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/daily ·31 OCT 2026 ·SATURDAY ·3 MIN READ ·8 STORIES

October 31, 2026

eVTOL took flight over Tampa Bay under federal sanction, Samsung's battery revenues surged 53%, and US solar cell manufacturing notched a second gigafactory announcement in one week — the energy economy's scaffold keeps rising.

01 / The Day

SATURDAY 31 OCT 2026, ranked

08

Joby and BETA fly first FAA-sanctioned multi-aircraft eVTOL route

Joby Aviation and BETA Technologies flew their electric aircraft across Tampa Bay on October 30 under the FAA and US DOT eVTOL Integration Pilot Program — Joby's S4 from St. Petersburg to Tampa International, BETA's Alia CX300 alongside — generating the airspace integration data regulators need before commercial certification.

  • Joby S4 and BETA Alia CX300 flew simultaneously under active FAA, NASA, and local ATC oversight
  • Route retraces the 1914 St. Pete--Tampa service, the world's first commercial airline flight
  • Florida Aerial Highway Network Phase 1 mapping continues through Tampa, Orlando, and Kennedy Space Center this week
Why it mattersThe first federally-sanctioned multi-aircraft eVTOL city-pair operation in the US generates real-world airspace data regulators need before commercial certification can proceed.

Samsung SDI books 60 GWh of ESS orders in 2026, revenue up 53%

Samsung SDI disclosed 60 GWh of energy storage system battery orders in 2026 year-to-date alongside a roughly 53% year-on-year Q3 revenue surge and a return to profitability, making it the third of the big three battery manufacturers to report record grid-storage demand this quarter after CATL and LG Energy Solution.

  • 60 GWh ESS orders YTD 2026 -- order-book scale now comparable to grid-storage market leaders
  • Q3 revenue up ~52.6% YoY; Samsung SDI returned to profitability
  • Third major battery maker to report record grid-storage demand in Q3 2026, after CATL and LG
Why it mattersThree of the world's four largest battery manufacturers reporting simultaneous record grid-storage quarters confirms that demand has structurally repriced the sector.

POSCO Future M commits 720,000 t of battery materials to LG through 2033

POSCO Future M signed a seven-year supply agreement with LG Energy Solution covering 720,000 metric tons of cathode and anode materials spanning LFP, high-nickel NCM, silicon anodes, and sodium-ion -- one of the largest battery materials deals on record.

  • 720,000 t of materials committed from 2027 to 2033 across LFP, high-nickel, silicon, and sodium-ion
  • Deal hedges LG Energy Solution across all competitive battery chemistries simultaneously
  • Announced the same week LG confirmed the $4.3B Tesla Megapack 3 LFP cell supply deal in Michigan
Why it mattersLocking in 720,000 t of multi-chemistry materials in one agreement insulates LG Energy Solution's cost curve from spot-market volatility across the full battery technology transition.

EIA: 16% of new US utility solar in 2026 ships with storage co-located

The US EIA published Form 860M data showing over 16% of new utility-scale solar capacity added in 2026 is paired with co-located battery storage at installation -- up from 2% in 2017 -- with interconnection queue data showing that ratio will exceed 30% for 2027-2028 projects.

  • 16% co-location rate in 2026, up from 2% in 2017 -- a nine-fold increase in nine years
  • 2027-2028 interconnection queue exceeds 30% paired rate, suggesting the default is shifting
  • Four-hour BESS attached at generation manages wholesale price cannibalization during peak solar hours
Why it mattersWhen nearly a third of queued solar capacity is pre-bundled with storage, solar-plus-storage has crossed from niche to standard design -- a durable structural shift in how generation gets built.

T1 Energy locks in 4 GW of 2027 TOPCon offtake as Rockdale cell fab nears

US solar manufacturer T1 Energy signed new offtake contracts totaling 1.58 GW of TOPCon modules, pushing its total 2027 contracted volume above 4 GW -- all to be assembled at its Dallas facility from domestic cells produced at its Rockdale, Texas G2_Austin fab, targeted for Phase 1 start in Q1 2027.

  • New 1.58 GW offtakes with Avantus; total 2027 contracted volume now above 4 GW
  • Rockdale cells qualify buyers for >60% domestic content IRA bonus credits from Q1 2027
  • TOPCon cells deliver higher efficiency than PERC at comparable manufacturing cost per watt
Why it mattersT1 Energy is the live test of whether IRA domestic-content incentives can pull solar cell manufacturing back to the US; 4 GW contracted before the factory opens suggests buyers believe they can.

SEG Solar plans a $950M, 4 GW heterojunction cell fab near Houston

SEG Solar secured land near Houston for a $950 million heterojunction solar cell manufacturing facility targeting 4 GW of annual capacity in two 2 GW phases from 2028 -- the second US solar cell fab announcement this week after T1 Energy's Rockdale TOPCon plant.

  • $950M, 4 GW HJT facility near Houston; Phase 1 and 2 each at 2 GW, starting 2028
  • HJT achieves higher efficiency than PERC without silver-paste contacts -- different process from TOPCon
  • Second US solar cell fab announced in Texas in one week; IRA domestic-content race is intensifying
Why it mattersTwo competing next-generation cell fab announcements in Texas in the same week confirm the IRA domestic-content race has moved from planning to site selection, with HJT and TOPCon vying for the winning chemistry position.

First Solar cuts 2026 outlook as tariff uncertainty freezes buyer orders

First Solar reported Q3 2026 sales down 23% year-on-year and lowered its full-year guidance, attributing the shortfall to buyers pausing commitments while awaiting tariff clarity -- an ironic outcome for the largest US-headquartered solar manufacturer, whose domestically-made modules sit unsold while customers wait.

  • Q3 revenue down 23% YoY; 2026 full-year shipment and revenue guidance both cut
  • CEO cited demand-side hesitation, not supply constraints -- First Solar's US fabs are unaffected by tariffs
  • Industrial policy uncertainty is suppressing orders for domestic manufacturers as much as for importers
Why it mattersFirst Solar's tariff-induced demand freeze illustrates a specific failure mode of industrial policy uncertainty: capacity built with public incentives sitting idle because customers cannot price their projects.

EHang opens Southeast Asia hub with 25 EH216-S passenger eVTOL aircraft

EHang Holdings opened a regional eVTOL operational hub in Thailand deploying 25 EH216-S pilotless passenger aircraft, establishing cross-border maintenance infrastructure across Southeast Asia -- the first overseas regional deployment since the EH216-S received CAAC type certification.

  • 25 EH216-S at launch; hub covers Thailand with broader SE Asia expansion planned
  • EH216-S holds CAAC type certification and has logged thousands of commercial passenger flights in China
  • Positions EHang as the only eVTOL operator with a commercial multi-country footprint ahead of FAA certification
Why it mattersEHang converting a domestic Chinese certification win into a Southeast Asian commercial network is the eVTOL industry's first multi-country deployment case study -- one Western regulators will have to reckon with.
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