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Solar Panel Price, Features, and Best Deals

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A Solar Panel is a device that converts light energy from the Sun to electrical energy. Solar Panels consist of Polyvoltaic Cells (a.k.a. PV cells or solar cells) that absorbs energy from Sun rays and convert it to DC current which can then be further processed by a power inverter to deliver power to appliances in a home or business. Solar panel price in Nigeria ranges from 6,000 Naira to 150,000 Naira depending on power capacity and quality.

Where to Buy Solar Panel

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Solar Panel

Solar Panel Price in Nigeria

Solar panels are available at leading online stores in Nigeria and at leading retailers of solar power solutions in the country. The price of a 200W monocrystalline solar panels starts at around 52,000 Naira. A 200W polycrystalline type starts at 69,000 Naira. In all, you can buy a Solar Panel starting at 10W for 6,000 Naira.

Note that solar panels can come with different output voltage. Hence a 200W solar panel may offer 12V, 24V, etc. You can connect several solar panels in series to get your required voltage output.

  • 10W – 7,500 Naira to 20,000 Naira
  • 20W – 15,000 Naira to 40,000 Naira
  • 30W – 14,500 Naira to 30,000 Naira
  • 50W – 14,900 Naira to 35,000 Naira
  • 60W – 25,500 Naira to 40,000 Naira
  • 80W – 16,500 Naira to 45,000 Naira
  • 100W – 40,000 Naira to 120,000 Naira
  • 120W – 25,000 Naira to 90,000 Naira
  • 130W (Mono) – 27,000 Naira to 95,000 Naira
  • 130W (Poly) – 29,000 Naira to 95,000 Naira
  • 150W – 29,000 NGN to 80,000 NGN
  • 180W – 45,000 NGN to 80,000 NGN
  • 200W (Mono) – 39,000 NGN to 85,000 NGN
  • 200W (Poly) – 43,000 NGN to 95,000 NGN
  • 230W – 43,000 NGN to 140,000 NGN
  • 250W (Mono) – 45,000 NGN to 150,000 NGN
  • 250W (Poly) – 50,000 NGN to 150,000 NGN
  • 260W – 55,000 NGN to 150,000 NGN
  • 300W (Mono) – 62,000 NGN to 200,000 NGN
  • 300W (Poly) – 70,000 NGN to 200,000 NGN
  • 310W – 70,000 NGN to 200,000 NGN
  • 320W – 70,000 NGN to 200,000 NGN
  • For latest prices: Click Here

However, don’t just look at the price consider the quality and reputation of the brand. Some of the top global brands include: Trina Solar, Canadian Solar, JinkoSolar, JA Solar, Hanwha Q CELLS, First Solar, Yingli Green, SFCE, ReneSola, SunPower Corp, Sharp Solar, Samsung, Kyocera.

Types of Solar Panels

For home and office applications there are basically two types of Solar panels to choose from:

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  1. Monocrystalline Solar Panels
  2. Polycrystalline Solar Panels

Monocrytalline solar panels were the first type of solar panel and have benefited from years of research and development. They are usually black and the most popular in the market. The cells are made from a single continuous Silicon crystal hence the name.

Monocrystalline Solar Panel Image

They are more appealing to the eye and have better efficiency. They are however more expensive and are popular with RV solar panels.

The polycrystalline solar panel consists of solar cells made from multiple crystals of Silicon. They are usually blue and are cheaper than monocrystalline solar panels. They are also said to have a better temperature tolerance than mono panels.

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Polycrystalline Solar Panel Image

This means that a polycrytalline solar panel will handle temperature fluctuations better. However, because they are less efficient, you will need a bigger poly panel to match the power output of a monocrystalline solar panel.

Solar Panels Overview

A Solar panel consists of an array of photovoltaic cells, connected in series and parallel to deliver rated voltage and power. The PV cell is made from pure Silicon doped with an element like Boron to create an N-type and P-type layer.

An electric field is created at the junctions (boundaries) between the N-type layer (consisting of Silicon) and P-type layer (doped with Boron). This electric field creates a barrier that stops electrons from moving across the junction, effectively creating an open circuit.

However, when a PV cell is exposed to sunlight, energy-carrying particles in light called photons continuously strike the P-N junction area of the cell and are absorbed.

When the energy absorbed from the photons are high enough to break the potential barrier created by the electric field, electrons begin to move across the junction creating the electrical current.

Solar panels are a major component of a solar energy system. They are connected to a solar inverter to deliver electrical energy to appliances in the home or office. When used with a regular inverter, the solar panel is connected to the inverter via a solar charge controller.

The solar charge controller connects the solar panel to the inverter battery. A Solar panel can last 10 to 30 years depending on type and/or terrain.

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Solar Panel Features

A Solar panel is rated by its output voltage and power. However, the output voltage is just nominal as actual output voltage will vary depending on the intensity of sunlight. So, it is possible for a solar panel rated 12V to end-up generating 18V or even more. The maximum current is also usually listed.

Solar panels are available with different power outputs ranging from 10W to 320W. Usually you will have to connect a number of solar panels in series and parallel to deliver the required voltage for the inverter and power required to power your appliances.

Another feature to consider is the efficiency of the solar panel. Usually, this ranges from 7% to 20%. This figure tells how sensitive the solar panel is to light. A high number is always good as it means you can get more output from a smaller panel saving space.

To ensure you take a good advantage of the efficiency of your solar panel, it is a good idea to tilt your solar panel assembly to the same latitude as your installation address.

For example, if you are mounting a solar panel in Trans-Ekulu, Enugu tilting the panel to around 6.484 degrees (the approximate latitude of the area) to the ground will catch the optimum amount of sunlight throughout the day.

You can also install the solar panel with a solar tracker that will automatically tilt the solar panel depending on the angle of the Sun ensuring you catch the highest amount of sunlight irrespective of the time of day. However, such an installation is complicated, costs a lot, and requires frequent maintenance.

A Solar panel can last between 10 and 25 years, however it degrades over time. For example a solar panel could offer 10 years at 90% of rated power, 20 years at 85% rated power, and 25 years at 80% rated power.

This means that if you bought a 200W panel with the degradation rating stated above the panel will offer 180W after 10 years, 170W after 20 years, and 160W after 25 years. Degradation can also be rated in percentage degradation per year. e.g. 1% per year, 1.5% per year, or 2% per year.

Power Related Topics

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Paschal Okafor
Paschal Okafor
Paschal Okafor is the founder of NaijaTechGuide. A Graduate of Electrical and Electronics Engineering, Paschal is passionate about Technology and since 2006 has written over 4000 articles covering Mobile Devices, Consumer Electronics, Digital Marketing, Mobile Apps, and Online Services. Over the past 16 years, he has managed to turn a blog that started life on a Google Blogger subdomain into the Largest Technology Blog in Nigeria and quite possibly the largest in Africa. Paschal has been Building, Analyzing, and Maintaining Websites for over 17 years and also shares his wealth of knowledge and experience about building and managing websites on NaijaTechGuide.

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