<PAGE>
EXHIBIT 23.4
INDEPENDENT AUDITORS' CONSENT
We consent to the use in this Registration Statement of SatCon Technology
Corporation on Form S-3 of our report dated May 25, 2000 appearing in the
Prospectus, which is part of this Registration Statement, on the financial
statements of Beacon Power Corporation for the years ended December 31, 1998 and
1999 and the period from May 8, 1997 (date of inception) to December 31, 1997,
and the period from May 8, 1997 (date of inception) to December 31, 1999. We
also consent to the reference to us under the heading "Experts" in such
Prospectus.
/s/ DELOITTE & TOUCHE LLP
Deloitte & Touche LLP
Boston, Massachusetts
October 25, 2000