NAESCO Accreditation Programs

Accreditation Categories

NAESCO offers three categories of Accreditation for companies in the energy service business: Energy Service Company (ESCO), Energy Service Provider (ESP) and Energy Efficiency Contractor (EEC).

Energy Service Company (ESCO)

ESCOs develop and implement turnkey, comprehensive energy efficiency projects. ESCOs offer performance-based contracts (i.e., contracts that tie the compensation of the ESCO to the energy savings generated by the project) as a significant part of their business. To gain accreditation, ESCOs must demonstrate the technical and managerial competence to design and implement projects involving multiple technologies, including:

  • Lighting
  • Motors and Drives
  • HVAC Systems
  • Control Systems
  • Building Envelope Improvements

ESCOs must also demonstrate the ability to provide the full range of services required for a comprehensive energy efficiency project, including:

  • Energy Audits
  • Design Engineering
  • Providing or Arranging Project Financing
  • Construction Management
  • Commissioning
  • Operations and Maintenance of Energy Efficiency Technologies
  • Verifying Energy Savings

Energy Service Provider (ESP)

ESPs in most instances will offer all of the services offered by ESCOs (see above), and additionally offer energy supply options. These options can include:

  • Development and implementation of build/own/operate distributed generation, cogeneration or combined heat and power (CHP) projects;
  • Arrangement of firm contracting of energy supply.

Energy Efficiency Contractor (EEC)

EECs offer some, but not all, of the services of an ESCO (see above). EECs typically concentrate on one energy efficiency measure (e.g., lighting) or one type of service (e.g., engineering or project management), but can offer multiple measures or services. EECs typically work as subcontractors to ESCOs or ESPs.

NAESCO Accreditation

What NAESCO Accreditation is Not

There are certain things that accreditation does not mean. It does not mean that NAESCO certifies either expressly or by implication: that any accredited company's customer(s) will, in fact, realize cost savings by that company; or that any accredited company has any particular level of financial strength or viability.

Featured Accredited Member

Wendel Energy Services is a nationally recognized Energy Services Company providing guaranteed Energy Savings Contracts to clients across the country. As a division of Wendel, a 75-year-old design and construction firm, Wendel Energy has the internal staff to design and implement deep energy retrofits for a variety of clients in the municipal, education, healthcare and transportation markets. Wendel is vendor neutral, ensuring that clients get appropriate and cost effective solution for their turnkey energy efficiency projects.

“Achieving NAESCO accreditation means our organization is among the best in the field. The accreditation reinforces to our clients that they are working with a company that maintains the highest quality standards and service in the industry.  Wendel is proud to be a part of this community of excellence.”  -Joseph A. DeFazio, PE, Executive Vice President.

A recent success story was a project in St. Lawrence County, NY which was faced with aging infrastructure and rising utility costs. The county needed to complete construction of a variety of improvements to address their needs. Much of this work had to be completed in a short timeframe to address urgent deficiencies and rising maintenance costs.

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Wendel worked with the county to secure over $280,000 in state and utility incentives, delivering St. Lawrence County’s project for $2.42 million with a savings of nearly $800,000 or 25% from the typical design build approach.

Past Featured Members

Member Comment

"Being an accredited member of NAESCO gives us an important edge when competing for major projects. Customers feel more comfortable knowing that our organization possesses the rigorous standards required of accredited companies.

-- John W. Mahoney, OpTerra  Energy Services

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