【Week of May 18th, 2026】Market Roundup: Hydrogen, Perovskite and Technological Breakthroughs

A landmark week for clean energy: white hydrogen surfaces in billion-year-old Canadian rock, Tokyo City University breaks the perovskite-CIGS tandem efficiency ceiling, and India launches its first hydrogen bus route in the heart of Delhi. Signals from Japan and the world — nine inflection points shaping the energy transition.

Green Hydrogen　

Japan Yamanashi / Suntory Green Hydrogen Park Now Operational

Japan’s largest Power-to-Gas facility, the 16 MW Green Hydrogen Park Hakushu, entered commercial demonstration operation this week in Hokuto City, Yamanashi Prefecture, supplying renewable hydrogen through a dedicated two-kilometre pipeline to Suntory Holdings’ Minami Alps Hakushu Water Plant and Hakushu Distillery.^[FN1] Backed by NEDO’s Green Innovation Fund and developed by Yamanashi Prefecture alongside ten corporate partners — including Toray, TEPCO, Canadavia, Siemens Energy, and Miura — the ¥18.6 billion ($122 million) facility is capable of producing up to 2,200 tonnes of green hydrogen annually, enough to offset approximately 16,000 tonnes of CO₂ if operated continuously.^[FN2]

The hydrogen fuels newly developed low-NOx boilers that replace a portion of the sites’ fossil heat demand, proving that green hydrogen can directly serve industrial heating processes — steam sterilisation and whisky distillation — without modification of downstream equipment. The facility’s ambition is to demonstrate a full circular energy cycle by the end of 2026: renewable electricity → electrolysis → hydrogen storage → industrial combustion → CO₂ savings.^[FN3] If successful, Suntory plans to scale the model across the entire green hydrogen value chain from 2027, positioning the Yamanashi project as a replicable template for decarbonising food and beverage manufacturing worldwide.

JERA–Mitsui Blue Ammonia Supply Chain Advances with Billion-Dollar Loan

Japan’s ¥3 trillion ($19 billion) hydrogen and ammonia subsidy scheme continued to gain traction this week as JERA finalised a major investment loan supporting its participation in the Blue Point low-carbon ammonia project in Louisiana — a $4 billion joint venture with CF Industries and Mitsui that will produce 1.4 million tonnes of ammonia per year via autothermal reforming with carbon capture.^[FN4] Both JERA and Mitsui were certified by METI under Japan’s “Support Focusing on the Price Gap” contract-for-difference scheme in December 2025, marking the first major overseas project to secure subsidy support and signalling that Tokyo’s programme is finally moving from policy to procurement.^[FN5]

JERA intends to import roughly 492,000 tonnes per year of low-carbon ammonia beginning in early 2030 for co-firing at its Hekinan Thermal Power Station, while Mitsui’s 280,000 t/y tranche will serve Hokkaido Electric Power, Mitsubishi UBE Cement, and Tosoh. Time-charter contracts with NYK and MOL have been executed for dedicated ammonia carriers, completing the supply chain link from Louisiana to Japan.^[FN6] With the Green Innovation Fund timeline now entering its delivery phase, analysts are watching for additional awards covering Middle Eastern and Indian supply chains — particularly the ACME–IHI green hydrogen proposal from India.

Kawasaki Heavy Industries Commercializes 30%-Hydrogen Gas Engine

Kawasaki Heavy Industries (KHI) has opened the commercial order book for the world’s first large gas engine capable of running on a fuel blend containing up to 30% hydrogen by volume — the KG-series 8 MW distributed power unit — following an eleven-month operational trial at Kawasaki’s Kobe works that confirmed durability under real-world conditions.^[FN7] The dual-fuel architecture allows operators to run on hydrogen where bunkering is available and switch to natural gas on routes or grid zones that still lack hydrogen infrastructure — effectively future-proofing existing power plant and shipping assets rather than requiring wholesale replacement.

