Exhibit 23

Consent of Independent Registered Public Accounting Firm

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 March 24, 2009, relating to the consolidated financial statements, which appear in this Form 10-K.

/s/ Macias Gini & O’Connell LLP

Macias Gini & O’Connell LLP
Sacramento, California

March 24, 2009