Solar Panels

The key to unlocking solar power's potential lies in lithium batteries

Articles | February 4th, 2021

Image by Gerd Altmann from Pixabay

In 2019, the average monthly residential utility bill in the United States amounted to $115.49. With costs continually rising, consumers are looking for ways to reduce expenses in the long term. Environmentally friendly options like solar panels, also known as photovoltaics (PV) systems, offer households a way to ease the strain presented by monthly utility-related expenses. One limitation of this alternative energy source is that it relies on the sun's light to produce power.

Thankfully, solar power's potential is maximized by leveraging a range of batteries to make use of the energy harvested during daylight hours. These batteries act as an energy reservoir to power your home and are a relatively new development in the world of residential solar power. In short, solar batteries are there to ensure the power you need is available at all hours.

POWER YOUR HOME, RAIN OR SHINE

As more consumers turn to solar power, the advantages of solar batteries are becoming increasingly apparent. On a cloudy day, or during a power outage, these specialized batteries are the safety net many consumers need to mitigate lapses in power. Whether a consumer's goal is to reduce their utility bill or to disconnect from the grid entirely, solar batteries are an integral part of a fully-functioning solar-powered solution.

BENEFITS OF SOLAR BATTERIES

By integrating a solar battery system, consumers can make the most of the excess solar power harvested during the day. An MIT research study found that solar battery storage helps make better use of electricity system assets, including wind and solar farms, natural gas power plants, and transmission lines. Thanks to the lowered costs of the lithium batteries themselves, there is growing interest to leverage them within residential solar power systems.

Investing in solar batteries can help homeowners:

  • Reduce their electricity bills
  • Lower their carbon footprint
  • Eliminate reliance on large energy suppliers.

MEASURABLE COST SAVINGS (FOR ALL)

The specifics of cost savings afforded by powering a residence with solar panels varies largely by region. Certain counties will offer credits per kilowatt-hour (KWh) of solar energy that is produced and returned to the grid. A Boston University professor, Robert Kaufmann, conducted a research study to measure just how substantial the cost-savings from solar-backed solutions really were. Not surprisingly, the subjects surveyed reported generous cost savings, along with credits from their utility companies for the energy sent back to the city's grid.

Yet, the most astounding discovery of Kaufmann's research was the realization that those 40,000 surveyed were actually reducing electricity prices for all of the 3 million electricity ratepayers in the state, including lowering costs for those with no solar panels.

THE POWER OF LITHIUM

The mass-production of electric vehicles is to thank for lithium batteries' lowered costs. Lithium-ion batteries make the ideal reservoir for a solar-powered solution thanks to their ability to easily conduct currents through their lightweight metal components. Lithium batteries are rechargeable, thanks to their ability to reverse chemical directions. The bottom line is that lithium batteries can absorb and retain charge for longer periods of time; to ensure your family is not left in the dark.

WHY LITHIUM-ION?

  • Lithium batteries don't emit gases, unlike their lead counterparts
  • Lithium batteries can discharge 100% of reserved power
  • System efficiency of lithium-ion batteries can surpass 90%.

ASK THE EXPERTS

Many consumers understand the benefits of solar power but still wonder, how can I design a solar system that encompasses all of the necessary components? There are several factors to keep in mind when designing a solar system for commercial or residential purposes, and solar back-up batteries are just one of them.

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