Electric bills if net metering doesn’t cover your energy consumption.Without a backup battery to store your excess energy, you’re just as vulnerable to blackouts as you were before you installed solar panels. However, grid-tied systems are susceptible to power outages. With less equipment, the installation is also more straightforward. Grid-tied systems are great for people who want the flexibility and reassurance of two energy sources without spending extra on solar batteries. By the end of the year, your system typically exports more power than it imports, and many people achieve a zero net electricity bill. Later, when it’s dreary or dark out, you can use those credits to pay for energy from the grid. Basically, every time you have enough electricity to share, you accrue a credit. This often works through a setup called net metering, which acts as a point system between you and your utility company. Likewise, anytime you need more energy than your panels are producing, like at night or on rainy days, you can receive extra energy from the grid. If your solar panels make more electricity than you need at the moment, like during the middle of the day when no one is home, they can send that excess energy out to the grid instead of it being wasted or lost. During a power outage, solar energy systems without battery storage have to shut down to protect people working on the power lines. Solar panels don’t produce electricity consistently throughout the day, and being connected to the electric grid gives these systems a way to compensate for that inconsistency. Grid-tied systems are the simplest and most popular to install. » LEARN: Types of solar panels Grid-tied solar power systems There’s no perfect, one-size-fits-all solution for going solar, but there are three main options you may encounter when researching what’s best for you: grid-tied, off-grid and hybrid. The three main types of solar power systems explained
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