Company Overview	12 Months Ended
Dec. 31, 2011
Company Overview and Summary of Significant Accounting Policies [Abstract]
COMPANY OVERVIEW	NOTE 1 — COMPANY OVERVIEW World Energy Solutions, Inc. (“World Energy” or the “Company”) offers a range of energy management solutions to commercial and industrial businesses, institutions, utilities, and governments to reduce their overall energy costs. The Company comes to market with a holistic approach to energy management helping customers a) contract for the lowest price for energy, b) engage in energy efficiency projects to minimize quantity used and c) maximize available rebate and incentive programs. The Company made its mark on the industry with an innovative approach to procurement via its state-of-the-art online auction platforms, the World Energy Exchange^®, the World Green Exchange ^® and the World DR Exchange^®. With recent investments and acquisitions, World Energy is building out its energy efficiency practice—offering technology-enabled solutions such as online audits of facilities to identify retrofit options and project management services for retrofit implementation, believing this practice will also enable more cross-selling opportunities for commodity auctions. The Company is also taking its suite of solutions to the rapidly growing small- and medium-sized customer markets.

Company Overview

12 Months Ended

Dec. 31, 2011

Company Overview and Summary of Significant Accounting Policies [Abstract]

NOTE 1 — COMPANY OVERVIEW

World Energy Solutions, Inc. (“World Energy” or the “Company”) offers a range of energy management solutions to commercial and industrial businesses, institutions, utilities, and governments to reduce their overall energy costs. The Company comes to market with a holistic approach to energy management helping customers a) contract for the lowest price for energy, b) engage in energy efficiency projects to minimize quantity used and c) maximize available rebate and incentive programs. The Company made its mark on the industry with an innovative approach to procurement via its state-of-the-art online auction platforms, the World Energy Exchange^®, the World Green Exchange ^® and the World DR Exchange^®. With recent investments and acquisitions, World Energy is building out its energy efficiency practice—offering technology-enabled solutions such as online audits of facilities to identify retrofit options and project management services for retrofit implementation, believing this practice will also enable more cross-selling opportunities for commodity auctions. The Company is also taking its suite of solutions to the rapidly growing small- and medium-sized customer markets.