62 Frequently Asked Questions (FAQ’s) About Solar Power Systems

FAQs about solar power systems are becoming increasingly relevant as more people look to reduce their carbon footprint and save on energy costs. In this article, we will provide concise answers to the most frequently asked questions about solar power systems, including how they work, their benefits, and the installation process.

Q: What is a grid connect solar power system?

A: A grid-connected solar power system is a type of solar panel installation that is connected to the main electricity grid. The system generates electricity using solar panels, which convert the sun’s energy into electricity that can be used to power your home or business. Any excess electricity that is generated by the system is fed back into the grid, and you will receive a credit for this excess energy on your electricity bill.

Q: How much does a grid connect solar power setup cost?

A: The cost of a grid connect solar power system will vary depending on a number of factors, such as the size of the system, the location of the property, and the type of solar panels used. On average, you can expect to pay around $4,000 to $6,000 for a small 2kW system, and upwards of $7,000 for a larger 5kW system.

Q: What is a feed-in tariff and how much will I get paid?

A: A feed-in tariff is a payment that is made to you by your electricity retailer for the excess energy that your grid connect solar power system generates and feeds back into the grid. The amount you will be paid will depend on the rate that is set by your electricity retailer, which can vary between states and territories in Australia. In general, you can expect to receive around 6-10c per kilowatt hour (kWh) of excess energy that you feed back into the grid.

Q: Is my building suitable for a solar power system?

A: It is best to have a professional assess whether your building is suitable for a solar power system. Factors to consider include the age and condition of your roof, the orientation and angle of your roof, and the amount of shading on your roof.

Q: How long will my grid connect solar power system last?

A: Solar power systems typically have a lifespan of around 25-30 years. However, this can vary depending on the quality of the system and how well it is maintained.

Q: What can affect the costs of installing a grid connect system?

A: There are several factors that can affect the cost of installing a grid-connected solar power system, including the size of the system, the type of panels used, the location and orientation of the panels, and any additional equipment or features that are included.

Q: Can I insure my grid connect system?

A: It is possible to insure your solar power system, either through a separate policy or as an add-on to your home insurance. It is recommended to discuss your options with your insurance provider to determine the best coverage for your needs.

Q: If my energy requirements increase, can I upgrade the system?

A: Yes, it is possible to upgrade your solar power system if your energy requirements increase. This may involve adding additional solar panels or replacing your existing panels with more efficient ones.

Q: What happens on cloudy days?

A: Solar panels will still generate some electricity on cloudy days, although the amount will be less than on sunny days. Your solar power system will automatically adjust to the reduced solar output and draw additional electricity from the grid if needed.

Q: How reliable will my system be?

A: Solar power systems are generally very reliable, with most components having a lifespan of 25 years or more. Regular maintenance can help to extend the life of your system and ensure it is operating at its best.

Q: What about the energy it takes to produce a solar power system?

A: It takes energy to produce a solar power system, but it will generally pay for itself in terms of the energy it generates over its lifespan. Solar panels have a very low environmental impact and do not produce any greenhouse gas emissions during operation.

Q: How much of a reduction in carbon dioxide emissions will I achieve?

A: The amount of carbon dioxide emissions that you can reduce by installing a solar power system will depend on the size of the system and the amount of electricity you use. A typical home solar power system can reduce carbon dioxide emissions by about 3-4 tons per year.

Q: What does a typical home solar power system consist of?

A: A typical home solar power system consists of solar panels, an inverter, a mounting system and a meter. The solar panels convert sunlight into electricity, which is then converted by the inverter into a form that can be used by your home. The meter measures the amount of electricity being generated and used.

Q: Is there any maintenance?

A: Solar power systems require minimal maintenance. It is a good idea to keep the panels clean and free of debris, and to check that all of the components are working properly. It is also important to have your system inspected regularly to ensure it is operating at its best by an accredited solar professional like Hardy Electrical and Solar, servicing Northern NSW and South East Queensland.

Q: Is my building suitable for a solar power system?

A: To determine if your building is suitable for a solar power system, you will need to consider the following factors:

• The orientation of your roof: Solar panels should face north to maximize the amount of sunlight they receive throughout the day.
• The pitch of your roof.
• The shading on your roof: Solar panels need unobstructed access to sunlight to work efficiently. Trees or other structures that cast shadows on your roof may reduce the performance of your solar power system.
• The age and condition of your roof: If your roof is in poor condition or near the end of its lifespan, you may want to consider repairing or replacing it before installing a solar power system.

Q: Should I choose monocrystalline, thin film, or polycrystalline solar panels?

A: There are several factors to consider when choosing between monocrystalline, thin film, and polycrystalline solar panels. Monocrystalline panels are made from a single, high-quality silicon crystal, which makes them more efficient at converting sunlight into electricity. They are also more durable and have a longer lifespan than other types of panels. Thin film panels are made from a thin layer of photovoltaic material and are less efficient than monocrystalline or polycrystalline panels. However, they are less expensive to produce and can be flexible, making them a good choice for certain applications. Polycrystalline panels are made from multiple silicon crystals and are less efficient than monocrystalline panels, but they are also less expensive. Ultimately, the best choice for you will depend on your specific needs and budget.

Q: What can affect the costs of installing a grid connect system?

A: There are several factors that can affect the costs of installing a grid connect solar power system, including:

• The size of the system: A larger system will generally cost more to install than a smaller system.
• The quality of the components: Higher-quality components will generally cost more upfront, but may have a longer lifespan and higher efficiency, which could save you money in the long run.
• The complexity of the installation: If your roof is difficult to access or requires special equipment to install the panels, it may cost more to install your solar power system.
• The location of your property: The cost of installing a solar power system may vary depending on your location, as some areas may have higher labor or permit costs.

Q: What is the weight of the solar system on the roof?

A: The weight of a solar power system can vary based on the size of the system and the type of solar panels used. On average, a solar panel weighs around 18 kg, so a typical solar power system with multiple panels can weigh hundreds of kilograms. It is important to ensure that your roof is able to support the weight of the solar system, and a professional installer can help you determine this.

Q: How much money will I save by installing solar?

A: The amount of money you save by installing solar will depend on a number of factors, including the size of your solar power system, your location, and your energy consumption habits. However, many people who install solar power systems are able to save hundreds or even thousands of dollars per year on their energy bills.

Q: What is a feed-in tariff?

A: A feed-in tariff is a payment that is made to individuals or businesses for the excess electricity that their solar power system generates and feeds back into the grid. In some areas, utility companies are required to offer feed-in tariffs to encourage the adoption of renewable energy.

Q: What is a Small-scale Technology Certificate (STC)?

A: A Small-scale Technology Certificate (STC) is a tradeable certificate that represents the greenhouse gas emissions reduced or avoided through the installation of a small-scale renewable energy system, such as a solar power system. STCs can be used to offset the upfront cost of installing a solar power system by providing a discount on the purchase price.

Q: How can I select a reputable solar retailer?

A: There are a few things you can do to ensure that you choose a reputable solar retailer:

1. Research the company: Look for reviews and ask for references from previous customers.
2. Check for accreditations: Look for retailers that are accredited by organizations such as the Clean Energy Council.
3. Compare quotes: Get quotes from multiple retailers and compare the prices and terms to ensure you are getting a fair deal.
4. Ask questions: Don’t be afraid to ask the retailer about their experience, warranties, and other important details.

Q: How can I tell if my installer is accredited?

A: You can check if an installer is accredited by the Clean Energy Council by searching their database of accredited installers. You can also check with your state or territory government to see if the installer is licensed to carry out solar installations.

Q: Can I recycle my solar panels?

A: Yes, most solar panels can be recycled. When solar panels reach the end of their lifespan, they can be broken down and the materials used to make them can be recycled and used to make new solar panels or other products.

Q: Does the Clean Energy Council door-knock or call consumers?

A: The Clean Energy Council does not door-knock or make unsolicited phone calls to consumers about solar power systems. If you receive a door-knock or phone call from someone claiming to represent the Clean Energy Council, it is likely a scam and you should not engage with them.

Q: Is solar power safe?

A: Solar power is a safe and reliable source.

Q: Do solar panels work at night or during cloudy weather?

A: Solar panels do not produce electricity at night or during cloudy weather. Solar panels rely on sunlight to generate electricity, so their output is reduced on cloudy days and they do not produce any electricity at night. However, a grid-connected solar power system will still provide electricity to your home at night or during cloudy weather by drawing from the grid.

What to do if my solar power stops working?

A: If your solar system stops working, the first thing you should do is check for any visible damage to the panels or inverter. If there is no visible damage, you may want to try resetting the inverter or checking to see if any circuit breakers or fuses have tripped. If you are still experiencing issues with your solar system, you should contact your solar retailer or installer for assistance.

Q: How can I make a complaint against a solar installer or retailer?

A: If you have a complaint about a solar installer or retailer, you should first try to resolve the issue directly with the company. If this is not possible or if you are not satisfied with the resolution, you can file a complaint with the Clean Energy Council or your state’s energy ombudsman.

Q: What does a battery storage system look like?

A: A battery storage system typically consists of a battery or series of batteries, an inverter, and a control system. The battery stores excess solar energy that can be used during times when the sun is not shining, while the inverter converts the stored direct current (DC) electricity into alternating current (AC) electricity that can be used in your home. The control system manages the charging and discharging of the battery to optimize its performance.

Q: What are the benefits of battery storage?

A: Some of the benefits of battery storage include the ability to store excess solar energy for use during periods of low solar production, such as at night or on cloudy days, the ability to reduce reliance on the grid, and the potential to save money on electricity bills by using stored solar energy instead of drawing from the grid.

Q: Is battery storage safe?

A: Battery storage systems are generally safe, but as with any electrical system, there is some risk of fire or other hazards. It is important to follow the manufacturer’s instructions for installing and maintaining your battery storage system to ensure its safety.

Q: What types of battery storage are available, and which is the best?

A: There are several types of battery storage systems available, including lead-acid batteries, lithium-ion batteries, and flow batteries. Each type of battery has its own advantages and disadvantages, and the best choice for you will depend on your specific needs and circumstances.

Q: Can I go off-grid?

A: It is possible to go off-grid with a solar power system, but it requires a significant investment in battery storage and may not be practical or cost-effective for most people. If you are interested in going off-grid, you should carefully consider your energy needs and budget, and consult with a qualified solar installer to determine if it is feasible.

Q: How does battery storage work?

A: A battery storage system is a system that stores excess electricity generated by a solar panel system, wind turbine, or other renewable energy source for use at a later time. The system typically consists of batteries, an inverter, and a control system.

Q: What is the difference between AC and DC?

A: AC (alternating current) refers to the type of electricity that is commonly used in homes and businesses, while DC (direct current) is the type of electricity produced by solar panels and batteries.

Q: What does battery capacity mean?

A: Battery capacity refers to the amount of electricity that a battery can store. It is typically measured in kilowatt-hours (kWh).

Q: How much storage do I need?

A: The amount of storage you need will depend on your energy usage and the size of your solar panel system. A solar energy professional can help you determine the right size for your needs.

Q: Which type of battery is right for me?

A: There are several types of batteries available for use in a battery storage system, including lead-acid batteries, lithium-ion batteries, and nickel-cadmium batteries. Each type has its own benefits and drawbacks, and the best choice for you will depend on your specific needs and budget.

Q: Who should install battery storage?

A: It is recommended to have a professional install your battery storage system to ensure it is installed correctly and safely. The Clean Energy Council has a list of accredited installers who have the necessary training and qualifications.

Q: Where should batteries be installed?

A: The battery storage system should be installed in a dry, ventilated area that is protected from extreme temperatures. It is important to follow all manufacturer guidelines and local building codes when installing the system.

Q: What considerations should I be aware of when installing a battery?

A: There are a few things you should consider when installing a battery:

• Make sure you have a proper installation location. The battery should be installed in a dry, well-ventilated area that is protected from extreme temperatures.
• Follow the manufacturer’s instructions for installation. Proper installation is important to ensure the safety and longevity of the battery.
• Consider hiring a professional to install the battery if you are not confident in your ability to do it safely.

Q: What maintenance is required for my batteries?

A: The maintenance required for your batteries will depend on the type of battery you have. Some types of batteries, such as lead-acid batteries, require regular maintenance, including checking the electrolyte levels and cleaning the battery terminals. Other types of batteries, such as lithium-ion batteries, require little to no maintenance. It’s important to refer to the manufacturer’s recommendations for specific maintenance requirements.

Q: What about the disposal and recycling of batteries?

A: It is important to dispose of batteries properly to minimize their impact on the environment. Many types of batteries, including lead-acid batteries and nickel-cadmium batteries, contain hazardous materials that can be harmful if not handled and disposed of correctly. Some municipalities have special programs for the collection and recycling of batteries, so it’s a good idea to check with your local waste management agency for information on how to dispose of batteries in your area.

Q: How do I avoid incidents with my battery?

A: There are a few things you can do to avoid incidents with your battery:

• Follow the manufacturer’s instructions for installation, use, and maintenance.
• Never attempt to disassemble or modify the battery.
• Store the battery in a dry, well-ventilated area that is protected from extreme temperatures.
• Keep the battery away from open flames and other sources of ignition.
• Do not short circuit the battery terminals.

Q: What happens if an incident occurs with my battery?

A: If an incident occurs with your battery, it is important to follow any safety guidelines provided by the manufacturer. If the battery is damaged or leaking, it is best to evacuate the area and call for professional assistance. If the battery is on fire, do not try to extinguish the fire yourself. Instead, call the fire department and evacuate the area.

Q: How do the current Government incentives work if you want to install a solar power system? 

A: The current government incentives for solar power systems vary by country and can include tax credits, rebates, and grants. Some incentives are only available for residential installations, while others are available for both residential and commercial installations. To find out what incentives are available in your area, you can search online or contact your local government agency responsible for energy and the environment.

Q: How do solar photovoltaic (PV) panels work?

A: Solar photovoltaic (PV) panels work by converting sunlight into electricity. When sunlight hits the panels, it knocks electrons loose from their atoms, which generates an electric current. This current is then sent to an inverter, which converts it into alternating current (AC) electricity that can be used to power your home or business.

Q: What Government financial incentives are available for solar power?

A: Some government financial incentives for solar power include tax credits, rebates, and grants. These incentives can help offset the upfront cost of installing a solar power system and make it more affordable. Again, the specific incentives available to you will depend on your location.

 

Q: How long will it take for a solar power system to pay for itself?

A: The payback period for a solar power system is the amount of time it takes for the system to generate enough electricity to offset the cost of the system. The payback period can vary based on the size of the system, the amount of sunlight it receives, and the cost of electricity in your area.

 

Q: How much electricity will I generate?

A: The amount of electricity you will generate with a solar power system depends on the size of the system, the amount of sunlight it receives, and the efficiency of the panels. In general, a larger system with more efficient panels will generate more electricity. To get a more accurate estimate of how much electricity your system will generate, you can use online calculators or consult with a solar installer.

Q: What is the difference between net metering and gross metering?

A: The difference between net metering and gross metering is how excess electricity generated by a solar power system is credited to the homeowner. With net metering, excess electricity is credited to the homeowner’s next electricity bill at the same rate the electricity was purchased. With gross metering, excess electricity is sold to the grid at a predetermined rate, which may be lower than the rate the homeowner pays for electricity.

Q: How much will I be paid for the electricity I generate?

A: The amount you will be paid for the electricity you generate depends on the net metering or gross metering policies in your area, as well as the rate you are paid for excess electricity. In some cases, you may not be paid for excess electricity at all, and in other cases, you may be paid a set rate for every kilowatt-hour (kWh) of excess electricity you generate.

Q: What is the expected lifespan of a Solar PV System?

A: The expected lifespan of a solar photovoltaic (PV) system is 20-25 years. Most solar panels are warranted for 20-25 years and are expected to continue generating electricity beyond that point, although their output may decline over time.

Q: Does the system require regular maintenance?

A: Solar power systems do require some regular maintenance, such as cleaning the panels and checking the inverter and other equipment. However, they do not require as much maintenance as other types of power systems, and many solar panels are designed to be self-cleaning.

Q: Is the system exposed to corrosion?

A: Solar power systems can be exposed to corrosion, but this is typically not a major concern. Most solar panels are made of durable materials that are resistant to corrosion, and the rest of the system is typically installed in a protective enclosure.

Q: Will it help the environment if I get solar power?

A: Yes, solar power can help the environment by reducing greenhouse gas emissions and other pollutants. Solar power systems generate electricity from sunlight, which is a clean and renewable resource, and they do not produce any emissions during operation.

Q: How does the solar rebate scheme work?

A: Solar rebate schemes provide financial incentives to homeowners and businesses to install solar power systems. These incentives can come in the form of grants, rebates, or tax credits, and they are usually offered by government agencies or utilities.

Q: How much is the rebate worth to me?

A: The value of a solar rebate to you will depend on the specific terms of the rebate program and the size of your solar power system. You can use online calculators or consult with a solar installer to get a rough estimate of the value of the rebate to you.

Q: Will the incentives run out and are they reducing each year?

A: Some solar incentives may have expiration dates, while others may be ongoing. The availability and value of solar incentives can also vary from year to year, depending on funding and other factors.

Q: How do I know if I am eligible for a rebate?

A: To be eligible for a solar rebate, you typically need to meet certain criteria, such as owning a home or business, installing a certain size or type of solar power system, and meeting any other requirements set by the rebate program. To find out if you are eligible for a solar rebate, you can contact your local government agency responsible for energy and the environment or your utility company.

Q: How does the actual process work?

A: The actual process for getting a solar rebate can vary depending on the program you are participating in. In general, you will need to install a solar power system, apply for the rebate, and provide any required documentation to prove that you meet the eligibility requirements for the rebate. You may also need to have your system inspected to ensure that it meets the standards of the rebate program.