Development is backed by NEDO’s Green Innovation Fund, which is also supporting a two-stroke marine version now entering spring 2026 sea trials aboard large cargo vessels. The commercial significance is considerable: for the estimated 800–900 GW of gas-fired capacity currently installed globally, drop-in hydrogen co-firing offers a bridge to deep decarbonisation without stranded-asset risk, buying time for pure-hydrogen infrastructure to mature.^[FN8]

WashU Demonstrates Platinum-Free Catalyst for Green Hydrogen — 1,000+ Hour Durability

On May 18, researchers led by Professor Gang Wu at Washington University in St. Louis announced a platinum-free heterostructure catalyst for anion-exchange membrane water electrolysers (AEMWEs) that outperforms leading platinum-group-metal (PGM) benchmarks and sustained operation for more than 1,000 hours at industry-level current densities of 1–2 A/cm² — a durability milestone that brings platinum-free technology from proof-of-concept into the range of practical deployment.^[FN9] The catalyst combines rhenium phosphide and molybdenum phosphide: the rhenium component optimises hydrogen adsorption and desorption kinetics at the catalyst surface, while molybdenum accelerates water splitting in alkaline electrolyte — a pairing that delivers current densities of 1.0–3.0 A/cm² at cell voltages of 1.73–1.95 V, matching a PtRu/C and IrOx benchmark.^[FN10]

Green hydrogen production has long been held back by the cost of PGMs: platinum group metals currently represent 30–50% of electrolyser stack cost. A durable, high-performing PGM-free cathode removes that bottleneck and could unlock cost parity with fossil-derived hydrogen at renewable electricity prices below $30/MWh — a threshold now routinely met in the US Southwest, Chile, and the Middle East.

White Hydrogen Found in Billion-Year-Old Canadian Shield Rocks

A study published in the Proceedings of the National Academy of Sciences on May 18 by geochemists at the University of Toronto and the University of Ottawa provided the first direct, long-term measurement of naturally occurring — or “white” — hydrogen steadily building up and discharging from billion-year-old rocks in the Canadian Shield near Timmins, Ontario.^[FN11] Using a decade of underground monitoring data from an operating mine, the team mapped hydrogen concentrations, tracked accumulation dynamics, and estimated that the site’s 15,000 boreholes could naturally discharge over 140 tonnes of hydrogen annually, representing roughly 4.7 million kilowatt-hours of energy per year at a single location.^[FN12]

“There are critical untapped opportunities to access a domestic source of cost-effective energy produced from the rocks beneath our feet.” — Prof. Barbara Sherwood Lollar, University of Toronto

The findings introduce a replicable exploration methodology: rock types and geochemical signatures associated with white hydrogen generation are mappable globally, and the same Canadian Shield formations extend into Minnesota, Michigan, and New York. Similar geological conditions exist in South Africa, Scandinavia, West Africa, and Australia — regions already known to host substantial hydrogen seeps. If white hydrogen can be commercially extracted before microbial communities in the subsurface consume it, it would represent a zero-carbon, zero-electrolysis energy source with potential cost structures far below conventional green hydrogen.

India Launches Hydrogen Bus Service in Delhi’s Central Vista

On May 15, the Delhi Metro Rail Corporation (DMRC), in collaboration with the Ministry of Housing & Urban Affairs, the Ministry of Petroleum & Natural Gas, and Indian Oil Corporation Limited (IOCL), launched India’s first integrated hydrogen-powered shuttle bus service in the Central Vista administrative district of New Delhi, connecting Central Secretariat and Seva Teerth Metro stations with key government offices including Kartavya Bhawan, Vigyan Bhawan, and India Gate.^[FN13] Two hydrogen fuel cell buses — each carrying 35 passengers, equipped with GPS tracking and CCTV, and operated on working weekdays — were supplied by IOCL, which is also providing hydrogen fuel from its green hydrogen plant in Panipat, Haryana.^[FN14]

The launch positions Delhi as a benchmark city for hydrogen public transport in India and reflects the government’s National Green Hydrogen Mission, which aims to produce 5 million tonnes of green hydrogen annually by 2030. DMRC manages operations, ticketing, and passenger services; IOCL provides drivers and fuel logistics — a public-private model that officials believe can be replicated across India’s major metropolitan areas as domestic electrolyser capacity scales.^[FN15]

