Views: 0 Author: Site Editor Publish Time: 2025-07-12 Origin: Site
Lesotho, the "Kingdom in the Sky" of Africa, has over 60% of its remote communities trapped in "energy isolation": Diesel generators fail in plateau low temperatures, dust erodes power equipment, vaccines in clinics spoil due to outages, and daily fresh milk loss in ranches exceeds 30%... This project deploys a 60 - kilowatt - hour (KWh) off - grid energy storage system in northern Lesotho’s highland communities, combined with a photovoltaic array, creating a "solar - storage - livelihood protection" closed loop:
·Conquering Highland Extremes, Stable Operation at - 10℃:The system features plateau - adaptive technology — battery packs have built - in heating films (automatically activated at - 10℃), and cabinets adopt a dust - proof sealed design (filtering 99% of dust). In winter blizzards and summer dust storms, it continuously powers vaccine refrigerators in clinics, fresh milk cold storage cabinets in ranches, and community LED lighting, making diesel generators obsolete.
·Direct PV Connection, 24 - Hour Energy Autonomy:Equipped with a 30KW photovoltaic array (Lesotho enjoys an average annual sunshine duration exceeding 2800 hours), it supplies power to loads and stores energy during the day, and releases stored energy at night, achieving a seamless "sunshine→storage→night use" transition. A clinic nurse Jolene remarked: "Vaccines can finally be stored stably; we no longer need to risk starting generators in the middle of the night!"
·Dual Livelihood Protection, Sparking Economic Ripples:
·Medical Field: Ensures vaccine cold storage in 3 community clinics (covering 2,000 vaccinations), reducing vaccine loss from 40% to 5%;
·Agricultural Field: Extends power supply for fresh milk cold storage in 5 ranches by 8 hours, cutting daily loss from 30% to 8%, and increasing each household’s monthly income by over 600 Maloti (about $30).
From "relying on the weather" to "energy independence," the project not only overcomes Lesotho’s geographical constraints but also validates the universality of the "60KWh storage + PV" off - grid solution for landlocked African countries.