Exhibit 99.1

                   Capstone Turbine Appoints New COO

    CHATSWORTH, Calif.--(BUSINESS WIRE)--April 21, 2006--Capstone
Turbine Corporation(R) (www.microturbine.com) (NASDAQ:CPST), the
world's leading manufacturer of microturbine energy systems, announced
today that Mark Gilbreth has been appointed as the Company's Executive
Vice President & Chief Operating Officer effective April 18, 2006.
    Gilbreth most recently served as Vice President, Engineering
Technologies. Mark joined Capstone in 1995 and has held positions of
increasing responsibilities in Engineering, Program Management and
Customer Service. Prior to joining Capstone, he was employed as a
Product Development Engineer for five years with Sundstrand Power
Systems in San Diego.
    "I am pleased to announce the appointment of Mark to this
important new position. Mark has played a key role in the
commercialization of our microturbine systems during his ten year
career at Capstone. Mark's solid track record, his expertise and
experience makes him the ideal candidate to lead Capstone's
operations," said Capstone CEO John R. Tucker.
    In addition to the appointment of Gilbreth, Capstone is pleased to
announce that John C. Fink has been appointed to the position of
Executive Vice President, Business Development and Marketing. Fink
joined the Capstone Leadership Team in 2003 as Senior Vice President
and has held positions in Sales and Service, and Operations.
    "I am very excited about John's new role. His knowledge of
Capstone's markets, products and customers will be instrumental in
developing sales opportunities for our microturbine technology
solutions," said Tucker.
    These appointments will enable Tucker to further focus on
Capstone's global business strategies and developing strategic
alliances to facilitate Capstone's growth.

    About Capstone Turbine

    Capstone Turbine Corporation (www.microturbine.com) (NASDAQ:CPST)
is the world's leading producer of low-emission microturbine systems,
and was the first to market commercially viable microturbine energy
products. Capstone Turbine has shipped more than 3,500 Capstone
MicroTurbine systems to customers worldwide. These award-winning
systems have logged more than 11 million documented runtime operating
hours. Capstone Turbine is a member of the U.S. Environmental
Protection Agency's Combined Heat and Power Partnership, which is
committed to improving the efficiency of the nation's energy
infrastructure and reducing emissions of pollutants and greenhouse
gases. A UL-Certified ISO 9001:2000 certified company, Capstone
Turbine is headquartered in the Los Angeles area with sales and/or
service centers in New York, Mexico City, Milan, Shanghai and Tokyo.

    This press release contains "forward-looking statements," as that
term is used in the federal securities laws, with regard to
"expanding", "new opportunities", and similar phrases. These
forward-looking statements are subject to numerous assumptions, risks
and uncertainties described in Capstone's filings with the Securities
and Exchange Commission that may cause Capstone's actual results to be
materially different from any future results expressed or implied in
such statements. Capstone cautions readers not to place undue reliance
on these forward-looking statements, which speak only as of the date
of this release. Capstone undertakes no obligation, and specifically
disclaims any obligation, to release any revisions to any
forward-looking statements to reflect events or circumstances after
the date of this release or to reflect the occurrence of unanticipated
events.



    CONTACT: Capstone Turbine Corporation
             Alice Barsoomian, 818-407-3628