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Types Of Solar PV Systems

Solar Photovoltaic (PV) is a method of generating electrical power by converting solar radiation into direct current/electricity using Solar PV Panels.
There are 2 types of Solar PV Systems :

1. On Grid
2. Off Grid and Hybrid

1 . On Grid

In On-Grid PV Systems, the power generated from PV Panels is inducted to the utility grid. On-Grid Inverters help in synchronizing the Power produced by PV Panels with the Power available in the grid. Batteries are not employed in an On-Grid PV System so it works only in the presence of sun.

Benefits

1. We can cut down the charges of utility bill
2. In some countries, if the PV Power generation exceeds consumption limits, it is fed back into the Grid which is then paid for by the Electric Power Supply Company.

Drawback

It needs utility power or generator for synchronizing the solar power. If Utility fails or load shedding occurs then solar power will also terminate.

1 . Off Grid and Hybrid

In Off-Grid PV Systems, Electricity supply from the Grid has no ro le to play. Off Grid PV Systems are independent systems and these are mostly installed in remote areas where electricity is not available so no load shedding occurs. These PV Systems include several batteries and charge controllers.

Benefits

The inverters used in these types of systems are off-grid inverters which do not need to be synchronized with Grid for producing AC voltage.

Drawback

Due to batteries the cost of the system is high.

Solar Water Pumping Systems

A solar water pump is a pump running on the electricity generated by photovoltaic panels.

Benefits

1. There is no fuel cost.
2. It can provide water in remote areas where availability of utility power is not possible.

Drawbacks

1. Cost of the system is high.
2. In case of cloudy weather the water output will suffer.

Solar Project Detail :

ON Grid Project Installations as an EPC Contractor:

OFF Grid Project Installations as an EPC Contractor:

Net Metering

What happens when solar panels generate more electricity than your need during the day? The answer is, YOU CAN SELL IT. As a certified solar company by Alternative Energy Development Board (AEDB), you can now SELL the excessive energy produced through our Net-Metering Facility.

WHAT IS NET-METERING?

Net metering is a billing mechanism that credits solar energy system
owners for the electricity they add to the grid. For example, if you have our PV system on the home’s rooftop, it may generate more electricity than your household requirement during daylight hours. If the home is net-metered, the bi-directional electricity meter will measure the energy that goes into the grid, the sold units will get credited against off-peak units in consumer bill. Customers are only billed for their “net” energy use. On average, about 20-40% of a solar energy system’s output goes into the grid.
Start selling electricity today and cut your electricity expense in 3 easy steps:

We will provide complete assistance from the start of process till successful commissioning.

Just Give A Call & Leave It To Team OES

Solar Packages

Reduce Your Electricity Bills with OES Solar Packages

OES only believes in using quality Solar Solutions that will perform to, or above, our customer’s expectations. We want to ensure that our solar solutions provide you the opportunity to take control of your energy consumption and positively change your energy behavior, resulting in savings.

Solar Hybrid System

3KW Solar Hybrid System

5KW Solar Hybrid System

10Kw Solar Hybrid System

On-Grid Solar System

5Kw Solar ON-Grid System

10Kw Solar ON-Grid System

20Kw Solar ON-Grid System

Solar FAQ

What is Solar Energy?

Solar Energy is the energy stored in sunlight. Traditionally, Solar Energy refers to the usable form of energy obtained by using rays of sunlight to generate heat or electricity. It is an infinitely renewable resource and unique for its ability to generate energy in the quietest, cleanest, and consistent manner. Nothing can beat the sun for being so cool!

What exactly does OES Services provide in Solar?

OES specializes in solar photovoltaic (PV) systems that generate electricity from sunlight. OES a full-service electrical contractor that has provided responsible, skilled and courteous service since 2014. Our solar solutions are “turn-key” which means we will take care of everything for you from the initial site survey and design, to province, city and utility applications and complete system installation.

I’ve heard of some solar power systems that heat water. Is that different than solar PV?

A solar PV system produces electricity from sunlight. A “solar thermal” system uses the sun’s heat to produce warm water. Solar thermal systems tend to be more complicated to install because plumbing lines must be installed between the house water heater and the solar collector. But solar thermal systems are also popular because they utilize solar energy –the ultimate renewable energy source.

How much money per year can a homeowner save with a solar PV system?

Your savings will depend on the size of your PV system, the going utility rate and your electricity usage habits. In addition to installing turnkey solar PV systems, Pakistan Solar Services can also show customers how to utilize proven strategies to cut electric use for maximum energy savings. Regardless of size, all solar PV systems work with equal efficiency.

How long does it take to install solar panels?

The physical installation of a solar PV system for a typical house can be completed within a week. The paperwork to secure rebates, permits and interconnection takes longer than the actual installation.

How safe are solar panels?

Solar PV is very safe. There are no moving parts, and the system is maintenance free. All equipment is UL tested and listed and must adhere to strict quality guidelines. Solar modules are guaranteed to produce power for 25 years and are built to meet or exceed that mark.

Will a solar PV system increase my home’s resale value?

A survey by the National Energy Association of Pakistan identified “green” home features as the most desired features in today’s real estate market. There’s nothing greener on a home than a solar PV system.

Have the Solar Panels and inverters been tested for quality to Pakistani and international standards?

Yes, the panels are tested to and meet the standard IEC61215 and IEC61730 and the inverter complies with standard AS/NZ4777

Is it as effective in winter?

Solar Photovoltaic systems rely on sunlight and ultra violet rays not only heat but heat is also main thing to produced energy from sun. So while there may be fewer hours of sunlight in winter the actual conversion of power is unaffected by the change in season. However, you will benefit from extended hours of sunlight in the summer.

How can I get a solar power system installed in my home?

There’s just three easy steps to have your solar unit installed : 1. Our friendly sales / technical staff first need to speak to you over the phone to note a few details 2. We perform a quick five minute application assessment over the phone 3. We immediately process your order and get you on the way to free green electricity *Some conditions do apply so please call us for further details.

How much Space i need to install a Solar system?

In bright sunlight, a square foot of conventional photovoltaic panels yields around 10 watts of power. However, when shading, spacing and walkway arrangements are factored in, PV systems yield around 5 watts per square foot. That is a handy rule of thumb for roughly estimating area you might need. For example, a 1000 watt system may need 100 – 200 square feet of area. Required area varies according to the type of PV module used.

How a typical solar PV system works?

Most solar PV systems are “grid-connected,” which means that homeowners use electricity supplied from solar panels as well as electricity supplied by the Karachi Electric or WAPDA. A solar PV system is easy to retrofit because the solar electricity feeds into the home’s main service panel after passing through an inverter that turns direct current (DC) into alternating current (AC). On a sunny day when home electrical demands are low, the solar electricity you generate can actually feed into the electrical grid, and the electric company will credit you for the excess power your solar power system generates.There are so many options in market, Shouldn’t I just go ahead and buy the cheapest one?

LOOK FOR ECONOMICAL PRODUCTS NOT FOR CHEAP ONES

 

Going for a 50% drop in price for a 90% drop in performance is a very bad investment. Look for products that provide best value for money. Never trust second hand or substandard products. It is a long term investment and should be done with care. A penny saved today can result in costing two (or three or four actually) in the future. So always go for warranty backed, traceable, high quality and reliable products by reputed manufacturers.