
The house vitality storage (ESS) market is crowded, together with manufacturers familiar to photo voltaic installers (SolarEdge, Enphase, Canadian Photo voltaic) and to householders (Panasonic, Duracell, Generac, Briggs & Stratton), in addition to roughly 1 zillion extra.
When a very new title like FranklinWH made its preliminary U.S. rollout at Intersolar 2022, touting a real “complete residence answer,” I used to be curious how it might fare. One yr later, and FranklinWH has arguably made extra strides than every other residence ESS firm.
FranklinWH headlines
FranklinWH kicked off 2023 by formally naming Vincent Ambrose as chief industrial officer. Ambrose, who notably led the North American gross sales and operations at Canadian Photo voltaic previous to becoming a member of FranklinWH, is now tasked with the agency’s industrial and operational growth within the North American market. He had been working in a advisor capability since summer time of 2022.
FranklinWH obtained the Supplies and Strategies (M&M) Certification from the Metropolis and County of Honolulu’s Division of Planning and Allowing (DPP) in January. ESS installers on the island of Oahu can now reference the FranklinWH Residence Energy M&M Certification to fast-track the usual residential allowing course of, shortening allowing delays by virtually six months. Since this announcement, US-GM and cofounder Gary Lam says “one of many prime 5 gamers” on the island is now solely putting in FranklinWH.
FranklinWH was additionally simply listed by LUMA in Puerto Rico, which qualifies them on the market in Puerto Rico.
Sunnova added FranklinWH to its vitality storage vendor portfolio in February. This partnership means Sunnova sellers can pitch the FranklinWH ESS to present photo voltaic clients, in addition to to builders of latest properties as a whole-home answer.
“Getting listed on Sunnova’s AVL is a 7-month technique of technical due diligence,” Ambrose says. “Identical as Daylight Monetary or among the different financing entities. They’re all vital as a result of our installer base wants a plethora of financing options for them to have the ability to excel within the market.”
FranklinWH options are additionally AVL-listed with a number of monetary establishments together with Mosaic, Sungage Monetary and GoodLeap.
Product overview
FranklinWH’s regular ascent is unquestionably as a result of deserves of its flagship system, Franklin Residence Energy (FHP), which is extra strong than a typical ESS.
FHP is a whole-home vitality administration answer that integrates photo voltaic, battery, grid, and generator energy sources and manages them to optimize the security, reliability and effectivity of a house’s vitality wants.
“After I received the possibility to peel again the onion on the FranklinWH product, I used to be impressed,” Ambrose informed us in a chat at Intersolar 2023. “Gary Lam, who I’ve identified for variety of years, performed a key position designing it. He introduced a customer-centric perspective as to what the U.S. market wanted in a product as opposed a bunch of engineers overseas making an attempt to construct one thing. It’s a customer-driven spec as a substitute of an engineering pushed spec.”
Engineers would gush over these specs too: FHP consists of the aPower X, a 13.6 kWh lithium iron phosphate (LFP) battery, and the aGate X, a cloud-based sensible vitality management system. The aGate is FranklinWH’s hundreds management product – one other phase that’s gaining significance out there and shortly crowding with the likes of Lumin, SPAN and Savant.
“Having a battery is incredible, however in the event you’re simply throwing electrons at an issue, that’s not optimum,” Ambrose explains. “When you consider it by way of the lens of residence vitality administration – how do I take advantage of this to its optimum capability or capabilities, you see why the aGate is so vital. When grid energy goes down, it’s preprogrammed to start out taking circuits offline to maintain these important hundreds going that you really want {that a} house owner isn’t going to consider.”
We’ve coated the system’s nuances a number of instances since its launch. Lam says they’re on model 3 at present, which is usually the identical apart from “micro degree optimizations” based mostly on installer suggestions that may save an additional 5 to 10 minutes at set up. In addition they added a safety circuit, making the set up nearly error proof.
FranklinWH just lately launched aPbox, a junction for households with extra advanced photo voltaic installations. It solves issues reminiscent of outsized PV methods and wiring restrictions.

Usually, FranklinWH recommends the ability ratio between the PV system and the aPower batteries is available in at 1:1 or much less.
“For instance, you probably have or set up a ten kW PV system, we suggest putting in two aPower batteries, as the continual cost energy per aPower battery is 5 kW,” Lam notes. “Some householders don’t wish to set up that many batteries, which suggests the ability of their PV methods could also be greater than the ability of the battery. They will set up an aPbox to distribute the additional energy on to the load facet by way of the aGate or ship the ability to the grid if permitted.”
An FHP system with an aPbox can assist a most of 30 kW PV system.
In different conditions, the set up of the FHP might require altering the ability traces of the home with the intention to join the PV system and aGate, which can result in a big further funding. On this circumstance, an aPbox can act as a switch station to offer a connection between the PV system and aGate with out altering the ability traces of the home.
FranklinWH is priced competitively, could be commissioned in as fast as 5 minutes and provides a 12-year guarantee vs. an trade common of 10 years.
Future outlook?
ESS installers are sometimes in a tricky spot, making an attempt to match buyer expectations to the realities of the out there expertise.
“There’s quite a lot of buyer misperception,” Ambrose says of the house vitality storage market, which nonetheless requires quite a lot of buyer schooling, an space he admits FranklinWH may enhance upon similar to everybody else.
“In more often than not of use (TOU) conditions, 99% of the time you’re beating the duck curve and storing photo voltaic to offset these greater charges. That 1 % of the time when the grid goes down, you’ve received your battery there to simply maintain you in a cushty spot in the home. When you body it up in that context, and also you set the best expectations, you then’re good to go.”
FranklinWH is now huge in Hawaii (talked about earlier) and in nice place to resolve California’s web billing market uncertainty.
“How a lot will attachments go up in California? We’ll determine it out in time. My sense is the trade all the time overreacts,” Ambrose says. “We’ve seen this since 2006 when the primary drop within the California photo voltaic initiative occurred. You thought it was the tip of the world, which was a fallacy. NEM 3.0 is frightening at some degree, however the sturdy will survive, and the actually good ones are going work out the attachment charge and begin promoting storage.”
Proper now, Texas is perhaps its largest market, due to the aGate’s potential to combine a generator.
FranklinWH additionally stories a steady battery cell provide chain. Based on an April webinar with Philip Shen of Roth Capital Advisors, the corporate may provide 30-40k items and “may double this capability within the subsequent six months.”
FranklinWH is out there in distribution through BayWa r.e., Greentech Renewables, Inxeption Vitality, Fortune Vitality, The Energy Retailer, Van Meter, Inter-Island Photo voltaic Provide, R&R Photo voltaic Provide, and SolWel.
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