<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Registrant's unaudited interim financial statements for the nine month period
ended September 30, 2000 and is qualified in its entirety by reference to those
financial statements.
</LEGEND>
<CIK> 0000930364
<NAME> RIDGEWOOD ELECTRIC POWER TRUST IV
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> SEP-30-2000
<CASH> 1,121,063
<SECURITIES> 10,672,597<F1>
<RECEIVABLES> 1,279,045
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 3,381,470<F2>
<PP&E> 16,824,198
<DEPRECIATION> (3,691,680)
<TOTAL-ASSETS> 34,833,907
<CURRENT-LIABILITIES> 2,882,488<F3>
<BONDS> 2,894,884
<COMMON> 0
0
0
<OTHER-SE> 23,334,019<F4>
<TOTAL-LIABILITY-AND-EQUITY> 34,833,907
<SALES> 5,580,374
<TOTAL-REVENUES> 5,857,124
<CGS> 4,445,050
<TOTAL-COSTS> 4,445,050
<OTHER-EXPENSES> 4,779,010
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> (4,065,651)<F5>
<INCOME-TAX> 0
<INCOME-CONTINUING> (4,065,651)<F5>
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (4,065,651)<F5>
<EPS-BASIC> (8,525)
<EPS-DILUTED> (8,525)
<FN>
<F1>Investment in hydroelectric project, Santee River project and Biomass
project accounted for on equity method in financial statements.
<F2>Includes $907,125 due from affiliates.
<F3>Includes $703,057 due to affiliates.
<F4>Shareholders' equity of $23,505,746 less managing share-
holders' accumulated deficit of $171,727.
<F5>After deduction of minority interest in Providence Project
earnings of $288,911.
</FN>
</TABLE>
