Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated June 14, 2010 relating to the consolidated financial statements and financial statement schedule of Capstone Turbine Corporation (which report expresses an unqualified opinion and includes an explanatory paragraph regarding the adoption of the guidance originally issued in Emerging Issues Task Force No. 07-05, Determining Whether an Instrument (or Embedded Feature) is Indexed on an Entitys Own Stock, (codified in FASB ASC Topic 815Derivatives and Hedging), effective April 1, 2009), and the effectiveness of Capstone Turbine Corporations internal control over financial reporting appearing in the Annual Report on Form 10-K of Capstone Turbine Corporation for the year ended March 31, 2010 and to the reference to us under the heading Experts in the Prospectus, which is part of this Registration Statement.
/s/ DELOITTE & TOUCHE LLP
Los Angeles, California
August 9, 2010