilities 64.09 3.70 58.47 44.82
18. Public Service Enterprise Grp.  Utilities 62.96 7.20 38.21 39.35
19. Xcel Energy  Utilities 62.39 3.50 56.84 38.17
20. FPL Group  Utilities 61.01 5.10 42.78 46.23

* Due to a miscalculation, the Green Rankings significantly overstated ConAgra’s Water Use, thus giving it an incorrect Environmental Impact Score and Green Score. ConAgra should have been ranked 342 overall. We regret the error.

Resource Providers:

  • KLD Logo

    KLD Research & Analytics, Inc., an independent investment research firm, served as lead data consultant and calculated the rankings It was also responsible for generating the Green Policies and Performance section of the rankings. KLD analyzes environmental, social and governance data on companies worldwide. www.kld.com

  • TruCost Logo

    Trucost, a leading international environmental data firm, specializes in quantitative performance measurement and management. The Environmental Impact Score in the rankings is based on its global database. www.trucost.com

  • Corporate Register Logo

    CorporateRegister.com conducted the Reputation Survey for the green rankings. Based in London, it is the world’s largest online directory of company-issued social responsibility, sustainability and environment reports. www.corporateregister.com.

  • ASAP Media Logo

    ASAP Media, founded by journalists/editors Peter Bernstein (pbernstein@asap-partners.com) and Annalyn Swan (aswan@asap-partners.com), served as Newsweek’s editorial partner, initiating and coordinating the green rankings project. ASAP Media specializes in creating magazine, book and web content.

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