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Evolution of commercial solar: Lessons from discontinued brands
Hoffman solar-powered radio. Photo: Museum of Solar By Max Khabur | The solar industry’s rapid evolution is a story of innovation, fierce competition, and dramatic exits. As countries move toward...
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SunPower to acquire Ambia Solar amid comeback
SunPower continues its revival tour as the solar technology, services, and installation company has agreed to acquire Ambia Solar. Based in Lindon, Utah, just 1.7 miles from SunPower’s headquarters in...
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Vote: Project of the Year 2025 | 1 MW to 10 MW
Here are the 1 MW to 10 MW nominees for the 2025 Solar Builder Project of the Year awards. The form is at the bottom of the page. You are allowed to vote once per day from now until Friday, Oct. 10 at...
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SunPower comeback: Sunder Energy acquired in $40M deal to expand nationwide...
Acquisition doubles SunPower’s sales footprint to 45 states, adds $74M in annual revenue, and expands SunPower’s TPO base as the brand tries to re-establish its good name and book of business As we...
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Solar and Battery Storage Supplier Financial Rankings | Q3 2025
Sinovoltaics’ Q3 2025 Financial Stability Rankings for solar module, inverter, and battery storage suppliers, shows Tigo slipping into the Distress Zone, while Waaree, APsystems, and Tesla remain in...
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Your solar model is wrong — but it can still be useful
Industry analysis shows solar portfolios are underperforming by 6% on average, risking $100 million per GW in lost value. By modeling both weather variability and systematic performance biases,...
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Solar and Battery Storage Supplier Financial Rankings | Q2 2025
Evaluating the financial stability of your solar PV module, inverter, and battery storage suppliers is always crucial, but especially at this uncertain time of tariffs and tax credit upheaval....
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Tandem solar progress reported by Qcells, TrinaSolar and Tandem PV
ID 255734435 | Construction © Subhakitnibhat Kewiko So-called “tandem” solar PV is likely to provide the next step-change in solar module power production. Tandem solar involves pairing perovskite...
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Tandem PV secures $50M to pursue U.S. manufacturing of next-gen PV modules...
Perovskite solar technology holds the promise of higher efficiency solar panels. Perovskite has also been difficult to move from lab results to the real world. However, the perovskite / tandem PV era...
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Sunnova lays off 300 employees, focuses on ‘high-margin business’
Forecasts for residential solar continue to trend downward. Persistently high interest rates and policy uncertainty has moved much of the market from a loans to a leases, and that transition continues...
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Solar and storage manufacturer financial health rankings | Q4 2024
Quality assurance firm Sinovoltaics released the fourth edition of financial ranking reports for 2024. The ranking reports evaluate the financial stability of publicly listed manufacturers of PV...
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Solar Builder announces Project of the Year Award winners
The Solar Builder Project of the Year Award winners have been announced! Congrats to Adventure Science Center, Camino Real Mobile Estates, Cincinnati Zoo Solar Carport, and the Escalante Solar...
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Vote: Project of the Year 2024 | Under 100 kW
Here are the Under 100 kW nominees for the 2024 Solar Builder Project of the Year awards. The form is at the bottom of the page. You are allowed to vote once per day from now until Friday, Oct. 11 at...
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Residential solar player Lumio files for bankruptcy
Utah-based residential solar company Lumio filed for Chapter 11 in the U.S. Bankruptcy Court in Delaware this week, another of 2024’s residential solar business casualties. Unlike SunPower’s...
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Solar and ESS manufacturer financial health rankings | Q3 2024
SunPower’s bankruptcy is a reminder of the precarious position of many solar businesses. With that as the backdrop, let’s take a look at the Q3 2024 financial report rankings from Sinovoltaics, a...
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SunPower files for bankruptcy, sells some assets to Complete Solaria
SunPower Corp. filed for Chapter 11 bankruptcy this week, a move that seemed inevitable after the recent decision to halt its PPA and lease business. SunPower entered into an asset purchase agreement...
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Solaris Renewables is now a Maxeon Preferred Partner
Massachusetts-based solar and storage installer Solaris Renewables is now a Maxeon Preferred Partner, offering Maxeon IBC (Interdigitated Back Contact) solar panels for its residential and commercial...
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SunPower stops supporting new solar lease, PPA sales
SunPower’s huge organizational changes continue. SunPower sent a letter to dealers this week to say it “will no longer be supporting new Lease and PPA sales nor new project installations of these...
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ConnectDER expands Meter Socket Adapter markets (NJ and Illinois), brings on...
ConnectDER is a climate tech company focused on simplifying the connection of DER (distributed energy resources) for homes. We profiled the virtues of the ConnectDER Meter Socket Adapter earlier this...
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SunPower now selling Tesla Powerwall 3 via loans or leases
SunPower is now offering the Tesla Powerwall 3 within its solar and storage product portfolio. SunPower Financial also expanded its suite of solar financing options to include loan and lease financing...
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