<ARTICLE> 5  
<LEGEND>  
This schedule contains summary financial information extracted from the 
Registrant's unaudited interim financial statements for the three months 
ended March 31, 1998 and is qualified in its entirety by reference to 
those financial statements.  
</LEGEND>  
<CIK> 0000930364  
<NAME> RIDGEWOOD ELECTRIC POWER TRUST IV  
         
                                         
<PERIOD-TYPE>                              3-MOS  
<FISCAL-YEAR-END>                          DEC-31-1998  
<PERIOD-END>                               MAR-31-1998  
<CASH>                                       8,858,191  
<SECURITIES>                                13,621,362<F1>  
<RECEIVABLES>                                1,105,278  
<ALLOWANCES>                                         0  
<INVENTORY>                                          0  
<CURRENT-ASSETS>                            10,654,667  
<PP&E>                                      15,417,294  
<DEPRECIATION>                              (1,173,549)  
<TOTAL-ASSETS>                              46,884,718 
<CURRENT-LIABILITIES>                        1,513,829  
<BONDS>                                      4,691,858  
<COMMON>                                             0  
<PREFERRED-MANDATORY>                                0  
<PREFERRED>                                          0  
<OTHER-SE>                                  34,245,122  
<TOTAL-LIABILITY-AND-EQUITY>                46,884,718  
<SALES>                                              0  
<TOTAL-REVENUES>                             1,795,722  
<CGS>                                        1,245,783  
<TOTAL-COSTS>                                1,245,783  
<OTHER-EXPENSES>                               352,483  
<LOSS-PROVISION>                                     0  
<INTEREST-EXPENSE>                             129,430  
<INCOME-PRETAX>                                149,214<F2> 
<INCOME-TAX>                                         0  
<INCOME-CONTINUING>                            149,214  
<DISCONTINUED>                                       0  
<EXTRAORDINARY>                                      0  
<CHANGES>                                            0  
<NET-INCOME>                                   149,214  
<EPS-PRIMARY>                                      312
 <EPS-DILUTED>                                     312
  
<FN>  
<F1>Investment in hydroelectric project and biomass project
accounted for on equity method in financial statements.  
<F2>After deduction of minority interest in Providence Project
earnings of $140,882.
</FN>