National Association of
Energy Service Companies

Partnering Today for a More Efficient Tomorrow

The National Association of Energy Service Companies, (NAESCO) is the leading advocacy and accreditation organization for Energy Service Companies dedicated to modernizing America’s building infrastructure through performance contracting.

Education/Events

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NAESCO's Signature Events

2025 R3 Conference and Expo

November 3-5, 2025

Las Vegas, NV

2024 Event Photos

Save the Date! 2026 Federal Market Workshop

Thursday, March 19, 2026

Location: NAHB - National Housing Center

1201 15th Street NW, Washington DC 20005

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Other Upcoming Events

2025 Fall Member News

October 16, 2025

Fall 2025 Member News CEG Solutions Updates CEG Solutions and Iconergy Announce Strategic Merger to Expand Energy Services Capabilities Nationwide CEG Solutions, LLC, a national provider of full-service energy infrastructure solutions, and Iconergy Ltd., a Colorado-based energy and sustainability consulting firm, today announced a strategic merger. The combined organization brings together complementary technical expertise…

Keystone Introduces Ova Emergency Downlight and Upgrade to Advanta Emergency

October 16, 2025

Keystone Introduces Ova Emergency Downlight and Upgrade to Advanta Emergency Our new line of Ova Surface Mount fixtures is adding an emergency option, while the AdvantaEMRG, part of the Advanta line-the fastest-growing lighting category in total volume in the industry-is going from three selectable CCT and three power outputs to five each, while enhancing its…

Four Energy Service Companies selected as finalists for Industry-Leading Award in Energy Efficiency and Modernizing Building Infrastructure

October 14, 2025

Four Energy Service Companies selected as finalists for Industry-Leading Award in Energy Efficiency and Modernizing Building Infrastructure The National Association of Energy Service Companies (NAESCO), the leading advocacy and accreditation association representing companies modernizing our nation’s building infrastructure, announced four finalists for the NAESCO 2025 Member Award. The NAESCO Member Award honors the achievements of…

CEG Solutions and Iconergy Announce Strategic Merger to Expand Energy Services Capabilities Nationwide

October 14, 2025

CEG Solutions and Iconergy Announce Strategic Merger to Expand Energy Services Capabilities Nationwide October 14, 2025 Arlington, VA and Denver, CO – CEG Solutions, LLC, a national provider of full-service energy infrastructure solutions, and Iconergy Ltd., a Colorado-based energy and sustainability consulting firm, today announced a strategic merger. The combined organization brings together complementary technical expertise…

Power TakeOff Launches Verify, a Revolutionary M&V

October 13, 2025

Power TakeOff Launches Verify, a Revolutionary M&V Software to Prove Energy Savings Power TakeOff, a leader in energy efficiency solutions, announced the launch of Verify, an advanced Measurement and Verification (M&V) software designed to automate M&V, reduce costs, and improve accuracy. The software provides easy-to-produce, accurate results in a user-friendly interface, changing how organizations track…

Energy savings are just the beginning.
Measure and justify the non-energy benefits—like productivity, quality, and reliability—using JUSTIFI, developed by Oak Ridge National Laboratory.

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Why ESCOs?

Buildings are responsible for 40% of total energy consumption

Customer energy-related needs are broadening beyond just energy savings to include resilience, reduced operations and maintenance costs, improved operations, and sustainability.

Energy efficiency is getting the maximum use from energy consumed. The U.S. energy efficient retrofit services market experienced an estimated 6.2% CAGR from 2017 to 2022.