The Integrated Resource Plan (IRP) is one of the most important planning tools and road maps for each electric utility. In general, the goal of an IRP is to set out a reasonable plan to ensure that a utility can meet its customers’ needs in a reliable and low-cost manner. The word “integrated” refers to the goal of ensuring that the utility uses both generation and demand-response resources. The Division of Energy Resources ensures that the utility has a reasonable (e.g., low-cost and in compliance with statutes) plan to meet its customers’ needs. Further, based on the division’s analysis, the Minnesota Public Utilities Commission determines in an IRP whether or not a utility has made a “good-faith effort” to meet Minnesota’s renewable energy standard (RES).