Washington, D.C. 20549


Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No.     )

Filed by the Registrant  ☒

Filed by a Party other than the Registrant  ☐

Check the appropriate box:


☐       Preliminary Proxy Statement



       Confidential, for Use of the Commission Only

           (as permitted by Rule 14a-6(e)(2))

☐       Definitive Proxy Statement


☒       Definitive Additional Materials


☐       Soliciting Material under §240.14a-12




(Name of registrant as specified in its charter)




(Name of person(s) filing proxy statement, if other than the registrant)

Payment of Filing Fee (Check the appropriate box):


No fee required.


Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.


  (1)   Title of each class of securities to which the transaction applies:


  (2)   Aggregate number of securities to which the transaction applies:


  (3)   Per unit price or other underlying value of the transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):


  (4)   Proposed maximum aggregate value of the transaction:


  (5)   Total fee paid:


Fee paid previously with preliminary materials.


Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.


  (1)   Amount Previously Paid:


  (2)   Form, Schedule or Registration Statement No.:


  (3)   Filing Party:


  (4)   Date Filed:

Slide 1

Q3 All Employee Meetings – August 2017 Scott Morris, Chief Executive Officer, Avista Corp. President and Chairman of the Board Mayo Schmidt, Chief Executive Officer, President and Director of Hydro One Limited

Slide 2

Effective regulatory outcomes Responsible resources & customer engagement Community & economic development Meet transaction milestones with Hydro one Current priorities

Slide 3

Achieve effective regulatory outcomes Establish long term foundation Washington AMI deferred accounting Power cost adjustment General rate case Oregon, Idaho and Alaska General rate cases Transaction approval State Federal

Slide 4

Responsible resources & customer engagement Preferred Resource Strategy Looking to publish by the end of the month Extending new resource need to 2026 Expanding Customer Engagement expands customer engagement with the addition of the Avista online marketplace

Slide 5

Community & economic development University District South landing bride connecting the U-District Looking at bringing IBM Watson Getting close to finalizing an anchor tenant and development partner Urbanova Smart and connected streetlight project Smart Cities Research Grant Shared Energy Economy Pilot

Slide 6

Meet transaction milestones with Hydro One The right partner at the right time Established a Combination Management Team Near term priorities Shareholder approvals Regulatory approvals Communications

Slide 7

Welcome Mayo Schmidt Chief Executive Officer, Director and President of Hydro One Limited