International Energy Studies Group
Energy Analysis and Environmental Impacts Division


Appliance Energy Efficiency

Appliance Energy Efficiency

The International Energy Studies Group assists governments, utilities, and the private sector in analyzing and implementing policies and programs to improve the energy efficiency of appliances. We develop analytical tools and provide technical assistance for multilateral initiatives and tasks within the International Partnership for Energy Efficiency Cooperation.

The Bottom-Up Energy Analysis System (BUENAS) projects appliance energy demand and emissions through 2030 globally and by country. BUENAS provided input to IEA World Energy Outlook 2012 and was featured in IIASA Global Energy Assessment, IPCC 5th Assessment.

In collaboration with Prayas Energy Group, we supported the conceptualization and design of the first national level upstream incentive program for superefficient appliances in India (the Super-Efficient Equipment Program (SEEP) of the Bureau of Energy Efficiency (BEE), Government of India, which is being financed by the World Bank.

Recent Work

Bottom-Up Energy Analysis System (BUENAS)

BUENAS projects appliance energy demand and emissions through 2030 globally and by country. The current version of BUENAS covers 13 major national economies that account for ~80% of global energy demand and covers 15 building and industrial appliances and equipment categories, for a total of~200 equipment and country combinations.

Energy Savings Potential by Appliance in 2030

Energy Savings Potential by Appliance in the SEAD Economies in 2030

Letschert, et. al. (2013). Energy Efficiency Appliance Standards: Where do we stand, how far can we go and how do we get there?
An analysis across several economies. ECEEE Summer Study, France.

BUENAS simulates policy scenarios such as:

  • Best Practices — Identifies 'achievable' efficiency targets basedon alignment of Minimum Energy Performance Standards (MEPS) across regions to model harmonization potential
  • Cost-Effective Potential — Models economic potential of high-efficiency appliance and equipment by integrating BUENAS and Global Energy Efficiency Cost (GEEC) Database developed at LBNL
  • Best-Available Technology — Characterize Most Aggressive efficiency scenario representing technical potential

Multilateral Initiatives

Multilateral initiatives seek to engage governments and the private sector to transform the global market for energy-efficient equipment and appliances. The IES group provides technical support to working groups on energy efficiency market transformation policies (e.g., standards and labeling, awards, procurement and financial incentives). We also conduct product-specific studies to identify remaining opportunities for energy efficiency improvement. IES has conducted studies on, for example, room air conditioners, ceiling fans, TVs, and computer monitors. The IES group also provides technical support for appliance energy efficiency programs to several foreign governments.

Policy Analysis Modeling System for Minimum Energy Performance Standards (PAMS-MEPS)

The PAMS-MEPS tool is an easy-to-use software to help policymakers assess the benefits of standards and labeling programs and to identify the most attractive targets for appliance efficiency levels.

Visit our tool page.

Regulatory Assistance Project (RAP)
Collaborative Labeling and Appliance Standards Program (CLASP)
Prayas Energy Group

Related Publications:




Zhou, Nan, David Fridley, Michael A. McNeil, Nina Khanna, Wei Feng, and Jing Ke. Quantifying the potential impact of energy efficiency and low carbon policies for China In the European Council for an Energy-Efficient Economy’s 2013 Summer Study on Energy Efficiency. Toulon, France: the European Council for an Energy-Efficient Economy, 2013. Download: PDF (831.42 KB)




Zhou, Nan, David Fridley, Michael A. McNeil, Nina Zheng, Virginie E. Letschert, and Jing Ke. "Analysis of Potential Energy Saving and CO2 Emission Reduction of Home Appliances and Commercial Equipments in China." In The 2010 American Council for an Energy Efficient Economy's Summer Study on Energy Efficiency in Buildings., 2010. Download: PDF (4.45 MB)