Spain Allocates €440 Million for Green Hydrogen in Second National Auction

Spain’s government allocated €439.4 million this month to three renewable hydrogen production projects in Andalusia and Castilla-La Mancha under its national Auction-as-a-Service (AaaS) programme, which channels EU Innovation Fund capital combined with voluntary national contributions through the European Hydrogen Bank’s auction mechanism.^[FN24] The three awarded projects — EP2X, eM-Numancia, and Orange.bat — together represent 485 MW of electrolyser capacity and are expected to produce approximately 585,860 tonnes of renewable hydrogen over a ten-year supported period, each receiving a subsidy of up to €0.69/kg for a decade to close the cost gap with fossil hydrogen.

The awards arrive as Moeve (formerly Cepsa) prepares to break ground on the Andalusian Green Hydrogen Valley — a €3 billion, 2 GW facility in Huelva and Cádiz that will produce up to 300,000 tonnes of green hydrogen annually, the largest such project in Southern Europe. Final award decisions under the current AaaS round must be published before August 31, 2026, and further international supply chain announcements are expected.^[FN25] Spain is now the most active EU member state in translating the European Hydrogen Bank framework into signed contracts, leveraging its 300+ days of sunshine and 12 GW electrolyser target by 2030.

UK Aviation Hydrogen Alliance Expands; Intelligent Energy Joins Airbus, Rolls-Royce

Intelligent Energy, a leading hydrogen fuel cell developer, joined the UK aviation hydrogen alliance on May 19, becoming a partner alongside Airbus, Bristol Airport, easyJet, GKN Aerospace, and Rolls-Royce in a coordinated push to accelerate commercial hydrogen flight.^[FN26] The alliance’s focus is on developing the full hydrogen aviation stack — from airport fuelling infrastructure and fuel cell propulsion systems to sustainable aviation fuel pathways and regulatory frameworks — with the goal of demonstrating hydrogen-powered regional aircraft before the end of the decade.

Hydrogen aviation remains technically challenging: liquid hydrogen’s energy density is three times that of jet fuel by mass but requires cryogenic storage at −253°C, adding weight and complexity that currently limits viable applications to regional turboprops and narrowbodies below 100 seats. However, the alliance’s breadth — encompassing an airport operator, two engine manufacturers, an airline, an airframe maker, and a fuel cell specialist — means that for the first time the entire value chain from production to gate is being coordinated under a single strategic framework, dramatically shortening the technology validation timeline.^[FN27]

Perovskite Solar Cells Efficiency Records, Military Pilots & Industry Alliances

Tokyo City University Sets World Record for Perovskite-CIGS Tandem

On May 18, researchers from Tokyo City University announced a certified world-record power conversion efficiency of 25.14% for a two-terminal perovskite–CIGS (copper indium gallium selenide) tandem solar cell — the first perovskite-CIGS device to surpass the 25% barrier, verified by Japan’s National Institute of Advanced Industrial Science and Technology (AIST).^[FN16] The previous record of 24.6% had been held by Germany’s Helmholtz-Zentrum Berlin (HZB) since February 2025, and despite extensive global research efforts, the 25% threshold had remained unbroken until now.

The tandem device uses a CIGS bottom cell developed internally by AIST combined with a top perovskite cell featuring an improved light-absorbing layer on a 1 cm² active area. The perovskite-CIGS architecture is particularly attractive because CIGS cells are themselves thin-film, enabling fully flexible, lightweight modules suited to building-integrated PV (BIPV), curved surfaces, and aerospace applications — a strategic alignment with Japan’s domestic push for flexible perovskite in locations where silicon panels cannot be mounted.^[FN17]

Self-Defense Forces to Host Perovskite Pilot; Five Companies Form JPSC Alliance

Japan’s government announced plans this week to launch a government-led pilot project deploying flexible perovskite solar cells at Self-Defense Forces (SDF) facilities as early as this summer, with initial installations at Okinawa Prefecture bases and nationwide expansion to SDF facilities targeted from 2027 if performance is validated.^[FN18] The rationale is twofold: SDF bases offer extensive rooftop and wall surfaces inaccessible to rigid silicon panels, and early large-scale public procurement is intended to anchor domestic demand and accelerate the commercialization curve for Japanese manufacturers.

