Duke Energy
Battery Program

Receive monthly credits for enrolling your Fortress Power Battery System.

Get the resiliency benefits provided by a Fortress Power Battery System with incentives from the Duke Energy Battery program. Duke Energy will credit you each month in exchange for letting them use your battery to help manage the electricity grid more effectively.


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Get paid
up to $66 monthly for installing a Fortress Battery System

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Protect your home against adverse weather and outages

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Enhance your impact by making the grid operate more efficiently


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Select a Fortress Power approved installer. Your installer will submit an interconnection request.

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After your install is complete, enroll in the Duke Energy Battery Program.

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Get Paid

Once your system is operational and all eligibility requirements have been verified, Duke Energy will provide you a monthly bill credit.



Participation incentive of $4.60/kW* monthly bill credits credits.
That’s a $52 credit each month with a Fortress Power 11.4 kW Avalon system.

*The incentive is $6.50/kW adjusted by a capability factor. The capability factor is currently 70.9%, but can change.


  • Duke Energy Progress and Duke Energy each have a Battery Program. Duke Energy Progress customers will be enrolled in the EnergyWise® Home program and Duke Energy customers will be enrolled in the Power Manager® program. Applicants will be enrolled in the applicable utility program based on their address.
  • Duke Energy will dispatch part of your battery when the grid is stressed.


Up to 36 discharge events per year with a minimum of 30 events

    • December – March: Up to 18 events
    • May – September: Up to 9 events
    • April, October and November – Up to 9 events

Customers may opt out of up to 4 events per year.


Residential customers are eligible in North Carolina if they:

  • Are customers of either Duke Energy Progress or Duke Energy 
  • Commit to letting Duke Energy dispatch their battery for at least one year 
  • Have a reliable internet connection
  • Own the following hardware:
Avalon Inverter 1 e1714490276385

Fortress Power Avalon
or Envy Inverters

Avalon Battery 1 e1714490318396

Fortress Power Avalon,
eFlex 5.4, eVault Max Batteries

SEP 1 e1714490237206

Fortress Power Avalon
Smart Energy Panel (SEP)

*Guardian required for eVault Max or eFlex systems

Fortress Power Additional Features

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Maximize your revenue by automatically participating in all available programs and markets

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Weather and outage monitoring ensures your entire battery capacity is available when needed

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Receive personalized advice if you can save money by switching to another utility rate plan

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24/7 monitoring of your solar and energy storage system

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Reduce your monthly utility bills

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We dispatch your battery instead of gas peaker plants, helping minimize overall greenhouse gas emissions

Already have a
Fortress Power System?

Want to get a Fortress Power System?

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