Integrated resource planning (IRP) is a planning process for new energy resources that evaluates the full range of alternatives, including new generating capacity, power purchases, energy conservation and efficiency, and renewable energy resources, to provide reliable service to electric consumers.
The Southern Nevada Water Authority (SNWA) drought plan was developed in 2002, and adopted by the SNWA Board of Directors on February 20, 2003, to induce a level of water conservation necessary for the region to respond to various drought conditions.