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Commercial & Industrial
Custom Rebates

Building Sector

Commercial and Industrial - Office, Hospital, Hotel, Industrial, Institutional

Energy Type

Natural Gas

Financial Incentives




Program name

Spire: Commercial & Industrial – Custom Rebate

Program summary

Spire’s Custom rebate is available to customers for installation of any natural gas related energy efficiency improvement that does not qualify for a standard rebate. Rebate amounts are individually determined by project, must achieve a minimum two-year payback, and be pre-approved prior to any equipment being purchased. Pre-approval emails will be sent within four weeks of receiving a completed application and required documentation.
Eligible measures may include, but are not limited to:

  • High-efficiency process heating equipment

  • Energy management and control systems

  • Building envelope improvements

  • New windows

  • Insulation

  • Destratification fans

  • Ventilation energy recovery equipment

  • Industrial process heat recovery

  • Retro-Commissioning (RCx)

Rebate amounts are calculated as the lesser of:

  • A buy-down to a two-year payback 

  • $6.63 per MCF saved during the first year

Applicable building size



An open opportunity to implement custom energy efficiency improvements and receive a rebate to
lessen the upfront cost of the project.

  • Incentive/funding details. Custom projects are analyzed and pre-approved using the program benefit/cost criteria determined by incremental savings, project cost and payback. Projects must achieve a minimum two-year payback to qualify. Custom rebates are paid to the customer after the pre-approved project has been installed.

  • Contract structure. No contract required. Project must be pre-approved. Qualifying
    measures/equipment must be installed by a licensed professional.

  • Rebate Amount (max, min, average). ​Commercial and Industrial customers may receive up to $100,000 in total rebates per Spire’s program year (October 1 to September 30)

  • Pairing with other sources. Available to pair with Spire’s Standard Rebates.

  • When in the project process an application should be started/completed. Pre-approval is required. Pre-approved projects must be implemented/installed within six months of the date of approval, and all invoice(s) and other required project documentation must be submitted within eight months of the date of pre-approval.

  • Level of effort required. Application must include Spire account number, customer, and contractor information, proposed equipment and project cost information, along with a thorough description of the project. Proof of
    purchase documents and additional equipment documentation (if required) must also be submitted.
    All rebates can be reassigned.

  • Length of time to receive funding. Rebate check will be mailed in four to six weeks after a completed application is received.

  • Contractor requirements. The customer must hire a licensed contractor for installation.

Additional information
  • Advantages. Customers are able to create a custom energy efficiency solution to fit their businesses
    needs. Custom rebates help lower the cost of the capital investment.

  • Ownership types or organizations are best suited for the program. Non-profit and special use;
    industrial; institutional; processing; commercial office/retail.

  • Program fit for customer. Businesses wanting to increase their buildings energy efficiency and lower their utility bill, by performing a more extensive energy efficiency upgrade while reducing their upfront capital costs.

Take action

Visit Spire: Commercial Rebates website.

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