An on-grid or grid-tied solar system is a system that works along with the grid. This means that any excess or deficiency of power can be fed to the grid through net metering. Many residential users are opting for an On-grid solar system as they get a chance to enjoy credit for the excess power their system produces and save on their electricity bills. You will always have power either from the solar system or from the grid. They do not have batteries.
In an on-grid solar system, solar panels will continue to produce power during the day. This power can either be used instantly or exported to the grid with no backup for power outages. If at any time the system runs out of power, it draws the same from the electricity grid. Hence, a user will never run out of power in this case. Similarly, any excess that is produced by the system is fed to the grid. The advantage of an on-grid system is that the user will get a credit in his electricity bill for the extra power he sent to the grid. So, his electricity bills will also reduce. Always assess your Home’s Energy Consumption, Solar Potential, Solar Electricity Needs, etc. before installing an on-grid solar system.
Off-grid systems work independently of the grid but have batteries which can store the solar power generated by the system. The system usually consists of solar panels, battery, charge controller, grid box, inverter, mounting structure and balance of systems. The panels store enough sunlight during the day and use the excess power generated in the night.
These systems are self-sustaining and can provide power for critical loads in areas where a power grid is not available. However, these systems require specialized equipment to function and can be costly to install. These are ideal for businesses which can sustain for a short period of time with no electricity.
The system operates on power generated using solar PV (photovoltaic) system. The photovoltaic array converts the solar energy into electricity, which is used for running the motor pump set. The pumping system draws water from the open well, bore well, stream, pond, canal etc. The system requires a shadow-free area for installation of the Solar panel.
A system with 1800 watt PV array capacity and 2 HP pump can give a water discharge of 1.4 lakh litres per day from a depth of 6 to 7 meters. This quantity of water is considered adequate for irrigating about 5-8 acres of land holding for several crops
Solar water heaters — sometimes called solar domestic hot water systems — can be a cost-effective way to generate hot water for your home. They can be used in any climate, and the fuel they use — sunshine — is free.Solar water heating systems include storage tanks and solar collectors. There are two types of solar water heating systems: active, which have circulating pumps and controls, and passive, which don’t.
Solar water heaters use natural sun light to heat water. This system works on the thermosiphon principle and is designed to provide hot water without consuming expensive electricity. This is the most effective way to generate hot water thereby saving costly power and is also environment friendly. The extra thick SS inner tank & high density PUF insulation makes owning the Havells Solero a superior choice ensuring years of trouble free hot water for you and your family.
Solar Home Light which operates on solar energy. We can use it in place of our conventional 40W Tube Light or CFL.The Solar Home Lighting system consists of a PV module, , Battery, Control Electronics, Module mounting hardware, battery box, inner-connecting cables, switches etc.Off Grid systems tie in with your existing home electricity supply, ensuring you have all the critical electricity you need 24X7, regardless of weather conditions and the time of day or night.System is designed to power critical loads in the house like lighting, etc.
Solar lighting solution is an intelligent solar combo solution having solar panel & controller with small battery.It’s easy to install and bring home much needed electricity for running day to day appliances i.e lights etc.
A solar panel, or photo-voltaic (PV) module, is an assembly of photo-voltaic cells mounted in a framework for installation. Solar panels use sunlight as a source of energy to generate direct current electricity. A collection of PV modules is called a PV panel, and a system of PV panels is called an array. Arrays of a photovoltaic system supply solar electricity to electrical equipment.
Most solar modules are currently produced from crystalline silicon (c-Si) solar cells made of multicrystalline and monocrystalline silicon. In 2013, crystalline silicon accounted for more than 90 percent of worldwide PV production, while the rest of the overall market is made up of thin-film technologies using cadmium telluride, CIGS and amorphous silicon
A Solar Inverter is a device that converts the direct current (DC) from the solar panels into alternating current (AC) which is used by domestic and commercial appliances. It is one of the most critical components of the solar power system as it converts power from the sun into more useful energy and is often referred to as the brain of a solar system. Solar inverters are a crucial part of a solar system since power from the sun cannot be directly used to run electrical appliances. Starting out as just boxes converting DC into AC, today, solar inverters have evolved to become much more smart and intelligent units, performing other functions such as data monitoring, advanced utility controls etc.
Solar batteries are C10 rating deep cycle battery designed for connecting with solar charge controllers, inverters for giving power backup at night. It is designed to be charged from Solar panels in the day from sunlight. The main component of the battery is the lead inside it. Higher lead ensures better battery performance and quality. Lead-acid batteries are not sealed and Maintenance-free hence it requires water top-up once in 3-6 month.
Solar battery price depends upon Battery AH and Warranty, The price ranges from ₹4050 to ₹18500. The Tubular Technology batteries with 5 years of replacement warranty will be the costliest as tubular battery indicates the latest technology with higher energy efficiency in batteries. The other important factor which impacts the price of batteries in India are
- Brand Name
- Replacement warranty offered on batteries
- The capacity of Battery measured in Ampere hour (AH)
In a rooftop mounting system, the solar PV panels will be installed on roof of any building. It can either be any residential building or any commercial/industrial building. Below images and details of solar panel structure manufacturer. In rooftop mounting system, the roof on which the solar array will be installed can be of two type.
- Standard Rooftop Mounting Structure
- Elevated Mounting Structure
Solar panel mounting accessories are items that allow you to correctly mount solar panels and collect their energy. Solar or ‘photovoltaic’ panels, generate power by converting energy from the sun into direct current electricity.
Solar panel accessories are used to facilitate the collection and flow of power from the sun to the battery where the power is stored for usage. Soar panels can be ground mounted, rooftop mounted or wall mounted, and need to be installed at the right angle in order to produce their peak current. Accessories used outside need to be able to withstand all weather conditions.
Types of solar panel mounting accessories
- Mounting brackets, which allow you to easily mount and install the solar panel at the optimum angle
- Battery boxes, for safe outdoor or indoor storage of a battery charging from solar energy. These may have multiple output sockets and a meter to indicate charging levels
- Waterproof roof ducts, which allow you to safely run cabling from inside to the panel outside