Business group with more than 12 years of experience in America and the Caribbean that develops, builds and operates renewable energy projects. Contact online >>
Business group with more than 12 years of experience in America and the Caribbean that develops, builds and operates renewable energy projects.
At Enersys solar we promote and contribute to the paradigm shift in energy consumption in El Salvador
We work with the biggest and best solar panel installation brands in the world.
Companies that turn the sun into profit
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MCC’s $449.6 million El Salvador Compact (2007—2012) funded the $30 million Rural Electrification Sub-Activity, which included the $2 million Solar Panel Component to provide solar electricity to address energy needs where electrical grid extensions were not economically viable. The Solar Panel Component was built on the theory that providing solar electricity reduces use of alternative energy sources, in turn decreasing indoor air pollution, increasing leisure time, and improving children’s performance at school, all of which can help increase households’ health, economic productivity, and incomes.
Time AllocationInterviewed households reported that the solar panel systems allowed them to spend more time on leisure, housework and education. Women reported spending more time on housework, men reported spending it on leisure, and children had more time to study at night.Very few households reported using the extra time for income-generating activities.
SustainabilitySix years after the installation, 78 percent of households interviewed still use their solar panels.30 percent of interviewed households have access to formal grid connections, but the remaining ones have little or no idea of when this will happen.
This final evaluation was designed to answer to what extent the Solar Panel Component of the Rural Electrification Sub-Activity:
The installation of the initial 950 systems took place in three phases from 2008–2009 and occurred within the originally designated timeframe and budgets. In fact, program documents indicated that installations ran more than a year ahead of schedule and the contractors’ performance was satisfactory. With the objective of installing 950 solar panels in total, the program ultimately surpassed its target in supplying 1,950 solar panels. Various interviews noted that the reduction in costs was attributable to economies of scale as well as efficiencies obtained during installation and logistics, leading to a 50 percent reduction in the price of each solar panel installed.
The Solar Panel Component did not specify target participant types (e.g., the poorest, those with a female head, etc.). Rather, community selection was based on the average cost per kilometer to extend the grid to households so that those less likely to have access to the grid would be prioritized. All or most residents of the designated communities received solar panels, which allowed few opportunities for favoritism in system distribution.
Prior to receiving the solar panels, households used various energy sources for lighting, namely kerosene lamps, candles, flashlights and cedar wood, some of which are considered dirty fuels. Of the respondents the team interviewed, 50 percent reported that they completely discontinued using original energy sources upon the introduction of solar panels.
The qualitative nature of the evaluation could not empirically measure changes in air quality, health outcomes or the extent to which any changes were a direct result of solar panel use. However, 90 percent of the households interviewed reported that air quality in their homes improved a great deal, and most respondents described how improvements in the air quality led to reductions in smoke that is harmful to eyes and lungs.
Household time allocation changed in practically all households interviewed in the evaluation. Interviewed households reported that the solar panel systems allowed them to spend more time on leisure, housework and education. Overall, 85 percent of households interviewed reported that the solar panels mostly affected their lives at night, and a handful of households mentioned that having light in the mornings allowed them to start earlier.
Interviewed households responded that the solar panels gave women more time for housework. Women reported cooking and cleaning as the most common tasks they did with the added light. Nearly half of interviewed households in the sample explained that children had more time to study at night with the lights powered by the solar panels.
Solar panels have limited capacity and can only provide enough power for basic lighting and low-power appliances, such as radios or cell phone batteries. Thus, the solar panels did not impact productive work. Furthermore, the homes’ remote location presented another challenge that limited interviewed households’ income-generating possibilities.
All but one interviewed household member reported saving money on energy since they began using the solar panels, though interviewed households had trouble recalling the exact amounts of their former and current spending on energy sources.
While most households interviewed claimed and/or appeared to clean their systems, the team found that many of the systems were used improperly, partly due to inadequate capacity building and monitoring during and after installation. Given the financial burden of battery replacement, interviewed households were unable to replace batteries often without government assistance. A savings program set up to help households save for battery replacement was unsuccessful. Contractors also pointed out that basic replacement parts—namely appropriate light bulbs and appliances—were not easily accessible to interviewed households in the nearest markets.
Though a census of the 1,950 systems installed was not conducted, 78 percent of households interviewed still used the solar panels six years after installation. In total, 12 of 18 participant households that no longer used the solar panels after six years reported not using the system because the repair was too expensive, and four said they no longer used the system because they had a grid connection.
The ex-post qualitative evaluation relied primarily on data collected over the course of a one-week scoping trip in El Salvador (January 2017) and a four-week field visit (March–April 2017) to understand the effects of the solar panel distribution.
Qualitative methods included a document review, key informant interviews and in-depth interviews. The documents included contracts issued to solar panel contractors, a prior study on the component’s sustainability, and peer-reviewed articles about rural solar electrification programs in El Salvador and worldwide. There were 21 key informant interviews with MCC staff, implementation partners and local authorities, and in-depth interviews with 80 participant households in the solar component. Interviews were complemented by structured household observation to capture and quantify data on the solar panels’ condition.
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