NativeEnergy to Procure up to 1.5 Million Verified Emission Reductions (VERs)

NativeEnergy to Procure up to 1.5 Million Verified Emission Reductions (VERs)

Worcester, MA - May 6, 2008 - World Energy Solutions, Inc. (TSX: XWE), a leading operator of online exchanges for energy and environmental commodities, today announced a "call for supply" for a June 10 VER auction. NativeEnergy, a leading national carbon offsets and renewable energy credits (REC) provider, intends to procure up to 1.5 million VERs via World Energy's online auction platform, the World Green Exchange. Qualified VER suppliers are encouraged to contact World Energy to register as a bidder on the World Green Exchange in order to participate in the auction. Registration is free of charge.

For complete RFP details and to view the auction timeline and required documentation, visit NativeEnergy Auction.

"We were very pleased with the VER auction we participated in on the World Green Exchange, where we won a sizeable contract for domestic VERs," says Tom Boucher, President and CEO of NativeEnergy. "We were impressed with World Energy's auction process, and we're looking forward to leveraging their reach to connect us with high quality VER suppliers for our auction," Boucher continues.

"We're very pleased that NativeEnergy has come back to the World Green Exchange as a satisfied, repeat customer; their selection of World Energy further validates our auction model in this emerging market," says Phil Adams, President and COO, World Energy.

Auction Details
• Target Auction Date: June 10th, 2008
• Total Quantity: Up to a total of 1.5 million VERs (1 VER = 1 metric tonne CO2e);
• Minimum quantity: 5000 metric tonnes
• Vintage: 2008, 2009, 2010
• Project Location(s): United States
• Ownership: Seller must demonstrate ownership of VERs

Verification Standard
VERs must be VCS-verified or verifiable. Buyer preference will be given to sellers who are responsible for the verification of the VERs, although buyer will consider some flexibility.

Qualified VER Project Categories
• Renewable energy-based projects including fuel substitutions (for hydro, preference is for Low Impact Hydro Institute certification)
• Methane recovery
• Waste heat recovery
• Efficiency
• Transportation-based
• Farm-based: dairy farms only

Native Energy seeks to involve projects with additional social or environmental benefits, as well as community-owned, Tribally-owned and farmer-owned projects. Gold Standard projects will receive special consideration.

Additionality
Projects must not be required by law, and must pass NativeEnergy's stringent additionality tests.

Interested suppliers should contact Kenneth Ivanic at 281.681.2900 x 209 or kivanic@worldenergy.com.

About World Energy
World Energy operates leading online exchanges for energy and environmental commodities. Our proven approach provides market intelligence, promotes liquidity, and creates price transparency for all market participants, enabling our customers to transact with confidence and to seek the best possible price. To date, the company has transacted over 40 billion kWh of electricity, nearly one billion kWh of green power and Renewable Energy Certificates (RECs) and one trillion cubic feet of natural gas. For more information, please visit www.worldenergy.com.

About NativeEnergy
NativeEnergy leverages market demand for carbon offsets to bring on line new Native American, family farmer and community-owned renewable energy projects. NativeEnergy offers third party verified and certified renewable energy credits and offsets from a variety of operating projects across America and internationally. Through its novel approach of bringing upfront payment to renewable projects for the estimated future carbon offsets, NativeEnergy enables its clients to help directly finance the construction of specific new wind farms and other renewable energy projects. NativeEnergy continues to focus on real, additional offsets that provide both an environmental and a social benefit, for both people and planet. More information is available at www.nativeenergy.com.

This press release contains forward-looking statements that are subject to risks and uncertainties that could cause actual results to differ from those indicated in the forward-looking statements. Such risks and uncertainties include, but are not limited to: our revenue is dependent on actual future energy purchases pursuant to completed procurements; the demand for our services is affected by changes in regulated prices or cyclicality or volatility in competitive market prices for energy; we depend on a small number of key energy consumers, suppliers and channel partners; there are factors outside our control that affect transaction volume in the electricity market; and there are other factors identified in our Annual Report on Form 10-K and subsequent reports filed with the Securities and Exchange Commission.