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#003 ·26 JUN 2026 ·FRIDAY ·5 MIN READ ·10 STORIES + 12 EXTRAS

The sodium clock starts ticking

Sodium-ion batteries went from perennial promise to commercial product this week when CATL unveiled the first field-validated grid storage system and integrators projected LFP cost parity within three years. Meanwhile, storage deals measured in GWh — not MW — became the norm from Munich to Melbourne. The bottom line: the energy storage industry crossed from technology demonstration into industrial procurement at a pace that is now setting its own supply-chain deadlines.

01 / The Ten

The week, ranked

10

CATL launches the first field-validated sodium-ion grid storage system

At Intersolar Munich, CATL debuted the TENER sodium-ion battery storage system — modular, exceeding 30 MWh per unit, and already validated in real-world conditions. China deliveries begin September 2026; international shipments follow in mid-2027.

Why it mattersSodium-ion has been perpetually two years away from commercial relevance; a ship date from the world largest battery maker changes the calculus for every utility evaluating lithium-supply risk.
01 prnewswire.com↗

Sodium-ion projected to reach LFP cost parity within two to three years

A battery integrator forecast that sodium-ion will match lithium iron phosphate on levelised cost of storage within two to three years, driven by accelerating Chinese manufacturing scale-up at CATL, BYD, and HiNa.

Why it mattersIf the cost floor under grid storage drops from LFP to a chemistry with no lithium at all, the constraint on global storage deployment shifts from materials to manufacturing speed.
02 energy-storage.news↗

NatPower and Tesla sign 25 GWh Megapack deal, targeting 100 GWh total

NatPower agreed to deploy 25 GWh of Tesla Megapack storage across Italy and the UK as the first phase of a program that could exceed 100 GWh. Estimated construction cost: $4-5 billion.

Why it mattersA single commercial counterparty committing at this scale is a demand anchor for Tesla Nevada gigafactory and a signal that European grid storage procurement has moved from megawatt to gigawatt-hour scale.
03 reuters.com↗

SunZia, the largest clean energy transmission project in US history, goes live

Pattern Energy and Hitachi Energy confirmed the $11 billion SunZia HVDC line is operational, carrying up to 3 GW from a 3.65 GW New Mexico wind farm across 550 miles to Southwest customers.

Why it mattersTransmission is the bottleneck preventing cheap interior renewables from reaching coastal demand; SunZia proves the financing model works at continental scale.
04 electrek.co↗

US solar electricity surpasses coal for the first time

National generation data confirm solar has outproduced coal on an annualized basis across the US grid, driven by accelerating capacity additions and coal retirements.

Why it mattersThe crossover is structural, not cyclical — once installed solar capacity exceeds a retiring coal fleet, the gap only widens, making this a one-way threshold.
05 cleantechnica.com↗

Australia awards 4.2 GW and 16.1 GWh in a single storage tender

Australia Capacity Investment Scheme Tender 8 awarded 4.2 GW of generation capacity and 16.1 GWh of storage across batteries, pumped hydro, and demand response.

Why it mattersAEMO parallel call for 35 GW of short-duration and 5 GW of long-duration storage by 2050 makes clear these are binding procurement signals that will shape global battery supply chains.
06 energy-storage.news↗

Ford starts making LFP cells in Michigan using CATL-licensed technology

Ford began assembling D-sample lithium iron phosphate cells at BlueOval Battery Park in Marshall, Michigan — the first domestic LFP cell production at the facility.

Why it mattersA US-manufactured LFP supply chain reduces the single-point-of-failure risk that has made automakers nervous about building cost forecasts around Chinese cell imports.
07 media.ford.com↗

Ore Energy signs 1 GWh iron-air deal for multi-day storage with a Dutch utility

Iron-air startup Ore Energy landed a 1 GWh deployment agreement for systems targeting 24 to 100-hour discharge durations.

Why it mattersMoving from funded pilot to utility procurement sets a reference timeline that every competing long-duration technology will now be measured against.
08 energy-storage.news↗

Tesla, Sunrun, and Renew Home offer 16 GW of aggregated home batteries to data centers

The three companies announced a virtual power plant partnership aggregating more than 16 GW of residential solar and battery capacity, offering it as firm, dispatchable power.

Why it mattersWhen millions of individual home batteries become a single dispatchable resource competing with peaker plants, the definition of grid-scale storage expands to include the garage.
09 electrek.co↗

Beta Technologies begins commercial electric aircraft trials across Hawaii

Beta Alia CX300 started a six-to-eight-week trial of inter-island cargo and passenger routes in partnership with Surf Air Mobility and Hawaiian Airlines.

Why it mattersHawaii is the stress test that matters: short routes, expensive fuel, island grids with high renewable penetration — proof here transfers to every similar geography worldwide.
10 flyingmag.com↗
02 / Also

Worth knowing

12
SNEC 2026: storage overtakes solar modules on the expo floor for the first time
Battery storage occupied more floor space than PV modules at the world largest solar exhibition, with more than 97 GWh in deals signed.
pv-magazine.com ↗
Chinese Academy solid-state electrolyte retains 84% capacity after 350 cycles
A new solid-state battery electrolyte sustained 84.15% capacity retention after 350 cycles at realistic energy densities.
carnewschina.com ↗
Europe storage capacity passes 102.7 GW, surpassing nuclear for the first time
A record 13.5 GW of electrochemical storage was installed across Europe in 2025, pushing total capacity past the nuclear fleet.
pv-magazine.com ↗
Oxford PV and Fraunhofer ISE produce perovskite-silicon shingle modules at 25.6% efficiency
A low-temperature, copper-free bonding process yielded a 546 W bifacial module at 25.6% full-area efficiency.
ise.fraunhofer.de ↗
California commissions its first 8-hour lithium-ion battery system
REV Renewables and LS Power brought online an 8-hour duration BESS co-located with a Mojave Desert solar array.
energy-storage.news ↗
Europe and North Africa agree on first undersea power cable link
Morocco, Spain, and the European Commission signed an agreement for a 2 GW HVDC undersea cable targeting 2031.
electrek.co ↗
Tesla Giga Berlin to scale 4680 cell production from 8 GWh to 18 GWh in 2027
The expansion would double the factory cell output and add roughly 1,500 jobs.
electrek.co ↗
ITRPV confirms 706 GW of solar modules shipped globally in 2025
The annual record was accompanied by continued cost reductions and a consolidation toward TOPCon as the dominant cell architecture.
pv-magazine.com ↗
EU funding ban on Chinese inverters forces BESS supply-chain redesign
An EU ruling barring Chinese inverters from funded projects is disrupting storage pipelines already in development.
energy-storage.news ↗
US energy storage to quadruple by 2031, Wood Mackenzie forecasts
Surging data center demand, grid reliability requirements, and continued battery cost declines underpin the projection.
energy-storage.news ↗
Sora Aviation completes VTOL tests for a 30-seat electric aircraft
The British startup S-1 would be four to six times the capacity of current eVTOL air taxis, with a full-scale prototype targeted for 2028.
eplane.ai ↗
Vertical Aerospace completes first piloted flight of its Valo eVTOL
The crewed flight transitions Valo from uncrewed testing to the manned envelope expansion regulators require before type certification.
newatlas.com ↗
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#008The Buildout Gets a Billion and a Record#007New chemistries, old frictions#006Solid-State Clears QA, Sodium Breaks Ground#005Chemistry class#004American LFP, European mandates, and the tax credit cliff#003The sodium clock starts ticking#002The Chemistry Turns#001The Month Solar Passed Coal
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