<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM STAR GAS
PARTNERS, L.P. AND SUBSIDIARIES CONSOLIDATED BALANCE SHEET AS OF SEPTEMBER 30,
2000 AND CONSOLIDATED STATEMENT OF OPERATIONS FOR THE YEAR ENDED SEPTEMBER 30,
2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001002590
<NAME> STAR GAS PARTNERS, L.P.
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-START> OCT-01-1999
<PERIOD-END> SEP-30-2000
<CASH> 10,910
<SECURITIES> 0
<RECEIVABLES> 68,814
<ALLOWANCES> 1,956
<INVENTORY> 34,407
<CURRENT-ASSETS> 126,990
<PP&E> 221,984
<DEPRECIATION> 50,684
<TOTAL-ASSETS> 618,976
<CURRENT-LIABILITIES> 164,796
<BONDS> 310,414
0
0
<COMMON> 139,178
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 618,976
<SALES> 642,712
<TOTAL-REVENUES> 744,664
<CGS> 383,828
<TOTAL-COSTS> 501,589
<OTHER-EXPENSES> 212,028
<LOSS-PROVISION> 2,669
<INTEREST-EXPENSE> 26,784
<INCOME-PRETAX> 1,594
<INCOME-TAX> 492
<INCOME-CONTINUING> 1,353
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,353
<EPS-BASIC> .07
<EPS-DILUTED> .07
</TABLE>