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Energy Finance

Energy Savings and Economic Impact of Green Roofs: A Pilot Study

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Pages 1778-1792 | Published online: 24 May 2018
 

ABSTRACT

This study focuses on the energy savings and economic impact of green roof systems applied to Central Bodrum, a district in southwestern Turkey. Energy savings of the buildings were evaluated based on the added thermal resistance on the roofs and corresponding heat transmission through the roofs. Four different scenarios, two without green financing and two with green consumer loans for retrofitting financed by the central government via the state-owned banks, were studied. The economic impact of this activity on the economy is estimated based on sectoral employment multipliers for a period of 10 years. Based on the scenario analysis and the priorities of the Turkish economy, given the employment benefits and energy savings which would reduce the energy demand in the area in the peak season, we propose that the government implements green consumer loans for retrofitting through the state-owned banks.

Acknowledgments

The authors are grateful to Gül Şenel, the Greenroof Product Manager from BTM for her generous support and invaluable advice.

Notes

1. The trade deficit in 2016 was 56 billion dollars and the trade deficit in the three product groups named mineral fuels, lubricants, and related materials was 24 billion dollars. These figures were obtained from The Turkish Statistical Institute (TUIK) website (www.tuik.gov.tr).

2. The Turkish Statistical Institute (TUIK) announced that the nonfarm unemployment rate had reached 13% in 2016 and in January 2017, the unemployment rate had reached 13% and nonfarm unemployment rate had reached 15.2%.

3. Prices of plants were obtained from the following landscaping companies:

Zen garden: http://www.zengardentr.com

Yalova Su Fidan: https://www.yalovasufidan.com

Fidan İstanbul: http://fidanistanbul.com

http://e-fidancim.com

http://www.canimbahcem.com

Antik Badem Peyzaj, İzmir.

4. The Turkish Statistics Institute (TUIK) only provides employment figures at the regional level. The Central Bodrum Area is a neighborhood in Bodrum which is a district of the province of Muğla. Provinces Muğla, Aydın, and Denizli are one of the 26 regions in Turkey according to the NUTS (Nomenclature of territorial units for statistics) classification 2. The 2016 employment figure for this region is 1176,000 (www.tuik.gov.tr).

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