(3) Plan Filing: Specific Requirements. Plan filings must contain the following information:
(a) Executive Summary. Each utility shall prepare an Executive Summary, separately bound and suitable for distribution to the public, which shall be a non-technical description of the plan. This document shall summarize the contents of the Technical Volume(s). The summary shall include:
1. A brief introduction describing the utility, its existing facilities, purchase power arrangements, demand-side programs, and the purpose of the plan;
2. A description of the utility's relationship to the utility enterprise and to other utilities in regional associations, power pools and networks;
3. The base case forecast growth in peak demand and energy for the next twenty years, with and without utility demand-side programs, and a listing of the economic and demographic assumptions associated with each;
4. A summary of the system configurations proposed to meet expected energy service needs for the next twenty years, clearly showing the demand-side resources and supply-side resources contained in each. For each resource, the utility shall indicate its anticipated timing, magnitude, and cost;
5. A description of the major research projects and programs the utility will continue or commence during the ensuing three-year period, and the reasons for their selection;
6. A schedule for the acquisition of data, including planned activities to update and refine the quality of data used in forecasting, and budget for such acquisition;
7. A section describing any plans to acquire new or additional models for forecasting, or resource integration analysis and evaluation;
8. A tabulation of all costs associated with the development of the plan;
9. A tabulation of costs for which the utility will seek recovery and the method and timing of that recovery; and
10. Such other information as the Commission may determine appropriate.
(b) Technical Volume(s). Each utility shall prepare Technical volume(s) which shall include:
1. The information required by Rules 515-3-4-.03 through 515-3-4-.05:
2. A description detailing the relationship of the utility to the utility enterprise and to other utilities in regional associations, power pools and networks. The utility shall explain how planning and operation are coordinated among the utilities. The utility shall describe the terms of any contracts or agreements that govern the functioning of the enterprise, associations, power pools or networks;
3. A description of all major research projects and programs which will continue or commence within the next three years after filing the plan; and
4. Any other information as may be required by the Commission.
(c) Technical Appendix. A utility's plan must include a technical appendix. The appendix must contain the following:
1. Sufficient detail to enable the technically proficient reader to understand how the plan and its forecasts were prepared and to verify the adequacy and accuracy of the assumptions, data and the methods used in developing the plan;
2. All significant information used in the plan; and
3. Documentation, inputs, and summary outputs for all models and formulas used.
(d) Waiver of Information. If, after a good-faith effort, the utility cannot provide the data required by these rules, the utility must request a waiver, in writing. This request must be filed no less than 60 days prior to the filing of the plan. The utility must publish in appropriate media of mass dissemination that it has applied for a waiver. The request shall include:
1. Reference to the requirement for information that is the subject of the waiver request;
2. An explanation of the reasons the required information was impractical to supply; and
3. Proposed substitute information, if applicable.
If no waiver is granted, materials must be filed as required in the rules.