Core topics
Green hydrogen projects touch electricity markets, water treatment, compression, storage, safety zoning, and end-use operations. The cards below summarize the questions we see most often and provide a structured way to think about the trade-offs. If you are planning a stakeholder workshop, you can use these sections as an agenda: start with demand, map available power, then work through storage and safety.
Electrolysis fundamentals
Electrolysers convert electrical energy into chemical energy. The practical question is not only efficiency but operating range: minimum stable load, ramp rates, and how start-stop behavior affects maintenance. For teams using renewables, utilization assumptions can dominate cost per kilogram. Track power availability, target output, and the control boundaries between renewable generation, the electrolyser, and storage.
Best for: early feasibility, vendor shortlists, and power profile discussions.
Water quality and treatment
Water is a core input and a frequent blind spot. Teams should confirm: source availability, seasonal variability, inlet quality, and discharge constraints. Treatment adds footprint, energy use, and maintenance tasks that belong in the operating model from the start. A simple record of water assumptions helps stakeholders avoid schedule delays when permitting and utility approvals begin.
Best for: site screening and balance-of-plant planning.
Compression and storage
Storage is where production meets demand. Compressed gas storage is common for many sites, while liquid hydrogen and carrier options can fit larger logistics networks. Choose based on duty cycle, footprint, delivery cadence, and safety zones rather than a single metric. Document your required autonomy: hours or days of coverage when generation dips or transport is delayed.
Best for: operations planning and logistics feasibility.
Safety planning and operations
Hydrogen is manageable with good engineering and disciplined operations. Early safety planning should address hazardous areas, ventilation, detection, separation distances, and emergency procedures. The most useful output is a site layout that shows safety zones and access routes so stakeholders can see where constraints may affect future expansion. