Stem and KYOCERA Solar Launch Energy Storage Solution for Commercial Power Users

STEM Energy Storage

, Inc., an  advanced energy technology company, today announced it has teamed with Kyocera Solar, Inc., a provider of  solar power solutions, to offer an integrated solar photovoltaic (PV) and energy storage solution for commercial power users. The new solution automatically reduces demand on the electric utility grid, providing guarantees for significant energy savings now and against possible future tariffs — benefits reinforced by using high-performance Kyocera solar modules. Kyocera is the first solar provider to offer Stem’s innovative solution, which is available now to businesses in California, Hawaii and New York looking to reduce energy costs by going solar.

“Intelligent energy storage is a natural fit for PV — and our solution integrates seamlessly with Kyocera’s solar technology to bring new value to the commercial market,” said Stem CEO John Carrington. “Kyocera’s expertise in providing turnkey solutions through its technology partners presents a great opportunity for Stem as we expand our offering to solar customers.”

Kyocera is the only solar module manufacturer to earn the highest rating across all six PV module test categories in GTM Research’s July 2014 PV Module Reliability Scorecard.

Stem’s advanced, behind-the-meter energy storage and predictive analytics combine to enable rapid response to spikes in commercial customers’ electricity demand, drawing on previously stored power to reduce energy costs. In aggregate, these systems can provide additional capacity to utilities during periods of variable solar generation and peak demand. Stem’s system can also predict power usage up to 30 days in advance, charging the on-site battery from the utility grid when rates are lowest, and saving customers up to 20% on their annual electricity bill.

“Kyocera is an industry leader in solar module reliability, and the Stem platform will optimize our customers’ energy use through real-time data and state-of-the-art energy storage technology,” said Steve Hill, president of Kyocera Solar, Inc. “Simply put, we believe our comprehensive solution offers a greater return, in a shorter period, and with a longer total lifespan, than any competing renewable energy system.”


About Stem

Stem, a leading provider of energy optimization services, combines big data, predictive analytics and energy storage to reduce electricity costs for businesses. The company’s solution requires no compromises on building occupant comfort and offers unparalleled energy insights, allowing a comprehensive view into past, present and future energy use. As demands on the grid continue to increase, Stem’s system enables good energy citizenship and unlocks the potential for expanded renewable energy integration. Headquartered in Millbrae, California, Stem is funded by a consortium of leading investors including Angeleno Group, Iberdrola (Inversiones Financieras Perseo) and GE Ventures.


Kyocera is one of the world’s leading producers and suppliers of solar photovoltaic modules and systems. Throughout its 39-year history of innovation in solar technology, the company has been recognized as an industry pioneer with multiple world records in multicrystalline silicon cell efficiency. Kyocera was the only solar module manufacturer to earn the highest rating across all six PV module test categories in GTM Research’s July 2014 PV Module Reliability Scorecard. Kyocera serves thousands of residential and industrial customers in both developed and developing regions, with more than 5 gigawatts of solar collection equipment installed since 1975.

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