Hayleys Solar, as the No 01. Solar Provider in Sri Lanka has unveiled its latest product offering to the local market – solar-powered water pumps, a significant step towards addressing Sri Lanka’s water supply challenges with sustainable and efficient solutions.

This product not only showcases their dedication to renewable energy but also offers substantial savings for various sectors, from agriculture to residential areas. With easy installation and a range of capacities, these pumps are poised to make a positive impact in ensuring a stable water supply.

With more than a decade of exceptional market experience and a track record of successfully installing over 150 MW of rooftop solar power systems nationwide, Hayleys Solar is the renewable energy division of Hayleys Fentons.

Expressing his views on this development, Hasith Prematillake, the Managing Director of Hayleys Fentons stated “Sri Lanka faces water supply challenges in various sectors, including agriculture, livestock management, and mining. The launch of solar-powered water pumps offers a sustainable solution to mitigate these challenges and ensure a consistent water supply, which is a pressing issue in the country.”

According to Roshane Perera, Executive Director and CEO of Hayleys Solar, this innovative solution is ideal for a wide range of applications, becoming a greener alternative to large-scale water supply projects. Specially for large estate applications where the area is larger we have designed a portable solar pumping system eliminating the requirement of multiple pumps which becomes a more economical solution.”

“By harnessing solar energy, these pumps significantly reduce operational costs while maximising efficiency. This translates into substantial savings for farmers, homeowners, and businesses alike. This is an environment-friendly sustainable approach since Sri Lanka gets abundant sunlight.”

“With the long-lasting stainless-steel finish, these pumps are built to withstand the harshest environmental conditions, making them suitable for diverse landscapes and climates. This ensures durability and is also requires minimal maintenance,” added Perera.

According to Mahesh Abeywickrama, the Deputy General Manager of the company, what makes this product stand out is its easy installation which requires minimal technical expertise. Customers can quickly set up the system and start benefiting from solar-driven water pumping.

“We understand that every water management requirement is unique. That’s why our Solar-Powered Water Pumps come in a range of capacities, from 0.5HP to 2HP, and we can pump up to an impressive 25,000 litres per day,” says Abeywickrama.

Switching to solar energy is an eco-friendly and financially sound decision. However, determining the accurate installation capacity for your home PV system can be challenging. This guide will walk you through the steps needed to calculate the ideal capacity for your PV system, ensuring that you optimise investment.

Step 1: Determine Your Energy Consumption

Before you embark on your solar journey, it’s crucial to understand your average energy consumption. You can find this information on your utility bill or by conducting an energy audit. The goal is to estimate the amount of energy you want your PV system to produce, aiming to cover a significant portion, if not all, of your household electricity needs. Don’t forget to evaluate any potential future electricity demands, such as additional air conditioning or the need to charge electric vehicles.

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Average Monthly Energy Usage:  450 kWh Units

Provision for Future Electricity Demand increase:  +100 kWh Units

Total Required Energy per month:  550 kWh Units

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Step 2: Calculate the required system capacity

Sunlight availability varies by location and time of year. Research the number of sun hours your area receives to estimate how much solar energy your PV system can harness. You can find this data online or by consulting Hayleys Solar.

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Sun Hours in Your Area (per day): 3.8 hours

Estimated Daily Energy Generation per kWp: 3.8kWh Units

Required System Capacity:  550 kWh / 30 days /3.8kWh  = 4.82 kW Units

Recommended System Capacity:  5 kW Units

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Step 3: Calculate the Number of Panels

With the required system capacity determined, divide it by the capacity of each panel. For instance, if your calculated system capacity is 5kW and each panel has a capacity of 500W, you would need 10 panels. Make sure to consider the specifics of the panels you choose, which can affect the overall system configuration.

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Panel Capacity: 500W each

Number of Panels Needed:  5000W (5 kW) / 500W = 10 panels

Recommended Number of Panels:  10 panels

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Step 4: Assessing Your Roof Space

Measuring the available roof space is a crucial step in determining the potential capacity of your PV system. Begin by measuring the unshaded area on your roof where solar panels can be installed effectively. Unlike other regions, Sri Lanka, located close to the equator, enjoys efficient solar energy generation regardless of the panel direction. While the ideal panel orientation is typically south-facing, it’s important to consider the roof’s inclination, which can impact energy generation. In our country, the general rule of thumb for roof inclination is approximately 10 degrees, which ensures that most sunlight is captured.

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Size of a Single Panel Approx: 28 sq.ft

Installable Panel Quantity: 10 Panels

Required Roof Space: 28 * 10 = 280 sq.ft

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Selecting the right installation capacity for your home PV system is a crucial step toward maximising your solar energy benefits. By following the steps outlined above, you can accurately estimate the ideal capacity for your PV system, generating the energy required to power your daily activities. For high-quality solar panels and professional expertise, consider reaching out to Hayleys Solar, the renewable energy arm of Hayleys Fentons.

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