Are Building Codes Effective at Saving Energy? Evidence from Residential Billing Data in Florida

37 Pages Posted: 20 Jul 2010 Last revised: 2 Apr 2022

See all articles by Grant Jacobsen

Grant Jacobsen

University of Oregon - School of Planning, Public Policy, and Management

Matthew J. Kotchen

Yale University; National Bureau of Economic Research (NBER)

Date Written: July 2010

Abstract

In response to the 1973 oil embargo, many states began passing building energy codes in order to promote energy efficiency. While the vast majority of states have energy codes in place, policymakers are now attempting to legislate energy codes at the federal level to help address more recent concerns about energy efficiency and climate change. Nevertheless, surprisingly little is known about whether energy codes are an effective way to reduce energy consumption in practice. This paper provides the first evaluation of an energy-code change that uses residential billing data on both electricity and natural gas, combined with data on observable characteristics of each residence. The study takes place in Gainesville, Florida, and the empirical strategy is based on comparisons between residences constructed just before and just after Florida increased the stringency of its energy code in 2002. We find that the increased stringency of the energy code is associated with a 4-percent decrease in electricity consumption and a 6-percent decrease in natural-gas consumption. The pattern of savings is consistent with reduced consumption of electricity for air-conditioning and reduced consumption of natural gas for heating. We also estimate economic costs and benefits and find that the private payback period for the average residence is 6.4 years. The social payback period, which accounts for the avoided costs of air-pollution emissions, ranges between 3.5 and 5.3 years.

Suggested Citation

Jacobsen, Grant and Kotchen, Matthew J., Are Building Codes Effective at Saving Energy? Evidence from Residential Billing Data in Florida (July 2010). NBER Working Paper No. w16194, Available at SSRN: https://ssrn.com/abstract=1645722

Grant Jacobsen (Contact Author)

University of Oregon - School of Planning, Public Policy, and Management ( email )

1280 University of Oregon
Eugene, OR 97403
United States

Matthew J. Kotchen

Yale University ( email )

New Haven, CT 06520
United States

National Bureau of Economic Research (NBER) ( email )

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

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