Panasonic now offering beefed up battery for residential solar + storage (17.1 kWh of capacity)

pika solar storage

Panasonic Eco Solutions of North America sent word of a significant upgrade to the Harbor Smart Battery portfolio with the Harbor Plus Smart Battery, which now clocks in as the solar industry’s most powerful and efficient smart battery with 17.1 kilowatt hours (kWh) of capacity and real power output of up to 10 kilowatts (kW). Additionally, the Harbor Plus Smart Battery now delivers 21 percent more energy and 30 percent more peak power than the next leading home smart-battery solution, enabling homeowners to extend solar power longevity, better manage energy around peak-rate periods and withstand off-grid scenarios at a more cost-effective price per kWh of storage.

Panasonic and Pika Energy first co-developed the Harbor portfolio of residential smart batteries in 2017, and less than a year later, the companies are introducing upgraded capacity with the premium Harbor Plus as well as the entry-level Harbor Flex to deploy more power, efficiency and capability than any other solar smart batteries available on the market.

“The solar industry faces the reality of certain maximum energy density, pushing the market to deliver innovative and disruptive solar solutions to a quickly growing consumer base,” said Dan Silver, vice president, Panasonic Eco Solutions North America. “We are excited to once again partner with Pika Energy to deliver an industry-leading solution in the Harbor Plus Smart Battery, outpacing competitors to expand solar power capacity and capability, ultimately providing customers with freedom from grid dependence.”

The solar-ready Harbor Plus Smart Battery is powered by six Panasonic Lithium-Ion (Li-ion) battery modules connected in series for built-in redundancy. This robust design coupled with 17.1 kWh of usable energy and up to 10 kW of power can support homeowners for long-term grid outage and off-grid scenarios, and can also power heavy equipment such as well pumps and air conditioning units.

Paired with the Pika Energy Island, the Harbor Plus Smart Battery offers solar system owners enhanced and expanded features, including:

  • Self-supply Mode, which maximizes self-consumption of stored energy captured by solar panels – such as Panasonic solar modules HIT – to reduce the home’s dependence on the grid
  • Zero-export Mode, a subset of self-supply mode that prevents any solar energy from transferring to the grid, enabling homeowners to reduce grid dependence as well as remain in compliance in states where exporting solar power to the grid is prohibited, like Hawaii
  • Time-of-Use Capability, helping homeowners who live in areas with time-of-use rate policies, such as California, efficiently manage solar power and reduce costs with an optimized schedule that reduces or eliminates grid use during peak-rate periods
  • Clean-backup Mode, which stores clean solar energy in the smart battery for use when the grid is disrupted. Load transfer is instantaneous, taking as little as 1/60th of a second.
  • Priority-backup Mode, which charges the smart battery from the grid at the full capacity of the system, allowing homeowners to prepare for an expected grid outage such as in the event of an impending storm
  • Dark-start Capability, with the ability for Pika smart batteries to commission without the grid and restart using only solar power should the batteries exhaust their reserve energy; as compared to other solar storage systems that require on-site service from a technician to jump-start dead batteries.

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— Solar Builder magazine

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