Stem Expands Business Strategy with AI-Driven Energy Storage

Written By: Jen Neville
January 22, 2019

energy storage

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David Gelinas, VP, Finance and Business Operations at STEM will be speaking on Panel Discussion: BTM Storage Markets and Finance

The BTM storage market saw huge growth in 2018, with strong predictions of more growth to come. Will these predictions prove true? This panel will explore the BTM storage market, and examine the impacts of policy and financial markets on the segment.
– What impacts are evolving interconnection rules having on deployments?
– Where is the policy environment getting better?
– How soon will battery projects be able to really take advantage of multiple value streams?
– What are the roadblocks and when will the regulatory framework allow for aggregated storage to become a factor?


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An Artificial Intelligence-driven energy storage service company, Stem, Inc., recently announced the expansion of its business operations and the achievement of new industry milestones. Stem was the first to create AI-driven storage products designed to provide demand charge management and energy arbitrage for commercial and public customers, with the first projects entering operations in 2012. Stem systems now regularly provide customers and utilities with demand charge reduction, time of use bill management, increased PV self-consumption, and distribution deferral services, among the 13 energy and grid services capable of storage.

Entering 2019, Stem is expanding its business strategies with its AI platform, capable of providing additional power quality and backup power services for the uninterruptible power supply market and solar + storage markets.

Stem energy storage systems are also capable of offering additional voltage control and frequency regulation where Federal and state regulators finalize local market rules for storage’s role in those grid services.

Stem is also expanding its focus in the Northeast retail and wholesale markets with a number of strategic partners. Stem’s expansion into both front of meter and customer-sited projects in the US Northeast complements its expansion over the past two years into the US Southwest and in Ontario, Canada and Japan.

Finally, Stem achieved a significant industry milestone, by surpassing 100 megawatt-hours of deployed AI-driven energy storage systems. Stem achieved this milestone last month with the installations at two California malls, totaling 4.4 MWh, for Unibail Rodamco Westfield at Westfield Santa Anita and Westfield Culver City. This total installed base, installed at over 200 customer sites, is equal to powering the San Francisco Bay Bridge lights for approximately one year.

Industry analysts predict fast growth in the energy storage markets and a strong year ahead in market demand.

Indeed, Stem’s average system size sold is now approximately 1.13 MWh and rapidly rising, and the company is now seeing market demand for Stem system sizes of 10 MWh or more per site. In 2018, Stem doubled the systems built by the company compared to its aggregate prior four years.

“In 2018, Stem announced major territory, financial, and partner expansions. We are now positioning ourselves early in 2019 for another robust growth year,” stated John Carrington, CEO of Stem, Inc. “Stem continues to innovate and attract top-quality talent to use AI and energy storage to help customers, utilities, and grid operators lower their costs and efficiently modernize the electric grids. We believe 2019 will be the breakout year both for the industry and Stem on increasingly larger energy storage system sizes, customer demand, and new AI-based services.”

Stem’s AI platform is the first of its kind for energy storage, performing real-time energy optimization that reduces energy costs and enables customers to access additional market opportunities via Stem’s network.

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