Stem and Inter-Island Solar Supply Launch Partner Program to Expand Turnkey Storage Solutions into the Hawaiian Commercial and Industrial Solar Market

By adding storage, developers and distributors can scale their offerings and provide added value to customers in terms of resilience, cost savings, and sustainability. Stem also offers partners more than a decade of experience in how to engineer and design solar+storage solutions, benefit from energy market participation, and finance projects.

Through the Stem Partner Program, participants can become energy storage experts with Stem certification. The program also enables partners to streamline their sales cycles with proposal and deal support, and drive more business through Stem’s lead generation program. Partners will also benefit from volume-based pricing, system deployment support, and a comprehensive energy storage documentation library.

By partnering with Inter-Island Solar Supply, the largest and most distinguished solar energy equipment provider in the Hawaiian Islands, Stem is able to rapidly expand its reach, while maintaining best-in-class support for its partner network. For Inter-Island Solar Supply, partnering with Stem represents another step forward into the C&I space offering significant potential growth in 2020.

To learn more about Stem’s Partner Program, contact John Serron at john (dot) serron (at) stem (dot) com, and please Register here for the June 25th webinar for Hawaiian EPC’s and Solar Installers.

“Energy Storage is a logical next step in the direction that that Inter-Island Solar sees itself and the C&I Solar market heading in Hawaii. Stem understands that experience matters. This was a key factor in our decision to partner with them.” – Brian Gold, President, Inter-Island Solar Supply.

About Inter-Island Solar Supply

Inter-Island Solar Supply is one of the oldest and most experienced renewable energy equipment distributors in the world. Incorporated in Oahu, Hawaii in 1975, Inter-Island operated continuously under the same ownership until September 2014, when the company transitioned to being 100% employee-owned as of September 20, 2014.

About Stem, Inc.
Stem provides solutions that address the challenges of today’s dynamic energy market. By combining advanced energy storage solutions with Athena™ AI, a world-class artificial intelligence (AI)-powered analytics platform, Stem enables customers and partners to optimize energy use by automatically switching between battery power, onsite generation, and grid power. Stem’s solutions help enterprise customers benefit from clean, adaptive energy infrastructure and achieve a wide variety of goals, including expense reduction, resilience, sustainability, environmental responsibility, and innovation. Stem also offers full support for solar partners interested in adding storage to standalone, community, or commercial solar projects – both behind and in front of the meter.

Headquartered in Millbrae, Calif., Stem is directly funded by a consortium of leading investors including Activate Capital, Angeleno Group, BNP Paribas, Constellation Technology Ventures, Iberdrola (Inversiones Financieras Perseo), GE Ventures, Magnesium Capital, Mithril Capital Management, Mitsui & Co. LTD., Ontario Teachers’ Pension Plan, RWE Supply & Trading, Temasek and Total Energy Ventures. For more information,

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SCALA2 water booster pump from Grundfos

Inter-Island Solar Supply is proud to announce the new SCALA2 water booster pump from Grundfos. The SCALA2 will be replacing the MQ series booster pumps in August 2016.

The Grundfos SCALA2 booster pump delivers perfect water pressure to all taps while operating at whisper quiet decibel levels. It features the pump, motor, tank, sensor drive, and non-return valve all in one unit that installs quickly and easily. It incorporates integrated speed control enabling variable pump performance that tracks demand on a real time basis.

The SCALA2 also comes equipped with Grunfos’ patented Intelligent Pump Control. The Pump Control adjusts the pump’s performance to any demand, ensuring that the SCALA2 is a versatile and well-rounded booster pump.

The SCALA2 has one variant for all domestic applications. As always with Grundfos the SCALA2 is incredibly reliable and easy to operate, with a user-friendly control panel for quick set-up and self-priming mechanisms ensuring fool-proof installation.

Model Horse Power Voltage
SCALA2-115V 3/4 HP 115V
SCALA2-230V 3/4 HP 208-230V
Posted in News, Products

Utility Performance, Residential Application

Inter-Island Solar Supply is proud to partner with LG Chem to provide Hawaii the perfect Lithium-ion solution for your home. The RESU6.5 and RESU10 are the result of over 20 years of research into Lithium-ion technology. LG Chem has installed over 1.6GWh of energy storage products across the world and are well-suited to address the unique challenges facing the Hawaiian energy storage market.

  • Technical Superiority
    • Minimal dead space
    • High energy density
    • Long lasting sustainability
  • Safe Construction
    • Safety Reinforced Separator (SRS)
    • High mechanical and thermal stability
    • Nano-scale separator protection
  • Powerful Performance
    • Industry-leading continuous power
    • 95% round-trip efficiency
    • 80% capacity retention after 10 years

The RESU is compact, lightweight, and easy to install. This world-class battery is a proven performer that can safely operate under any electrical condition. Please feel free to inquire about the LG Chem RESU Series or stop by and see it for yourself.

Pre-orders available at special introductory pricing. Please contact Inter-Island Solar Supply for more details.

Posted in News, Products

The Future of Energy, Now

Inter-Island Solar Supply is proud to partner with Enphase Energy to provide Hawaii with an efficient and modular energy storage solution. The Enphase AC Battery is Enphase’s first-of-its-kind, integrated, simple to install, safe, and reliable energy storage product. By applying the same modular design that encompasses all of Enphase’s micro-inverter offerings, the Enphase AC Battery is the optimal choice for ease-of-install and signature plug-and-play operation.

  • Simple
    • One-person install
    • Plug and play installation
    • Interconnection via standard AC wiring
  • Safe
    • No high voltage DC
    • Safety tested and certified energy cells
    • Highly stable, long term energy storage
  • Reliable
    • Lithium iron phosphate (LFP) chemistry
    • Single source, 10-year, 7300 cycle warranty
    • Modular design

The modular architecture delivers a “right-sized” storage solution and is east to expand as a homeowner’s need change. Please feel free to inquire about the AC Battery or stop by and see it for yourself.

Pre-orders available at special introductory pricing. Please contact Inter-Island Solar Supply for more details.

Posted in News, Products

Don’t Be a Casualty of Black Friday Madness

Inter-Island Solar Supply has the cure.

This year, we’re extending Black Friday all the way to the end of the year. From now until December 31st bring in your leaking collectors, busted solar tanks, broken pumps, or malfunctioning tankless gas heaters and get a discount on a brand new replacement.

Collectors Replacement
R & R or MorningStar $50 off contractor pricing
Solar Tank
Ruud $50 off contractor pricing
AO Smith $50 off contractor pricing
Other Brands $50 off contractor pricing
Commercial Water Heater
Rheem $200 off contractor pricing
Bradford Commercial $200 off contactor pricing
Tankless Gas Heater
Rinnai $50 off contractor pricing
TACO $25 off a comparable Grundfos pump
Heliodyne $25 off comparable Steca controller
Delta T $25 off comparable Steca controller
Posted in Promotions