California PUC Set at the minimum N/A This methodology was output achieved implemented in June historically in 70% or 2009. more of the hours for State legislation each month. Based on requires the CPUC to three years of historic revise wind and solar data from 1-6 p.m. capacity values based between April and on effective load October and from 4-9 carrying capability. p.m. between November and March. Public Service of 5% 55% From 2011 integrated New Mexico resource plan. Tri-State Less than 2% 20% - 57% From 2010 integrated Generation and resource plan. Transmission Public Service 12.5% 55% Wind capacity credit Company of used in the 2007 IRP Colorado plan. Solar capacity credit used in the 2011 electric resource plan.
California PUC Set at the minimum output achieved historically in 70% or more of the hours for each month. Based on three years of historic data from 1-6 p.m. between April and October and from 4-9 p.m. between November and March. N/A This methodology was implemented in June 2009. State legislation requires the CPUC to revise wind and solar capacity values based on effective load carrying capability. Public Service of New Mexico 5% 55% From 2011 integrated resource plan. Tri-State Generation and Transmission Less than 2% 20% - 57% From 2010 integrated resource plan. Public Service Company of Colorado 12.5% 55% Wind capacity credit used in the 2007 IRP plan. Solar capacity credit used in the 2011 electric resource plan.
Variable%20Generation%20Capacity%20Assignment.docx