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/daily ·14 OCT 2026 ·WEDNESDAY ·2 MIN READ ·7 STORIES

Cells and Gigafactories

October 14 brings a certified perovskite efficiency record, three gigafactory milestones across two continents, and a $1.2 billion solar pivot by one of Europe's largest energy companies.

01 / The Day

WEDNESDAY 14 OCT 2026, ranked

07

Inverted perovskite cell hits certified 27.31% steady-state

Chinese researchers achieved 27.50% champion efficiency and 27.31% independently certified steady-state efficiency on an inverted perovskite cell using a three-carbazole high-entropy molecular blend at the hole-selective interface, published in Nature Photonics.

  • Three carbazole molecules blended 1:1:1 suppress interface recombination losses
  • Independently certified 27.31% steady-state; champion PCE 27.50% under reverse scan
  • Inverted (p-i-n) architecture directly compatible with silicon tandem cell stacks
Why it mattersPushing inverted single-junction efficiency above 27% tightens headroom for commercial silicon-perovskite tandems, forcing competitors to accelerate.

ACC France crosses 5 million battery cells at Douvrin gigafactory

Automotive Cells Company's Billy-Berclau Douvrin plant—Europe's first large-scale lithium-ion gigafactory—has produced its five-millionth cell, with those cells powering around 40,000 EVs on the road. A second production block is planned for 2027.

  • 5 million cells produced; plant is Europe's first full-scale Li-ion gigafactory
  • Cells power approximately 40,000 electric vehicles already on the road
  • Second production block scheduled for 2027 to further expand capacity
Why it mattersEuropean cell manufacturing hitting volumetric milestones matters for supply-chain resilience as tariffs reshape global battery trade routes.

Gotion Morocco's 20 GWh LFP gigafactory starts equipment commissioning

Gotion Power's Kenitra gigafactory—built in roughly 13 months—will begin commissioning battery-production equipment during the week of October 20. Phase one is designed for 20 GWh of annual LFP output, with a long-term expansion plan to 100 GWh.

  • 20 GWh phase-one LFP capacity targeting EV and stationary storage markets
  • Buildings and infrastructure completed in approximately 13 months from September 2025
  • Adjacent VW/PowerCo JV targets 100,000 tonnes of cathode material per year
Why it mattersA 20 GWh LFP plant in North Africa diversifies battery manufacturing geography and offers European and Middle Eastern buyers a non-Asian cell source.

BYD Szeged plant set for mass production in Q4 2026

BYD executive VP Stella Li confirmed on October 12 that the company's Szeged, Hungary passenger-car factory is in final preparation for mass production this quarter, with the European workforce targeted to exceed 40,000 by 2030.

  • Szeged is BYD's first European car factory; mass production confirmed for Q4 2026
  • Two additional European plant locations under evaluation; France and Spain shortlisted
  • European workforce target: over 40,000 employees by 2030
Why it mattersWhen Szeged ramps, BYD shifts from European market entrant to local manufacturer, applying direct margin and logistics pressure on legacy OEMs.

TotalEnergies pays $1.2B for 700 MW of US solar after wind exit

In a joint venture with KKR, TotalEnergies is acquiring three utility-scale solar farms in Texas and Ohio adding 700 MW to a 1.4 GW US portfolio, funded in part by the over $1 billion it received from the Trump administration to exit offshore wind leases.

  • Three utility-scale farms in Texas and Ohio add 700 MW to a 1.4 GW US portfolio
  • Acquisition valued at $1.2 billion through the TotalEnergies-KKR joint venture
  • Farms expected to reach commercial operation in Q1 2027
Why it mattersTotalEnergies recycling offshore-wind buyout proceeds into utility solar shows how major IOCs are reconfiguring US clean-energy exposure rather than exiting it.

US solar module capacity is double demand—or is it?

At its October 6 Solar Analyst Day, TOYO declared US operational module capacity roughly double projected domestic demand of 43 GW annually and ruled out further expansion. Analysts counter that the flat-demand assumption ignores AI and data-center-driven solar load growth.

  • TOYO estimates US nameplate module capacity at approximately 2x domestic demand (43 GW/year)
  • Cell supply chain moved Vietnam to Ethiopia to US under Abalance/VSUN strategy
  • Counter: AI data-center load growth could lift the 43 GW demand ceiling post-2028
Why it mattersWhether US module capacity is genuinely surplus determines billions in future domestic manufacturing investment and policy assumptions.

Clearway Energy expands Utah battery storage project to 2,120 MWh

Clearway Energy has increased capacity at its Utah 'Energy Centre' battery storage project to 2,120 MWh, making it one of the larger single-site grid storage deployments in the American West.

  • Utah Energy Centre BESS scaled up to 2,120 MWh total capacity
  • Clearway is one of the largest independent renewable and storage operators in the US
  • Adds to western US grid storage as BESS project economics hold through expansions
Why it mattersMulti-gigawatt-hour western BESS capacity expansions are the physical infrastructure behind grid decarbonization and a proxy for project economics.
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