This study was conducted over the period of January 2024 to December 2024. The customer purchased their solar system in August of 2023 and ran one 18,000 BTU air conditioning unit 24/7, one 24,000 BTU unit only at nights. The customer requested an upgrade because they desired to run a third 24,000 BTU (undersized) air-conditioner installed in their living room during the daytime and opted to try a battery-only upgrade to see how it would work.
This third unit started drawing more electricity during the days as it was grossly undersized and was running at full throttle all day, hence slowing down the charging rate of the solar batteries and ultimately utilizing JPS for portions of the day everyday especially when washing and drying clothes.
In October of 2023, the customer purchased an additional solar battery to keep more of the energy for night time but the additional battery was unable to attain a full charge based on the reduced solar capacity caused by the daytime A/C usage. In January of 2024, the customer purchased additional solar panels to accommodate for daytime A/C usage of the 24,000 BTU unit and and additional 28,000 BTU unit and to charge the batteries to full capacity for night time usage.
The JPS bills below represent the JPS amounts paid during the year of 2024 while running 2 A/C units (24,000 BTU and 28,000 BTU) during daytime hours and one 24,000 BTU and one 18,000 BTU units at night.
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