B28 SUBSCRIPTS USED: N/A - SUBSCRIPTS USED: N/A

Appendix B: Key Variables in Energy Choice Simulator Model

SUBSCRIPTS USED: N/A

III- B28 SUBSCRIPTS USED: N/A

DATA SOURCE: Modeling assumption based on expert consultation (-0.10). Average NonElectric Building Heating Capacity Construction Time: UNIT: Number of Years

DESCRIPTION: Time required to construct additional nonelectric building heating capacity. USE: Used to calculate the construction completion rate.

SUBSCRIPTS USED: NonElectric Building Heating Technology and Primary Sector DATA SOURCE: Assumption

ENERGY EFFICIENCY-POLICY

Number of Years to Include in Average Building Demand: UNIT: Number of Years

DESCRIPTION: Number of years used to include in the calculation of average building electricity demand. USE: Used to calculate average demand as a part of the general efficiency mandate

SUBSCRIPTS USED: N/A

DATA SOURCE: None (3 year default)

Growth in Energy Demand from Construction by Sector: UNIT: Fraction

DESCRIPTION: Growth in energy demand from new construction.

USE: Used to calculate how much energy demand growth is from construction. SUBSCRIPTS USED: Primary Sector

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern

Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis. Residential: EE6 line 48, Commercial: 66, Industrial: EE6 line 48, 66, and EE5 line 43. http://www.midwesterngovernors.org/energy.htm Average Existing Public Building Electric Efficiency:

UNIT: Trillion BTU/Square Feet

DESCRIPTION: Average efficiency of existing public buildings in the electric sector. USE: Used to calculate efficiency improvements required under efficiency policies. SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Energy Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis: EE6 Line 66. http://www.midwesterngovernors.org/energy.htm

Average Existing Public Building NonElectric Efficiency: UNIT: Trillion BTU/Square Feet

DESCRIPTION: Average efficiency of existing public buildings in the nonelectric sector. USE: Used to calculate efficiency improvements required under efficiency policies. SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis: EE6 Line 67. http://www.midwesterngovernors.org/energy.htm

Average New Public Building Electric Efficiency: UNIT: Trillion BTU/Square Feet

DESCRIPTION: Average efficiency of new public buildings in the electric sector. USE: Used to calculate efficiency improvements required under efficiency policies. SUBSCRIPTS USED: N/A

Average New Public Building Non Electric Efficiency: UNIT: Trillion BTU/Square Feet

III-B29

USE: Used to calculate efficiency improvements required under efficiency policies. SUBSCRIPTS USED: N/A

Existing Public Buildings: UNIT: Square Feet

DESCRIPTION: Existing Public Buildings

USE: Used to calculate efficiency improvements in existing buildings in the nonelectric building heating and electric sector.

SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis: EE6 Commercial Floorspace with Public Fraction. http://www.midwesterngovernors.org/energy.htm

New Public Buildings: UNIT: Square Feet

DESCRIPTION: New public building annually.

USE: Used to calculate efficiency improvements in buildings in the nonelectric building heating and electric sector. SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis: EE6 Implied New Commercial Floorspace with Public Fraction (Line 66). http://www.midwesterngovernors.org/energy.htm Rate of Compliance with Building Codes:

UNIT: Fraction

DESCRIPTION: Fraction of compliance with building codes

USE: Used to impact the potential impact of the building codes policy. SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm

Ratio of Space Conditioning to Total Electricity Demand: UNIT: Fraction

DESCRIPTION: Portion of electricity demand devoted to building heating that is therefore reduced by new building codes.

USE: Portion of electricity demand devoted to building heating that is therefore reduced by new building codes. SUBSCRIPTS USED: Primary Sector

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm

Ratio of Space Conditioning to Total NonElectric Building Heating Demand: UNIT: Fraction

DESCRIPTION: Portion of electricity demand devoted to building heating that is therefore reduced by new building codes.

USE: Used to calculate the fraction of total electricity used for heating. SUBSCRIPTS USED: Primary Sector

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm

Private Efficiency Improvements Beyond Code Compliance Rate: UNIT: Fraction

III-B30

DESCRIPTION: Assumed efficiency improvements in the private sector beyond what is required by policy. USE: Input an efficiency improvement trend to assume additional private efficiency increases by a percentage amount.

SUBSCRIPTS USED: Primary Sector

DATA SOURCE: User input assumption, baseline data from MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis. http://www.midwesterngovernors.org/energy.htm

State/Provincial Local Fraction of Public Space: UNIT: Fraction

DESCRIPTION: Portion of public buildings that are state or local buildings that can be governed by efficiency policy.

USE: Used to implement efficiency policy on state/local public buildings SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm

NonElectric Building Heating Efficiency Mandate Overlap: UNIT: Fraction

DESCRIPTION: Amount of overlap efficiency mandates have with efficiency investment. USE: Used to calculate overlap between efficiency mandates and investment.

SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm Electricity Efficiency Mandate Overlap: UNIT: Fraction

DESCRIPTION: Amount of overlap efficiency mandates have with efficiency investment. USE: Used to calculate overlap between efficiency mandates and investment.

SUBSCRIPTS USED: N/A

DATA SOURCE: MGA EEAG (2008), Estimate of Mitigation Option Costs and Benefits for Midwestern Governors’ Association (MGA) Energy Efficiency Advisory Group (EEAG) GHG Analysis.

http://www.midwesterngovernors.org/energy.htm Time Needed to Retrofit Existing Buildings: UNIT: Number of Years

DESCRIPTION: Assumption of the number of years needed to retrofit existing buildings for efficiency improvements.

USE: Input the assumed number of years. SUBSCRIPTS USED: N/A

DATA SOURCE: Assumption based on consultation with Liz Marshall from World Resources Institute (2009). ENERGY EFFICIENCY-SPENDING

Cost of Saving Energy from Appliance Standards: UNIT: Dollar/Trillion BTUs

DESCRIPTION: Expected costs of implementing appliance standards and is used to calculate the economic impacts of the appliance standards policy.

USE: Input the appliance standards policy to change the costs of saving energy from appliances. SUBSCRIPTS USED: N/A

III-B31

In document Minnesota Low Carbon Fuels Standard Study (Page 108-111)