enron hpl actuals june 23 25 2000 june 23 2000 teco tap 20 000 enron 70 000 hpl iferc ls hpl lsk ic 30 000 enron june 24 2000 teco tap 50 000 enron 50 000 hpl iferc june 25 2000 teco tap 50 000 enron 59 917 hpl iferc