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• OASIS - Energy - Site Automation.

• Oceana Energy - Energy - Marine Page.

• Ocean Power Technologies (OPT) - Energy - Marine Page.  Locations: Pennington, New Jersey.

• Odersun AG - Energy - Solar Page.

• OfficePower - Energy - Distributed Generation Page.

• OG&E - Energy - Investor Owned Utilities Page. Locations: Oklahoma City, Oklahoma.

• OGE Energy - Energy - Investor Owned Utilities Page. Locations: Oklahoma City, Oklahoma.

• OGE Energy Resources - Energy - ESCOs Page.  Locations: Oklahoma City, Oklahoma.

• Oliver Wyman -  Energy Consultants Page.

• Oncor - Energy - Investor Owned Utilities Page.  Locations: Dallas, Texas.

• Onpoint Technologies - Energy - Capital Page.

• Ontario Power Authority - Energy - Utilities - Public Power Page.

• Ontario's Smart Grid Forum - Energy - Smart Grid Page.  Locations: Ontario.

• Onzo - Energy - Home Automation Page.

• OPC Foundation - Energy - Building Automation Page.  Locations: Scottsdale, Arizona.

• Open Energy Corporation - Energy - Solar Page.  Locations: Solana Beach, California.

• Open Systems International (OSI) - Energy - Communications Page.     *

• Optimal Technologies - Energy - Smart Grid Page.

• Optimum Energy - Energy - Building Automation Page.  Locations: Seattle, Washington.

• OptiSolar - Energy - Solar Page.  Locations: Hayward, California.

• Oracle Utilities - Energy - Smart Grid Page.

• Orange and Rockland - Energy - Investor Owned Utilities Page. Locations: Pearl River, New York.

• Organization of MISO States - Energy - ISO-RTO Page.   

• Organization of PJM States - Energy - ISO-RTO Page.   

• Orion Energy Systems - Energy - Efficiency Page.  Locations: Manitowoc, Wisconsin.

• Ormat  Technologies - Locations: Reno, Nevada.

• OSIsoft - Energy - Industry Suppliers - Software.  Locations: San Leandro, California; Houston, Texas, Mayfield Heights, Ohio.

• Otter Tail Corporation - Energy - Energy - Integrated Utilities  Locations: Fergus Falls, Minnesota.

See something that should be changed or added to this page, or a bad link - email me to make a change.

Paul J. Feldman