enron hpl actuals july 21 23 2000 july 21 2000 teco tap 40 000 hpl iferc ls hpl lsk ic 30 000 enron july 22 2000 teco tap 40 000 hpl iferc ls hpl lsk ic 30 000 enron july 23 2000 teco tap 50 000 hpl iferc 10 000 enron ls hpl lsk ic 30 000 enron