PREHEARING Docket No. 070001-EI - Fuel and purchased power cost recovery clause with generating performance incentive factor. Docket No. 070002-EG - Energy conservation cost recovery clause. Docket No. 070003-GU - Purchased gas adjustment (PGA) true-up. Docket No. 070004-GU - Natural gas conservation cost recovery. Docket No. 070007-EI - Environmental cost recovery clause. PURPOSE: To consider (1) the simplification of the issues; (2) the identification of the positions of the parties on the issues; (3) the possibility of obtaining admissions of fact and of documents which will avoid unnecessary proof; (4) the identification of the exhibits; (5) the establishment of an order of witnesses; and, (6) such other matters as may aid in the disposition of the action.