Exhibit 10.21

POWERSECURE INTERNATIONAL, INC.

Summary Sheet of Compensation of Non-Employee Directors

As of March 1, 2016



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|Director Fees:             |  | Cash retainer of $50,000 per year, plus per meeting fee (excluding regular quarterly meetings) of $2,000 per meeting.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
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|Board Chairman Fees:       |  | $30,000 per year                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
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|Committee Chairman Fees:   |  | $12,500 per year (Audit Committee and Compensation Committee) $10,000 per year (Nominating and Corporate Governance Committee and Risk Committee)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
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|Committee Membership Fees: |  | $7,500 per year per Committee                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
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|Stock Awards:              |  | New Non-Employee Directors: Upon initial election or appointment, a new non-employee director receives a number of restricted
shares of Common Stock equal to $50,000 divided by the closing sale price of the Common Stock on the date of initial election or appointment (or, if such date is not a trading day, on the first trading day thereafter) as reported by the New York
Stock Exchange, vesting on (i) if the new director is elected by stockholders at an annual meeting of stockholders for a three year term, on the last full day of such new directors term, and (i) for all other new directors, on the
third anniversary of election or appointment.  Continuing Non-Employee
Directors: On the date of each Annual Meeting of Stockholders, each continuing non-employee director receives a number of restricted shares of Common Stock, or restricted stock units (RSUs) that may be settled at a date after vesting , or a
combination of restricted shares and RSUs, at the election of such director, equal to $50,000 divided by the closing sale price of the Common Stock on the date of initial election or appointment as reported by the New York Stock Exchange, vesting in
four equal quarterly installments commencing three months after the Annual Meeting.