Energy couple: Spruce Energy, sonnen companion on residential power storage, VPP plan


Spruce Power, a power-as-a-service company with roots in energy efficiency and solar energy for private households, has signed a supply and partnership agreement with sonnen that allows Spruce’s existing 50,000 solar customers to add energy storage. In addition, the two companies plan to develop VPP (Virtual Power Plant) projects in emerging distributed energy resource aggregation (DER) markets such as New York and California that offer programs to support the growth of storage systems behind the meter.

Just weeks after announcing the company’s expansion into integrated smart energy systems, the partnership is building trust in Spruce as it moves to home power solutions.

“Spruce is working with sonnen to show how individual smart home energy systems and virtual power plants of networked smart home energy systems can support the local grid,” said Christian Fong, CEO of Spruce Power. “Spruce’s growth model is not only to own and manage solar systems, but also to help solar owners and the utility companies that serve them maximize the value of those systems. Sonnen’s sophisticated software and his extensive know-how in relation to home battery products, VPP models and proven project development make them the perfect partner for this. “

As part of the partnership, existing Spruce solar customers have the opportunity to add sonnen’s latest offering, the sonnenCore home battery system, to their solar home. With a usable capacity of 10 kilowatt hours, the sonnenCore offers homeowners a reliable source of energy in case of emergencies or power outages, as well as the ability to save electricity costs by managing the service life (TOU).

Together with its partners, Sonnen has already provided more than 12.6 MWh VPP projects around the sonnen ecoLinx, which Bloomberg calls the “iPhone of batteries”. In the future, Spruce and Sonnen plan to develop VPP projects with customers of solar and retrofit batteries in markets where there are opportunities for DER aggregation.

“We decided to partner with Spruce Power because it has a proven ability to build a robust network of existing solar customers for private households. As the recent expansion to larger energy services shows, they have a clear understanding of the many ways we can create value for utilities, grid operators and homeowners by adding batteries to their solar installation portfolio, ”said Claudia Kolbinger, VP of Consumer Products at sonnen Inc. “By combining Spruce’s ability to build networks of clean energy homes with sonnen’s ability to manage energy and turn distributed assets into revenue generating VPPs, we can help create a clean, reliable and sustainable energy future for all. “

The growth of the home battery market is accelerating, in part due to increasing concerns among homeowners about possible outages such as preventative power outages on high risk fire days in parts of California. The household energy storage segment saw record growth for seven consecutive quarters and had its best quarter to date in the fourth quarter of 2020 with a notable increase in residential installations, which Wood Mackenzie Power & Renewables says is expected to continue in 2021 and beyond. last report by the US Energy Storage Monitor. Sonnen is responding to this growing interest with innovative energy solutions that can be seamlessly integrated into every house and offer various energy management functions.

Partnering with sonnen is a valuable next step in Spruce’s mission to support homeowners on their journey to energy independence and achieve greater impact and returns on their distributed assets. Spruce customers can now use the company’s online battery system sizing tool to determine the ideal size, configuration, and backup duration for a home battery system upgrade, starting with sonnenCore.

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