Separately, five major Japanese corporations announced on May 23 the establishment of the Japan Association for the Promotion of Perovskite Solar Cells (JPSC), a new industry body designed to coordinate R&D strategy, standardisation, and market development as the perovskite sector moves from laboratory to production.^[FN19] The formation of JPSC, combined with the SDF pilot and NEDO’s supplementary call for perovskite manufacturing proposals (deadline June 3), signals an unprecedented alignment between government and industry to establish Japanese leadership in the global perovskite market before Chinese and Korean manufacturers lock in dominant positions.

NEDO Reopens Perovskite Manufacturing Call; 20 GW by 2040 Target Reaffirmed

Japan’s New Energy and Industrial Technology Development Organization (NEDO) issued a supplementary call for proposals this month under the Green Innovation Fund, focused specifically on scaling up mass production of single-junction perovskite solar cells — lightweight, flexible devices targeting performance parity with conventional silicon in conversion efficiency and durability by the end of a five-year program running fiscal 2026 through 2030.^[FN20] The call runs alongside NEDO’s October 2025 round for tandem cells and new design and installation guidelines published in March 2026, and reflects Japan’s Environment Ministry subsidy program (covering up to 75% of purchase and installation costs for businesses and municipalities) that has been accepting applications since September 2025.^[FN21]

Japan currently supplies roughly 30% of the world’s iodine — the primary raw material for perovskite cells — giving Japanese manufacturers a structural cost and supply-chain advantage that no other nation can easily replicate. Prime Minister Takaichi’s explicit designation of perovskite alongside nuclear as central pillars of energy security has translated into the largest single-technology industrial push Japan has undertaken since the DRAM era.

Chinese Team Achieves 27.17% World Record for Inverted Perovskite Cell — Published in Nature

Researchers from Nankai University and the Beijing Institute of Technology published findings in Nature on May 11, reporting a certified world-record power conversion efficiency of 27.17% for an inverted (p-i-n) architecture perovskite solar cell — surpassing all prior records for this device geometry, which is favoured for tandem integration and stability.^[FN22] The new design uses a continuously graded-doped tin oxide (SnO₂) layer that reduces band misalignment and suppresses electron accumulation at the contact interface, significantly cutting recombination losses and enabling the high efficiency to hold across both small-area devices and scalable modules.

The significance extends beyond the efficiency number: inverted cells are the preferred architecture for the bottom cell in all-perovskite tandem devices, because their p-i-n polarity is compatible with the top cell’s n-i-p layout. A record-breaking inverted single-junction cell therefore directly accelerates all-perovskite tandems toward the 30%+ efficiency range, where the technology’s economics begin to decisively outperform silicon on a cost-per-watt basis.^[FN23]

Breakthrough TechnologiesThree Forces Reshaping the Energy Transition

Japan Energy Summit Opens in Tokyo — AI, Ammonia, and Offshore Wind Converge

The Japan Energy Summit & Exhibition 2026 opened at Tokyo Big Sight on May 26, bringing together global energy leaders, policymakers, innovators, and financiers across natural gas & LNG, hydrogen & ammonia, low-carbon solutions, renewable energy, nuclear, and AI-driven digitalisation technologies.^[FN28] Among the week’s most closely watched announcements was a joint partnership between a South Korean and a Japanese firm on future hydrogen projects — one of several bilateral deals signed in the margins of the summit as Asia’s hydrogen supply chain architecture begins to crystallise around the Japan–Korea–Australia triangle.

