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Skip Navigation LinksDNREC : Division of Energy and Climate : Information : Other Information : Energy Efficiency Investment Fund

 Energy Efficiency Investment Fund

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About the Energy Efficiency Investment Fund program
Improving the energy efficiency of your business helps to decrease operating costs, reduce energy consumption, and improve environmental performance. The Energy Efficiency Investment Fund (EEIF) was designed to help commercial and industrial customers replace aging, inefficient equipment and systems with energy efficient alternatives.

Prescriptive program: The prescriptive portion includes three types of applications: prescriptive lighting, vending misers, and natural gas heating and water heating equipment.

Prescriptive Lighting Application
Prescriptive Vending Miser Application
Prescriptive Heating and Hot Water Heating Application

Custom program: The custom portion is intended for more complex or one-of-a-kind energy efficiency measures. Please see the link below for eligible measures.

More information on custom measures   

Energy Assessments program: The energy assessment portion includes single purpose (targeted) energy audits and comprehensive energy audits. The intent is to help facilities receive technical evaluations for appropriate, cost-effective energy efficiency improvements, specific to each building’s needs.

Energy Assessment Grant Application

Program eligibility
Program participants are non-residential entities that pay the Public Utility Tax. Participants must be “consumers or users of gas or electricity whose purchase of those commodities from a distributor is subject to the public utility tax on gas or electricity.” This includes non-residential entities, except for political subdivisions, state government agencies, public schools, and automobile manufacturers. For more information on who pays the public utility tax, please see: Applicants should check their utility bills to confirm payment of the tax. A copy of the applicant's electric or natural gas bill must be submitted with the EEIF application for verification of program eligibility. 

EEIF Program Guidelines and Operational Procedures

Please email with questions regarding the EEIF Program.

Stay up to date on EEIF!
To receive periodic updates on Delaware's EEIF program, please email

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