The Consultation about Energy Use Plan is prescribed by the Rational Energy Utilization Act. The Consultation about Energy Use Plan submitted by only the public superintendent of project was enforced from 1999. The Consultation was enlarged in objects as including the private superintendent of project according to amendment of the Act in 2002, also the consultation was enlarged in objects of facilities etc. by amendment in 2006. The results of analysis shows that the mean annual energy intensity value per 103 ㎡ is 86.5toe, mean annual CO2 emission intensity per 103㎡ is 61.7TC and the mean annual energy saving effect is 13.0%, mean annual CO2 reduction effect is 13.4%, these effects equivalent to 0.33% of 2005 national primary energy consumption. Also benefit-cost ratio of whole objects is 1.67 and benefit-cost ratio of enlargement objects is 1.93, it means economic and social effect with the Consultation about Energy Use Plan are very excellent.