Solar Energy Drives EV Chargers and More

 The Sun’s energy drives and affects countless natural processes on Earth. Photosynthesis by plants and cyanobacteria, for example, is essential for the production of food and oxygen.

Switching to solar energy Darra residents not only save money, they also help reduce the carbon footprint of their home and community. They can further maximize savings by combining their solar with a range of smart energy solutions.

Solar Panels

Those hi-tech expanses of shimmering glass you see on roofs are the solar panels that generate electricity. Solar panels use silicon (a semiconductor) to convert sunlight into usable energy. Solar panels work like a reverse LED; when a photon hits a solar panel, it releases electrons. These electrons flow through a solar cell to conductive metal, generating an electrical current.

This current flows through the panel to a junction box and then through bus wires, connecting the silicon solar cells in parallel. The total amount of electricity generated is measured in watts or kilowatt-hours.

Each solar panel is tested under standard conditions to ensure it delivers on its projected outputs and efficiencies. A fully installed 6.6kW solar system can save homeowners over $2,500 per year, which equates to a payback period of 3 to 5 years. The solar inverter is a critical component of your system as it converts DC to AC power. The inverter is also the most likely part of your system to need replacing.

Solar Batteries

Solar batteries are rechargeable energy storage systems that store excess power generated by your solar panels for use when the sun is down or behind clouds. Solar batteries are made up of electrochemical cells that convert chemical energy into electrical energy and back again when needed, with a round-trip efficiency of around 80%.

The type of battery you need is determined by the amount of electricity your home uses (watts) and how long you want to run devices between charges (watt-hours). Solar energy professionals can help you calculate the right sized solar battery for your home.

Larger solar battery systems can also be used to participate in demand response programs, reducing your grid usage during peak pricing hours. The utility will compensate you for this energy storage service. You can easily check your solar battery charge level using a voltmeter or multimeter. Just connect the probes to the battery ports and read the results. You can also monitor your battery's cycle count or throughput with a specialized battery monitoring software.

Solar Hot Water

The sun’s heat can be used to provide hot water using solar energy. This is a simple process, and it eliminates the need for gas or electricity to heat water. It also reduces emissions. Solar hot water systems can be either closed-coupled or open-loop. Closed-coupled systems have solar collectors mounted on the roof and a storage cylinder located above them. As the sun shines, heated water naturally rises from the storage cylinder, heating the solar collectors in the process.

Open-loop systems use a pump to circulate the water between the solar collector and storage tank. This is often more efficient than closed-loop systems but does require regular maintenance and cleaning.

By switching to solar power, Darra residents can generate clean energy, reduce their electricity bills and potentially earn a return on their investment by feeding excess power back into the grid. Pulse Electrical can advise on the best type of system for your home. We take into account your energy usage, network pricing and Queensland government feed-in tariffs when providing a quote.

Solar EV Chargers

Solar panels generate DC electricity, which is then converted by an inverter to 240V AC power that can be used throughout the home. Solar EV chargers then convert this to the ideal voltage and power for your vehicle to charge at, typically Level 2. Smart EV charging systems with load-balancing functions are available that can optimize energy usage based on rates, household consumption, and expected solar generation.

Combined with an EV battery storage system, a well-designed solar system can cover your annual EV charging cost with 100% renewable, carbon-neutral electricity from the sun. This significantly reduces or eliminates your electricity bills in Darra. It also guarantees you a high feed-in tariff in the case of excess production, which can be pushed back to the grid at the wholesale price for credit on your next bill (or sold back at peak times). For best results, a solar system should be sized appropriately to offset your entire household electricity consumption including EV charging.

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