Solar electrification by the concession approach in rural Limpopo ...

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Solar electrification by the concession approach in rural Limpopo province: Executive summaryExecutive summaryThe Energy Research Centre (ERC) at the University of Cape Town has been involved in a researchproject to monitor, evaluate and support the off-grid electrification programme initiated by theDepartment of Minerals and Energy in 1999 in three provinces of South Africa. The energy servicecompany (ESCO) approach, where a company installs and maintains solar home systems for feepayingclients was selected. Private companies were granted exclusive concessions to operate as theenergy service companies in the selected areas. A government subsidy was provided to reduce theconnection and service fees payable by the users.The three concession areas are in the northeast of KwaZulu Natal province, the northern part ofLimpopo province, and the northern part of Eastern Cape province. ERC has been working in theseconcession areas since May 2001, principally through conducting surveys with the aim ofunderstanding the social impacts and the installation and functioning of the solar home systems inorder to inform relevant stakeholders.This report is part of a series on the impact of the solar home systems. The first report 1 dealt with thefirst survey results from Eastern Cape Province. Following the above first set of reports, a second setof follow-up reports based on subsequent surveys in the three provinces will be prepared. Thesecond set of reports will explore the trends over the last two to three years following installation ofthe solar home systems. A summary report will conclude the series and will compare the findingsfrom the three provinces.The general background to the evolution of government policy on providing universal access toelectricity, and the integration of solar electrification is provided in the first report as well as anumber of papers and articles.The objectives of the household surveys.The household surveys aimed to explore the impacts of solar home systems over time, ascertainingthe nature and extent of any fuel switching associated with the solar home systems, impacts on rurallivelihoods, and attitudes of households exposed to solar home systemsA total of 280 households were interviewed in the survey for this report. 121 of the households weresolar home system-electrified, 45 were grid-electrified, and 114 were non-electrified. The gridelectrifiedand non-electrified households were used as control groups. All the households are inDuvhuledza, Tshamutilikwa, and Mbahe.Characteristics of the households surveyedSolar home system users were found to be the wealthiest; the mean monthly income for solar homesystem users was found to be R1543, compared to R1163 for grid users and R819 for non-electrifiedhouseholds. That solar home system users should have the highest mean monthly income is notsurprising because to qualify for these systems they had to have regular income. The mean monthlyper capita income showed a similar pattern, being highest for the solar home system-users. Thehousehold size of solar home system-users was found to be the largest, which was unexpected sincewealthier households tend to be smaller. The reason for this may be the presence of more relatives atthese wealthier households. The trend between the other sub-samples is more conventional, with thepoorer non-electrified households having larger household sizes.Installation of the solar home systemsInstallation for solar home systems were found to have been quite prompt, with over 80% ofrespondents getting their systems installed in one month or less following application. Grid users hadto wait longer, which may be the result of the more extensive infrastructural developments that haveto go with grid extension. Solar home system-users were largely satisfied with installation of theirsystems.1ERC. 2004. Solar Electrification by the Concession Approach in the Rural Eastern Cape: Phase 1. BaselineSurvey.ii
Solar electrification by the concession approach in rural Limpopo province: Executive summaryCustomer satisfaction and ambivalenceBy far the most liked feature of solar home systems was better light. Some ambivalence in attitudescan be expected since there are clear benefits and some frustrating limitations that come with solarhome systems. The frustration is compounded by initial ignorance of the capabilities of PV basedsystems. The expectation that the grid will be coming and the overwhelming preference for gridelectricity contribute to the ambivalence.The inability of solar home system to meet thermal needs such as cooking is one of the technology’sgreatest shortcomings considering the importance of this service. Most solar home system ownersseem to be unaware that grid-users face a similar dilemma in that the cost of grid electricityprecluded some 80% of them from using electricity for cooking.Problems with the solar home systemsAbout 40% of solar home system-users had had a problem with their systems. A similar percentage(37%) felt they were able to identify the problem and virtually all had reported the problems. Thereports were generally made to the energy store, but a few respondents reported to the chief, thetechnician, and the fee collector. How reliably or promptly these reports reached the service provideris not clear. 16% of the problems were unresolved at the time of the survey, but it is not possible tosay for how long the problems had been outstanding.Solar home system-users pay much more than the other households in the other sub-samples andthey were frustrated by this high cost. Their main suggestion for making payment easier was toreduce the service fee. Another major concern was the limitation in both what can be used with solarhome system, the number of rooms that could be supplied with power, and the time limitation onpower availability. The need to purchase other fuels adds to the cost of energy for solar home systemhouseholds.Cost, limited power and the cost of other necessary fuelsSolar home system users pay much more per month(R128) than the other sub-samples for theirenergy, a figure more than twice as much as grid-users (R59) who spend the least on energy amongthe three sub-samples. Solar home system-users are the only sub-sample with a mean monthlyexpenditure on energy that is above the overall mean of R93. The service level received by gridusers is practically unlimited for household level needs.Solar home system-users have to spend an additional R70 for other fuels on top of the R58 paid forthe solar home system each month. 68% of them thought they should be paying no more than R30per month for the service, which would be comparable to what grid users pay on average for theirelectricity.The cost of fuelsGas and fuelwood were found to be particularly expensive for the households who used them.Fuelwood was collected free by some 95% of households. Gas was more prevalent among solarhome system-users because their incomes allowed them to use this expensive fuel. The meanmonthly expenditures by solar home system-owners using the specified fuels were found to be aboutR21 on candles, R42 on paraffin, R129 on gas, R73 on fuelwood, R46 on dry cell batteries, and R11on car batteries (charging).Changes in fuel use after receiving solar home system or grid electricityThe major impact on fuel use was reduction in the use of lighting fuels, candles, and to a lesserextent paraffin. Because solar home systems cannot usually cover all rooms, candles and paraffincontinue to be used for the other rooms and also when the solar home system cuts out. No impacthad been made to the fuels supplying most household energy, i.e. those fuels meeting the thermalneeds, mainly cooking, water heating, and space heating. Thus, the range of fuels used by solarhome system-owners has not been altered. The need for supply of these fuels more conveniently stillneeds to be addressed.iii
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