Insights for people who build hydrogen, not just talk about it.
Engineering deep-dives, LCOH breakdowns, standards explainers and case studies, written by the team automating pre-FEED, for the developers and EPCs doing the work.
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Six lenses on green hydrogen.
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RFNBORFNBO Additionality Rules Explained: The 36-Month Rule, the 2028 Cliff and the 2038 Grandfather Clause
What RFNBO additionality requires today: the 36-month rule, the no-subsidy test, the 1 January 2028 cliff and 2038 grandfathering, and how to design for them.
Project DevGreen Hydrogen Site Selection Criteria: Seven Checks to Run Before Pre-FEED
Seven green hydrogen site selection criteria to check before pre-FEED, from resource and grid to water, land and offtake, with 2026 project examples.
RE SystemsBattery Storage for Green Hydrogen: When a BESS Earns Its Place Next to an Electrolyzer
Does an electrolyzer need a battery? What 2026 projects and studies show about BESS sizing, electrolyzer limits, degradation and regional battery costs.
Markets & PTXIMO Net-Zero Framework: What the December Vote Means for Green Ammonia Projects
Six weeks before the IMO vote: how $380/t remedial units, a 19 gCO2e/MJ threshold and a stalled offtake market shape the case for green ammonia projects.
Project DevHow Much Water Does Green Hydrogen Really Need? From 9 L/kg to Site-Level Design
Green hydrogen needs 9 L of water per kg by chemistry and 13-30 L in practice. See where the water goes, why cooling matters and how to screen a site.
ElectrolyzersElectrolyzer Degradation Rate: What 0.05% per 1,000 Hours Means for Your Project
Electrolyzer degradation rates by technology, why stop-starts speed up stack ageing, and how degradation moves LCOH, with sourced data for project teams.
LCOHEuropean Hydrogen Bank Auction Results: What €0.44/kg Bids Mean Before IF26
Most Hydrogen Bank winners bid under €1/kg, yet most second-round capacity never signed. What the auction results mean, and how to price your IF26 bid.
LCOHChinese Electrolyzers: What the Price Gap Really Means for Your LCOH
Chinese alkaline electrolyzers cost far less ex-factory, but the gap shrinks to about a third once installed. Here is what that means for LCOH and EU auctions.
RFNBOThe RFNBO Rules Are Being Rewritten: What the 2026 Revision Could Change, and How to Design for Both Outcomes
The EU is rewriting its green hydrogen rules. What the 2026 RFNBO review could change on additionality and hourly matching, and how to design for both.
Project DevWhy Green Hydrogen Projects Get Cancelled: Lessons from Seven Exits, and a Bankability Checklist
Seven cancelled green hydrogen projects, five patterns behind them, and a bankability checklist to run before FID. Lessons for developers and EPCs.
Markets & PTXHydrogen Offtake Agreement Structure: The Contract That Decides Whether a Project Gets Built
How hydrogen offtake agreements are structured: tenor, take-or-pay, pricing and credit, explained with real NEOM, H2Global and EU Hydrogen Bank examples.
Markets & PTXGreen Hydrogen Export Corridors to Europe: Where Morocco Fits in 2026
Europe wants to import 10 million tonnes of renewable hydrogen by 2030. Two pipeline corridors are moving from slideware to engineering. Morocco has the resource, the policy, and the political ties, but is not on either corridor map yet.
Markets & PTXPower-to-X Market Outlook 2026: Record Growth, Fewer Projects, and a Handful of Markets That Matter
Low-emissions hydrogen production rose 20% in 2025 and is on track to pass 1% of global supply in 2026. The announced pipeline for 2030 has shrunk by 10 million tonnes. This is where the market stands, which countries decide the outcome, and what to watch next.
Markets & PTXGreen Ammonia LCOA Calculation Methodology: Boundary, Balance, Sizing and Discounting
Published green ammonia cost estimates range from $473 to over $1,400 per tonne. Most of that spread is method, not site quality. This post lays out the five-step calculation: boundary, mass balance, hourly sizing, component costing, and discounting, with published benchmarks at each step.
LCOHCapacity Factor Optimization in Green Hydrogen: Why the Highest Utilization Is Not Always the Lowest Cost
Two bodies of published work reach opposite conclusions about what a higher electrolyzer capacity factor does to LCOH. Both are right. They differ in what they hold constant, and understanding that difference is the whole game at pre-FEED.
LCOHElectrolyzer CAPEX vs. Discount Rate: Which One Actually Moves Your LCOH?
Most green hydrogen project teams spend months negotiating electrolyzer price per kilowatt. The sourced sensitivity data shows they have the priorities backwards: at commercial scale, financing terms move LCOH far more than the electrolyzer's sticker price.
RE SystemsWhy Hybrid Solar-Wind Systems Outperform Single-Source RE for Green Hydrogen: The Capacity Factor Math
Before you specify an electrolyzer, before you negotiate CAPEX, you need one number: your achievable capacity factor. This article explains why CF is the dominant LCOH driver and how hybrid RE configurations get you there, grounded in peer-reviewed results from five Moroccan sites.
ElectrolyzersAWE vs. PEM for Utility-Scale Green Hydrogen: Which Technology Wins at 50, 200, and 500 MW?
A rigorous engineering comparison of alkaline and PEM electrolysis at 50 MW, 200 MW, and 500 MW - covering CAPEX, stack lifetime, iridium supply risk, and the four numbers that actually drive the technology decision at pre-FEED.
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