0000315066-01-000267 SC 13G/A 1 20010213 CALPINE CORP 0000916457 4911 770212977 DE 1231 SC 13G/A 34 005-48317 1537984 50 WEST SAN FERNANDO ST SAN JOSE CA 95113 4089955115 50 W SAN FERNANDO SUITE 500 SAN JOSE CA 95113 FMR CORP 0000315066 0000 161144965 MA 1231 SC 13G/A 82 DEVONSHIRE ST BOSTON MA 02109 6175706339 82 DEVONSHIRE STREET BOSTON MA 02109 SC 13G/A 1 0001.txt SCHEDULE 13G - 02-14-01 - CALPINE CORPORATION