The Brief Brief Energy Tech
the build-out: batteries, renewables, electric flight.
Energy Tech — briefly, then briefly again · tbb.ceo
listen tothe daily 0:00 –:––
/daily ·26 SEPT 2026 ·SATURDAY ·2 MIN READ ·6 STORIES

Europe's battery superstores break ground; solar hits 3 cents

Two of Europe's largest battery storage projects broke ground on the same day, Dubai solar reached an all-time price low, and Australia set a record for clean-energy grid connections — all on a single Saturday.

01 / The Day

SATURDAY 26 SEPT 2026, ranked

06

Giga Storage breaks ground on 700 MW / 2.8 GWh Belgium battery project

Giga Storage began construction on 'Green Turtle' in Belgium — 700 MW / 2.8 GWh backed by 640 Tesla Megapack 3 units — claiming the title of largest battery storage project in Continental Europe, with Tesla as both EPC contractor and long-term service provider.

  • 640 Tesla Megapack 3 units; 4-hour duration; interfaces directly with Elia's 380 kV transmission network
  • €700 million total investment; completion timeline not yet confirmed
  • Two multi-gigawatt-hour European BESS projects broke ground on the same day — a structural signal
Why it mattersAt 2.8 GWh, Green Turtle is the largest standalone battery storage facility in Continental Europe by capacity — and it is one of two projects of this scale that started construction on the same Saturday.
01 ess-news.com↗

Greenvolt breaks ground on 600 MW / 2.4 GWh Poland BESS — BYD supplies

Greenvolt began construction on a 600 MW / 2.4 GWh battery facility in Siedlce, Poland, with BYD Energy Storage supplying 210 utility-scale battery containers in a 4-hour-duration configuration designed for the Polish transmission system.

  • BYD supplying 210 battery containers and 105 transformer containers for 4-hour duration
  • System interfaces with PSE's 400/110 kV transmission substation via newly built HV lines
  • BYD now supplying both grid-scale storage in Europe and competing in European consumer EV markets
Why it mattersBYD as a primary BESS supplier to Continental Europe's largest projects signals how vertically integrated Chinese energy companies have become across the entire clean-energy stack.
02 ess-news.com↗

Dubai solar power price hits $0.0299 per kWh — down 50% in 16 months

The price of utility solar power in Dubai reached $0.0299 per kilowatt-hour — a 50% fall in just 16 months, making it the cheapest large-scale electricity source ever contracted in a major market and below the running cost of gas peakers in most regions.

  • $0.0299/kWh is below the marginal operating cost of gas peaking plants in most markets, not just the build cost
  • 50% price decline in 16 months is faster than any prior solar cost reduction curve on record
  • Follows a succession of sub-$0.05/kWh bids across UAE, Saudi Arabia, and India over the prior two years
Why it mattersWhen the cheapest electricity in history comes from solar, every incremental grid investment — generation, transmission, storage — needs to price against a floor that keeps moving down.
03 electrek.co↗

Australia connected a record 9.1 GW of renewables and storage in FY26

Australia's Energy Market Operator connected 9.1 GW of new renewable generation and storage to the National Electricity Market during FY2026 — more than double the previous annual connection record — while flagging that legacy thermal retirements are outpacing firm capacity additions in some states.

  • 9.1 GW in a single financial year is more than double the prior NEM annual connection record
  • AEMO warning: fossil-fuel retirements are outpacing firm capacity additions in some states, creating reliability risk
  • Record connections driven primarily by distributed solar and utility battery storage, not wind
Why it mattersThe fastest clean-energy buildout ever recorded in a developed grid is creating a new reliability risk — under-investment in firm capacity — that now commands the same policy urgency as the buildout itself.
04 energy-storage.news↗

Section 232 tariffs set to spike US solar module prices by 40%

Supply-chain analyst Anza projected at least a 40% increase in US solar module prices following the Section 232 national security tariff on imported solar products, threatening utility-scale project economics and reversing years of cost declines.

  • Section 232 covers both crystalline silicon and thin-film modules with limited exemptions
  • A 40% price spike would push US utility solar LCOE back above 2024 levels in affected markets
  • Chinese-manufactured cells dominate even US-assembled modules, limiting domestic supply alternatives
Why it mattersThe US solar module price shock is a direct test of whether the IRA domestic manufacturing buildout is deep enough to absorb a supply-chain disruption — early data suggests it is not.
05 pv-magazine.com↗

Netherlands cuts its 2040 hydrogen demand forecast by nearly 60%

The Dutch government revised its 2040 hydrogen demand projection downward by nearly 60%, citing faster-than-expected direct electrification of industrial sectors and the economics of green hydrogen failing to compete with direct-use electricity across most use cases.

  • One of the largest single-country hydrogen forecast reductions in percentage terms ever recorded
  • Steel and chemical industries are electrifying faster than hydrogen penetration models assumed
  • The Netherlands had been among Europe's most vocal advocates for a continental hydrogen economy
Why it mattersWhen one of hydrogen's strongest European advocates cuts its forecast by 60%, it signals a structural repricing of hydrogen's role in decarbonisation — and a reallocation of investment toward batteries and direct electrification.
06 cleantechnica.com↗
Be subscriber #014 the weekly ten, every friday by email · no spam · unsubscribe anytime
Past days

The Daily Archive

/SAT 26 SEPTEurope's battery superstores break ground; solar hits 3 cents/THU 24 SEPTRecord storage quarter, 100 GW of US panels, and a fight for offshore wind/WED 23 SEPTCourts, Concrete, and Capacity: Clean Energy's September Sprint/TUE 22 SEPTMaking Things Real/MON 21 SEPTOklo splits atoms, courts push back on coal, and China's solid-state surge/SAT 19 SEPTFires, Fusion, and a Very Big Factory/FRI 18 SEPTThe Iran premium and the geothermal surge/THU 17 SEPTThe Cost Collapse Accelerates/WED 16 SEPTFCC Inverter Ban, America's Solar Milestone, and Sodium-Ion at Scale/TUE 15 SEPTThe battery era, still accelerating/MON 14 SEPTSolid-State Sunday/SUN 13 SEPTSolid State Sunday/FRI 11 SEPTTandem Record, Grid Alert/THU 10 SEPTScotland's GWh Day, Trump's Battery Order/WED 09 SEPTNuclear Returns, Battery Prices Rise/TUE 08 SEPTRecord Books/MON 07 SEPTSolid-state goes live, silicon anodes converge, Archer flies cities/SUN 06 SEPTGrid plumbing and chemistry/SAT 05 SEPTEnergy Tech/FRI 04 SEPTCharge Forward/THU 03 SEPTSodium-Ion Double-Down