The summit’s Energy Innovators Challenge — a peer-reviewed competition for start-ups with under $15 million raised — highlighted Japan’s growing appetite for deep-tech decarbonisation solutions in hydrogen co-firing, ammonia synthesis, carbon capture utilisation, and small modular reactors. The co-occurrence of the summit with the Japan Energy Exhibition (also at Tokyo Big Sight, May 26–28) created one of the largest single-week clean energy deal-making events in Asia in 2026.^[FN29]

Kawasaki Heavy Industries Advances World’s Largest Liquefied Hydrogen Carrier

Construction is advancing on the world’s largest liquefied hydrogen (LH2) carrier, contracted by Kawasaki Heavy Industries (KHI) and Japan Suiso Energy (JSE) and being built at KHI’s Sakaide Works in Kagawa Prefecture.^[FN30] At 40,000 m³ capacity — more than thirty times the size of the Suiso Frontier, the world’s first LH2 carrier that KHI built in 2019 — the new vessel will be supported by Japan’s $2 billion Green Innovation Fund project managed through NEDO, designed to demonstrate the entire liquefied hydrogen supply chain from production in Australia to delivery in Japan.

Liquefied hydrogen transport requires maintaining cargo at −253°C (just 20°C above absolute zero), presenting insulation and boil-off management challenges that the Suiso Frontier‘s demonstration voyage addressed at small scale. The commercial-scale vessel is expected to begin import operations in the early 2030s, providing Japan with a domestic supply chain for hydrogen produced from renewables in Australia — a cornerstone of Japan’s strategy to compensate for its limited domestic renewable land area with offshore sourcing.^[FN31]

Japan’s Battery Leaders Pivot from EVs to AI Data Centre Demand

Japan’s major battery manufacturers — including Panasonic Energy, Murata Manufacturing, and TDK — are reorienting growth strategies toward stationary energy storage for AI data centres, following a plateau in electric vehicle battery demand growth that has squeezed margins across the sector.^[FN32] The pivot reflects a structural shift: hyperscale AI infrastructure requires 24/7 uninterruptible power, and the combination of grid interconnection constraints and the push for carbon-free electricity is driving data centre operators to co-locate with battery storage systems capable of bridging renewable intermittency gaps.

Japan’s position in this transition is reinforced by its strength in solid-state battery R&D, with Toyota and Panasonic’s Prime Planet and Energy & Solutions (PPES) joint venture targeting solid-state cells for stationary storage applications where cycle life — rather than energy density — is the critical variable. Industry analysts estimate that AI data centre battery storage could represent a market of over $12 billion annually in Japan by 2030, potentially surpassing the domestic EV battery market within this decade.^[FN33]

Fusion: Madison in the Running for Next-Generation Research Facility

The Fusion Industry Association confirmed this week that Madison, Wisconsin, is among the leading candidate sites for a next-generation fusion energy research facility — part of a broader acceleration in public and private fusion investment that has seen fusion’s share of energy venture capital rise to nearly one-third of total energy VC in 2026, up from under 5% in 2015–2019.^[FN34] The Madison candidacy reflects the University of Wisconsin’s long fusion research heritage and the proximity of Realta Fusion, a UW spinout developing a compact high-field mirror-based reactor concept that has attracted significant private capital.

On the technical frontier, the mastery of high-temperature superconducting (HTS) magnets — which allow compact tokamaks to reach plasma conditions previously achievable only in massive machines like ITER — continues to compress the timeline for private fusion ventures. Commonwealth Fusion Systems’ SPARC device, now under construction in Massachusetts, remains on schedule for first plasma in 2027, while Helion Energy’s POLARIS device is targeting commercial power delivery to Microsoft by 2028.^[FN35] The race is no longer between experimental science programmes; it is between competing industrial architectures.

Fervo Energy’s Cape Station EGS Project Approaches June Commercial Launch

Fervo Energy’s Cape Station enhanced geothermal systems (EGS) project in Beaver County, Utah, is on schedule for a June 2026 commercial launch — becoming the United States’ first large-scale commercial EGS power generator, with an initial net capacity of 28 MW (summer rating) scaling toward a planned first phase of 100 MW and a full build-out of up to 2 GW.^[FN36] Stanford University research published earlier this year estimates that EGS deployed to depths of 5 km across the contiguous US could yield more than 5 terawatts of power — roughly four times total current US generating capacity — with nearly 90% of the country accessible at under $80/MWh.

