Lime Energy Partners with 4tell™ to Deliver Integrated Energy Solutions

Chicago, IL and Portland, ME, August 25, 2010 – Lime Energy (NASDAQ:LIME) and 4tell™ Solutions, LLC, (“4tell™”) announced today that they have formed a strategic partnership to deliver an integrated energy solution platform that provides their clients with a cost effective solution to quickly evaluate energy efficiency and carbon footprints, and create clear paths toward reduced energy costs and improved environmental performance.

Lime Energy develops, engineers, and installs solutions which reduce energy consumption for businesses, government agencies and utilities. 4tell™ provides unique technology solutions to capture, manage, model and analyze critical data to create knowledge that meets the ongoing needs for sustainable energy practices. “Because the first step in any customer engagement is to acquire and analyze relevant information, this partnership with 4tell will significantly enhance Lime’s ability to provide our customers with a cost effective first step in understanding their energy use and carbon emissions,” said John O’Rourke, Lime Energy COO. “Together with 4tell, this offering directly responds to the market’s demand for measurable results and improved performance of buildings, facilities and infrastructure.”

4tell’s proprietary Sustainable Performance Governance technology platform improves efficiencies and differentiates Lime’s delivery of its consulting, engineering and implementation solutions and enhances its ability to deliver energy savings in a very scalable, quick and cost efficient manner. The partnership enables Lime to build on its established reputation as a leader in the delivery of energy efficiency and its unique ability to provide clients with a single point solution for a host of energy challenges.

“With 4tell’s proven methodology and tools, Lime is empowered with even greater ability to identify and deliver higher quality projects, reduce risk and costs, streamline project execution, and monitor and verify the results for its clients,” stated Jim Kavanagh, President and CEO at 4tell, “This collaborative partnership demonstrates our market leadership in the development and delivery of measurable energy efficiency solutions and provides clients with a framework and a dynamic model for highly efficient operations.”

Lime’s strategic decision to partner with 4tell is consistent with its overall approach and builds on a 25 year track record of delivering energy efficiency and providing clients with solutions that are critical to their organizational sustainability. The combination of this expertise with 4tell’s cutting edge technology platform enables Lime to bring these solutions to a greater number of clients.

“We are extremely excited about our partnership with 4tell,” said Lime’s John O’Rourke. “Our clients will benefit from our enhanced service delivery and the resulting efficiencies, which will expand our ability to help clients meet their sustainability goals.”

About Lime Energy Co. --- Lime is a leading provider of energy efficiency services. Our integrated energy engineering, consulting and implementation solutions improve the energy efficiency of our clients’ facilities, reduce their operations and maintenance costs, and modernize building infrastructure. We actively assist our clients in managing their carbon footprint to limit the impact of their operations on the environment. Our customers include commercial and industrial building owners, utilities, energy service companies, and federal and local government entities. We deploy a comprehensive set of engineering and implementation solutions that include energy efficient lighting upgrades, energy efficiency mechanical and electrical retrofit and upgrade services, water conservation, weatherization, and renewable energy projects. We provide energy efficiency solutions across all of our clients’ facilities, ranging from high-rise office buildings to manufacturing plants, retail sites, mixed use complexes, and large government sites to small, local facilities. The company's stock is traded on NASDAQ under the symbol LIME. Additional information is available at the company's website at www.lime-energy.com.

About 4tell™ Solutions, LLC --- 4tell is a recognized leader in delivering technology solutions that help solve today’s challenges in planning, operating, managing and sustaining the built environment. 4tell develops and implements unique Sustainable Performance Governance solutions for organizations seeking knowledge, transparency, and accountability for their strategic decisions. Combining leading strategic management methods with proven engineering, economic, and analysis models, 4tell helps organizations develop and prioritize strategic capital and financial decisions, reduce expenses and mitigate risks, increase operational efficiency, improve energy efficiency and environmental performance, and promote stewardship and accountability. To learn more about 4tell, please visit www.4tellsolutions.com.