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Constraints to the uptake of solar home systems in Ho Chi Minh City and some proposals for improvement

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  • Baulch, Bob
  • Duong Do, Thuy
  • Le, Thai-Ha

Abstract

This study examines the constraints to the uptake of Solar Home Systems (SHS) in Ho Chi Minh City (HCMC), Vietnam. SHS are photovoltaic systems which generate electricity for residential properties. The limited numbers of SHS installed in HCMC are mostly on-grid systems with backup batteries to supply electricity to residential properties during evenings and/or power cuts. Semi-structured interviews with SHS installers, manufacturers and users, plus government agencies and technical experts identify pricing, regulatory issues and the cost of systems as major constraints. Cost-benefit analysis is then used to estimate the financial rates of return and payback periods for three representative SHS. Introducing net metering with a price equal to the proposed tariff of VND 3250/kWh would generate financial rates of return of over 7.5% and shorten the payback periods for the two larger systems from more than 30 years to 12 or 13 years. Smaller off-grid kits are already competitive with small, stand-alone diesel or gasoline generators. In the next five years, reforms to Vietnam's electricity market can be expected to green the energy mix and make SHS more finally attractive. SHS therefore represent a promising technology for HCMC in the future.

Suggested Citation

  • Baulch, Bob & Duong Do, Thuy & Le, Thai-Ha, 2018. "Constraints to the uptake of solar home systems in Ho Chi Minh City and some proposals for improvement," Renewable Energy, Elsevier, vol. 118(C), pages 245-256.
    • Handle: RePEc:eee:renene:v:118:y:2018:i:c:p:245-256
    DOI: 10.1016/j.renene.2017.10.106
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    References listed on IDEAS

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    1. Wamukonya, Njeri, 2007. "Solar home system electrification as a viable technology option for Africa's development," Energy Policy, Elsevier, vol. 35(1), pages 6-14, January.
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    More about this item

    Keywords

    Solar home systems; Vietnam; Electricity; Payback period;
    All these keywords.

    JEL classification:

    • Q42 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Alternative Energy Sources
    • Q48 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Energy - - - Government Policy
    • R48 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Government Pricing and Policy

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