Fervo is simultaneously preparing an IPO targeting up to $1.33 billion at a valuation of as much as $6.5 billion, driven by signed power purchase agreements with AI data centre operators seeking 24/7 carbon-free electricity — a demand profile that geothermal, unlike solar and wind, can serve without storage.^[FN37] The IEA’s Energy Technology Perspectives 2026 projects that geothermal could supply up to 15% of global electricity demand growth from 2024 to 2050, with 800 GW of deployable capacity identified. Cape Station’s successful launch would represent the most consequential proof-of-concept in the technology’s commercial history.

IEA State of Energy Innovation 2026: 150+ Breakthroughs, Fusion and Grid Resilience in Focus

The IEA’s State of Energy Innovation 2026, published on March 31 and receiving sustained attention through this week’s Japan Energy Summit, identified more than 150 significant energy innovation highlights in 2025 — spanning solid-state air conditioning, perovskite solar, fusion energy, sodium-ion batteries, and next-generation geothermal — with 50 upgrades in technology readiness levels across the IEA’s tracked portfolio of emerging technologies.^[FN38] The report also documented more than 80 new energy innovation policies and over 60 new initiatives under existing policies across 32 countries, signalling that the policy architecture for the energy transition is becoming progressively more granular and technology-specific.

Two themes dominate the report’s in-depth chapters: electricity grid resilience technologies — including advanced power electronics, dynamic line rating, and grid-forming inverters — and fusion energy, which has moved from scientific experiment to engineering competition within a single decade. The report notes that private energy start-ups raised their first funding in over 320 new entities in 2025 alone, but cautions that innovation momentum depends critically on predictable policy frameworks at a time when subsidy reversals in several major economies have introduced uncertainty.^[FN39]

