EXHIBIT 24 -- POWERS OF ATTORNEY

POWER OF ATTORNEY


         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, John Belknap,
appoints  Robert E. Swanson and Martin V. Quinn,  and each of them,  as his true
and lawful attorneys-in-fact with full power to act and do all things necessary,
advisable or appropriate,  in their  discretion,  to execute on his behalf as an
Independent  Trustee  of  Ridgewood  Electric  Power  Trust  I and of  Ridgewood
Electric  Power  Trust IV,  the  Annual  Reports on Form 10-K for the year ended
December 31, 1998 for each of the  above-named  trusts,  and all  amendments  or
documents relating thereto.

         IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
this 27th day of March, 1999, at Naples, Florida.

                                 /s/John Belknap
                                                     John Belknap

POWER OF ATTORNEY


         KNOW ALL  PERSONS  BY THESE  PRESENTS,  that the  undersigned,  Richard
Propper, M.D., appoints Robert E. Swanson and Martin V. Quinn, and each of them,
as his true  and  lawful  attorneys-in-fact  with  full  power to act and do all
things necessary,  advisable or appropriate,  in their discretion, to execute on
his behalf as an Independent  Trustee of Ridgewood Electric Power Trust I and of
Ridgewood  Electric Power Trust IV, the Annual Reports on Form 10-K for the year
ended December 31, 1998 for each of the above-named  trusts,  and all amendments
or documents relating thereto.

         IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney
this 27th day of March, 1999, at Naples, Florida.

                                                 /s/Richard Propper, M.D.
                                                     Richard Propper, M.D.