Requires the department of community, trade, and economic development to develop and implement a strategic plan for enhancing energy efficiency in and reducing greenhouse gas emissions from homes, building, districts, and neighborhoods.

Directs the department and the state building code council to convene a work group to inform the initial development of the strategic plan.

Requires the state energy code to be designed to accelerate construction of increasingly energy efficient homes and buildings that help achieve the broader goal of building zero fossil-fuel greenhouse gas emission homes and buildings by the year 2031.

Requires the state building code council to adopt state energy codes from 2013 through 2031 that incrementally move towards achieving seventy percent reduction in annual net energy consumption.

Requires qualifying utilities to: (1) Maintain records of the energy consumption data of all nonresidential and qualifying public agency buildings to which they provide service;

(2) Create an energy benchmark for each reporting public facility using a portfolio manager;

(3) Report the environmental protection agency national energy performance rating for each reporting public facility included in the technical requirements for this rating to the department of general administration; and

(4) Link all portfolio manager accounts to the state portfolio manager master account to facilitate public reporting.

Requires the department of community, trade, and economic development to recommend to the legislature a methodology to determine an energy performance score for residential buildings and an implementation strategy to use such information to improve the energy efficiency of the state's existing housing supply.

     Requires the department of general administration to:(1) Establish a state portfolio manager master account;

(2) Select a standardized portfolio manager report for reporting public facilities;

(3) Make the standard report of each reporting public facility available to the public through the portfolio manager web site;

(4) Develop a technical assistance program to facilitate the implementation of a preliminary audit and the investment grade energy audit and design the program to utilize audit services provided by utilities or energy services contracting companies when possible; and

(5) Conduct a review of facilities not covered by the national energy performance rating, and based on this review, develop a portfolio of additional facilities that require preliminary energy audits.

Provides that sections 3, 5, 7, and 8 of the act shall be in effect only during fiscal periods in which specific appropriations are provided referencing the act or chapter number and the relevant section number.