<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Registrant's unaudited interim financial statements for the six month period
ended June 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> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<CASH> 1,503,221
<SECURITIES> 15,511,542<F1>
<RECEIVABLES> 649,820
<ALLOWANCES> 0
<INVENTORY> 0
<CURRENT-ASSETS> 2,968,677<F2>
<PP&E> 16,790,857
<DEPRECIATION> (3,413,157)
<TOTAL-ASSETS> 39,512,284
<CURRENT-LIABILITIES> 2,644,597<F3>
<BONDS> 3,094,419
<COMMON> 0
0
0
<OTHER-SE> 27,981,732<F4>
<TOTAL-LIABILITY-AND-EQUITY> 39,512,284
<SALES> 3,644,548
<TOTAL-REVENUES> 3,829,048
<CGS> 3,091,687
<TOTAL-COSTS> 3,091,687
<OTHER-EXPENSES> 704,108
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 81,862<F5>
<INCOME-TAX> 0
<INCOME-CONTINUING> 81,862<F5>
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 81,862<F5>
<EPS-BASIC> 172
<EPS-DILUTED> 172
<FN>
<F1>Investment in hydroelectric project, Santee River project and Biomass
project accounted for on equity method in financial statements.
<F2>Includes $785,447 due from affiliates.
<F3>Includes $453,982 due to affiliates.
<F4>Shareholders' equity of $28,106,981 less managing share-
holders' accumulated deficit of $125,249.
<F5>After deduction of minority interest in Providence Project
earnings of $108,502.
</FN>
</TABLE>