References & Footnotes

1. Renewables Now. “Japan Launches 16-MW Green Hydrogen Demo at Beverage Sites.” May 18, 2026.
2. The Manufacturer. “Yamanashi Prefecture Launches One of Japan’s Largest Green Hydrogen Projects to Decarbonise Suntory Facilities.” October 2025. / Chem Industry Digest. “Japan’s Largest Green Hydrogen Facility Begins Operations.” October 2025.
3. H2 View. “Green Hydrogen Trial Starts at Japan Water Plant.” October 2025.
4. Ammonia Energy. “JERA Finalises Billion-Dollar Loan for Blue Point Project.” March 11, 2026.
5. Energy Intelligence. “Japan’s Hydrogen Push Starts to Gain Momentum.” January 15, 2026. / JERA Press Release. “JERA Certified as Low-Carbon Hydrogen and Derivatives Supplier.” December 19, 2025.
6. S&P Global Commodity Insights. “Japan Certifies JERA & Mitsui-Led Ammonia Projects Under ¥3 Trillion Price-Gap Subsidy.” December 19, 2025.
7. ECOticias. “Japan Launches First Commercial Engine Burning 30% Hydrogen Blend.” April 23, 2026.
8. Ibid. Kawasaki Heavy Industries press materials on KG-series dual-fuel engine and NEDO Green Innovation Fund support for marine engine programme.
9. Wu, G. et al. “Heterostructure ReP₂–MoP Catalyst for Anion-Exchange Membrane Water Electrolysis.” Journal of the American Chemical Society (April 7, 2026). Via ScienceDaily, May 18, 2026.
10. TechTimes. “WashU’s Phosphide Catalyst Matches Platinum Performance Over 1,000 Hours, Opening a Path to Cheaper Green Hydrogen.” May 18, 2026.
11. Sherwood Lollar, B. & Warr, O. “Decadal Record of Continental H₂ Reservoirs Reveals Potential for Subsurface Microbial Life and Natural H₂ Exploration.” Proceedings of the National Academy of Sciences 123(21), May 18, 2026. DOI: 10.1073/pnas.2603895123.
12. Interesting Engineering. “Geochemists Find Natural White Hydrogen Source in Billion-Year-Old Canadian Shield.” May 2026. / University of Toronto Faculty of Arts & Science. “White Hydrogen Discovery in Canadian Shield.” May 21, 2026.
13. DMRC / PSU Connect. “Delhi Launches Hydrogen Bus Service at Central Vista by DMRC and Indian Oil.” May 15, 2026.
14. Mobility Plaza. “IndianOil Launches Hydrogen Bus Service in Central Delhi.” May 2026.
15. Zee Business. “DMRC to Launch Hydrogen-Powered Shuttle Bus Service in Central Vista.” May 14, 2026.
16. PV Magazine. “Japanese Scientists Achieve World Record 25.14% Efficiency for Perovskite-CIGS Tandem Solar Cell.” May 18, 2026.
17. Ibid. See also: NEDO design and construction guidelines for flexible solar cell installations, March 2026.
18. Perovskite-Info / Nikkei Asia. “Japan to Test Perovskite Solar Cells at Self-Defense Forces Bases.” May 20–21, 2026.
19. DigiTimes. “Japan’s Five Major Companies Form PSC Battery Alliance to Lead Next-Gen Solar Market.” May 23, 2026.
20. PV Magazine. “Japan Reopens NEDO Perovskite Solar Call with Single-Junction Focus.” May 4, 2026.
21. Star Advertiser. “Japan to Subsidize Next-Gen Solar Cells.” October 16, 2025. (Ministry of Environment subsidy programme.)
22. PV Magazine. “Chinese Researchers Achieve World-Record Efficiency of 27.17% for Inverted Perovskite Solar Cell.” May 11, 2026.
23. Ibid. See also: CGTN. “China’s Perovskite Solar Cell Hits 27.98% Efficiency, Setting New World Record.” April 3, 2026.
24. Fuel Cells Works. “Spain Awards €439.4M for Green Hydrogen Projects Under National AaaS Scheme.” May 14, 2026.
25. Moeve Global. “Andalusian Green Hydrogen Valley.” (FID approved February 2026.)
26. Global Hydrogen Review.
27. Ibid.“Intelligent Energy Joins UK Aviation Alliance.” May 19, 2026. Alliance partners: Intelligent Energy, Airbus, Bristol Airport, easyJet, GKN Aerospace, Rolls-Royce.
28. Japan Energy Summit & Exhibition 2026. Tokyo Big Sight, May 26–28, 2026.
29. Gasworld. “South Korean and Japanese Firms Partner on Future Hydrogen Projects.” May 28, 2026.
30. Riviera Maritime Media. “Japan to Build ‘World’s Largest’ Liquefied Hydrogen Carrier at Kawasaki.” January 8, 2026.
31. The Maritime Executive. “Japan Will Build World’s Largest Liquefied Hydrogen Carrier.” January 6, 2026.
32. S1:DR. “From EV Plateau to AI Powerhouses: Japan’s Battery Leaders Find Their Next Growth Engine.” May 19, 2026.
33. Ibid. Industry analyst estimates for AI data centre stationary storage market in Japan through 2030.
34. AIP FYI. “The Week of May 18, 2026: Fusion Industry Association — Madison in the Running for Next-Gen Fusion Facility.” May 2026. / IEA. Energy Technology Perspectives 2026. May 2026.
35. IEA. The State of Energy Innovation 2026. March 31, 2026. Executive Summary.
36. Columbia Energy Policy / EIA. “Enhanced Geothermal Systems Could Expand Geothermal Power Generation.” February 2026. / Fervo Energy, Cape Station project specifications.
37. Carbon Credits. “Fervo Energy’s $1.3 Billion IPO Signals a Geothermal Breakthrough.” May 2026. / IEA. “The Future of Geothermal Energy.”
38. IEA. The State of Energy Innovation 2026. March 31, 2026.
39. Ibid. Executive Summary.