Exhibit 23

Consent of Independent Registered Public Accounting Firm

Board of Directors and Stockholders
Solar Power, Inc.
Roseville, California

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-147246) of Solar Power, Inc. of our report dated May 14, 2010, relating to the consolidated financial statements, which appear in this Form 10-K.

/s/ Macias Gini & O’Connell LLP

Sacramento, California

May 14, 2010