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Let’s do the math
Residential electricity utility rates are, on average approximately 12 cents per kilowatt-hour in Zimbabwe and the SADC region as a whole. In 2020 in Zimbabwe average residential household use just about 120 kWh per month in the High density areas and just about 220 kWh in the low density areas. The average monthly electricity bill being approximately $12USD and 30USD before taxes and fees respectively.
While in Zimbabwe it might seem that electricity from the Official Providers ZETDC is cheaper, electricity costs over the period ending Dec 2020 have rapidly increased a great deal, on a monthly bases chasing the regional average of 12 cents/ kWh. Yipes!
Worldwide average solar panel module prices have dropped over 75% from $3.25 per watt to about $.72 per watt.3 over the last there’s tremendous amount of progress being made in the solar industry.
A solar energy system can absolutely help you insulate yourself against these price increases and inconsistencies in power supply by ZETDC. While there’s debate on whether or not solar system is a worthy investment in terms of comparison to the alternative grid solution we’ve taken time to give you the comparative figures of how an average solar system performs against the grid over a period of 8 years
Of course, it’s all about location. Your property structure and home’s location, local weather patterns, and availability of our solar resource (that’s how often and how strong the sun shines) can greatly affect the cost-effectiveness your installed solar system.
The total price of a complete residential solar panel system has dropped roughly over a 100% since 2010, mostly because of new, widely available financing and leasing options.
Solar is a lifestyle choice. Economically speaking comparing Solar with the grid is insane reasoning as solar is yet to be, if ever in a position where it stands toe to toe with the traditional energy supply methods since it is a resource that is not constantly available due to weather patterns and daily sunshine progressions.
We are going to compare. This comparison is going to be based on an assumption that the average household can be disciplined enough to consistently keep their energy managed as prescribed by the system design. It also assumes there is constant supply of sunshine all year round which is never the case but should be propped for the purposes of accounting the solar yield.
|Grid||5kva Solar Inverter with 3600w solar array and 9.6kwh lithium ion battery|
|Cost Of establishment||$500||$8,900|
|Recurring yearly cost||$480*10years||0* 10years|
|Annual Cost of maintenance||$0*5||$120* 10 years|