**Exhibit 10.6.5**
**Summary of 2010 Incentive Plans**
On December 15, 2009, the Human Resources Committee (the “Committee”) approved the Pinnacle West 2010 AnnualIncentive Award Plan (the “PNW Plan”), which provides an incentive award opportunity for Donald E. Brandt, the Chairmanof the Board and Chief Executive Officer of Pinnacle West and Arizona Public Service Company (“APS”). On December 16,2009, the Board of Directors of Pinnacle West, acting on the recommendation of the Committee, approved the APS 2010Annual Incentive Award Plan (the “APS Plan”) and the 2010 APS Palo Verde Employee Incentive Plan (the “Palo VerdePlan”), which provide incentive award opportunities for Pinnacle West and APS employees, including the following “namedexecutive officers” from the 2009 Proxy Statement: James R. Hatfield, Senior Vice President, Chief Financial Officerand Treasurer; Randall K. Edington, Executive Vice President and Chief Nuclear Officer of APS; and Steven M. Wheeler,Executive Vice President, Customer Service and Regulation, of APS. The PNW Plan, the APS Plan, and the Palo Verde Planare referred to collectively herein as the “2010 Plans.”
No incentive payments will be awarded under the 2010 Plans unless Pinnacle West, with respect to Mr. Brandt, andAPS, with respect to Messrs. Hatfield, Wheeler and Edington, achieves a specified threshold earnings level. TheCommittee may evaluate the impacts of unusual or nonrecurring adjustments to earnings in determining whether anyearnings level has been met for purposes of the 2010 Plans, and the impacts of any sale or disposal of assets will beexcluded for purposes of the PNW Plan.
The award opportunity for Mr. Brandt under the PNW Plan is based on the achievement of specified 2010 PinnacleWest earnings levels. The award achieved may be further adjusted by the Committee based upon its evaluation of Mr.Brandt’s individual performance. Mr. Brandt has an award opportunity of up to 50% of his base salary if the thresholdearnings level is met, up to 100% of his base salary if a target earnings level is met, and up to 150% of his basesalary if a maximum earnings level is met, before adjustment for individual performance. In considering Mr. Brandt’sindividual performance, the Committee may take into account factors such as shareholder value, financial strength,operating performance, development and execution of corporate strategy and safety.
The award opportunities for Messrs. Hatfield and Wheeler under the APS Plan are based on the achievement ofspecified 2010 APS earnings levels and specified business unit performance goals. The awards achieved may be furtheradjusted by the Committee, with input from the Chief Executive Officer, based upon its evaluation of each officer’sindividual performance. Each officer has a target award opportunity of up to 50% of his base salary. He may earn lessthan the target amount or more, up to a maximum award opportunity of up to 100% of his base salary, depending on theachievement of the earnings and business unit performance goals separately or in combination, and before adjustment forindividual performance. The business unit performance measures that will be considered for Mr. Hatfield and Mr. Wheelerare derived from APS’ five critical areas of focus as provided in its Strategic Framework: customers and communities, employees, environmental stewardship, operational excellence and shareholdervalue. In considering each officer’s individual performance, with input from the Chief Executive Officer, the Committeemay take into account factors such as effective cost and financial management, APS’ financial strength, operationalperformance, customer service, regulatory processes and safety.  
The award opportunity for Mr. Edington under the Palo Verde Plan is based on the achievement of specified 2010 APSearnings levels and specified business unit performance goals. Mr. Edington has an award opportunity of 25% of his basesalary up to 100% of his base salary depending on the achievement of the earnings and business unit performance goalsseparately or in combination. The business unit performance indicators that will be considered for Mr. Edington are inthe areas of safety, employee performance, achievement of operational metrics for the Palo Verde Nuclear GeneratingStation, performance improvement in key areas, and cost management.
In no event may any individual award under the PNW Plan or the APS Plan exceed 200% of the target payout level.
 
1