Specifications include, but are not limited to: provide a detailed analysis and conclusions related to the necessity and economic prudence for MDU’s proposal to build own and operate the Heskett 4 facility. MDU has provided schedules, analysis and explanations of its case and various adjustments. Consequently, the selected offeror must review and use the already provided material before submitting data requests. Sending hundreds of “canned” data requests that the selected offeror has no intention of using the responses to evaluate the case will not be allowed. The data requests that are submitted must be clear, concise and likely to produce useful information for the case. The commission ratepayer advocacy staff has a right to review the data requests to ensure their value.