In Sister Joyce Meyer’s latest blog for the Global Sisters Report, she talks about solar energy in sub-Saharan Africa and if only progress moved faster.

After a recent personal experience in Tanzania and Malawi of electrical blackouts, cold showers, limited or no internet, cooking with charcoal, and the sight of mountains stripped of trees, I was reminded of a project I started in November 2016 to research how sisters in sub-Saharan Africa use solar energy.

I was motivated to continue it when sisters at the Association of Consecrated Women of East and Central Africa, or ACWECA, gathering in late August in Dar Es Salaam, Tanzania, questioned me about what I had found.

My original inspiration for this blog was the United Nations sustainable development goal No. 7, which is to promote alternative energy sources by 2030. I began to wonder about sisters’ use of renewables. I had come across some examples during my time as director of the Conrad N. Hilton Fund for Sisters, but did not collect any data. (The Conrad N. Hilton Fund for Sisters was established by the Conrad N. Hilton Foundation, which funds Global Sisters Report.)

Being most familiar with Zambia, I decided to ask the Zambia Association of Sisterhoods to distribute a questionnaire to the membership on their use of solar power.

The result of the exercise was not really a surprise. Over the years, I heard the same song: “It is too expensive, particularly the batteries, and it is a risky investment.” Of the 40 congregations who received the questionnaire, 10 replied. My hunch is that their responses reflect the majority.

Sisters living in towns where there is an electrical grid use commercial electricity, often supplemented with rooftop solar-powered water heaters for showers. In Zambia, the majority of electricity is hydro-produced, but because of poor maintenance and increased demand, the system is currently dysfunctional. According to the respondents, there are blackouts up to eight hours in one day. The frustrating thing is there is no warning when power will be cut.

In researching electrical power in Zambia, I found this interesting piece in the Lusaka Times comparing the costs of solar power and hydropower for the future of Zambia. The piece agrees with the sisters about the high cost of solar power, but because of poor management and maintenance of the once-excellent hydro system at Kariba Dam, solar is the major solution until the dam is repaired, if ever.

The questionnaire respondents confirmed my own experiences of visiting remote, rural areas in Zambia and most of Africa. Use of solar power, other than providing hot showers, is primarily in hospitals and clinics, where 8 out of 10 respondents reported solar allows for sustainable refrigeration and use of medical equipment. Many told of its use in education centers and farms for lighting, egg incubators for chicken projects, computers and televisions, and drip irrigation. Three refugee camps and an orphanage also use solar power as the primary source of lighting and pumping water.

Only a few of the 10 congregations have access to solar power for daily convent-household use, such as cooking stoves and water pumping. A small number of rural mission convents where there is no electricity grid use solar for lighting, running appliances, bringing piped water to their convents from nearby wells, and for irrigation.

A few sisters mentioned using solar energy for income-generating projects. One interesting example is the Comboni Sisters in western Zambia, who use solar for their Mother Earth Project. As part of the project, Moringa tree leaves are processed and packaged as tea and sold on local and international markets. An irrigation system also supports the sisters’ sustainable agriculture, including gardens that teach local people new ways of farming and a Moringa tree plantation. Other sisters install solar panels to pump water that they sell to surrounding villagers.

The respondents unanimously agreed that solar technology is expensive to install and maintain: Panels and batteries cost between $3,000 and $4,000 apiece. Sisters use local companies for purchasing, installation and maintenance training for panels and batteries but have found that not all companies are reliable or competent, causing problems to arise later, such as batteries that die early or panels that stop working.

Other challenges include companies’ high fees for labor and travel to remote areas where most sisters have their ministries. Some products are of poor quality, particularly batteries, which the sisters only discover too late. Investment in solar power is a risky business for most of them since they usually lack capital for technology replacements. Sisters and their co-workers maintain the panels and batteries as best they can.

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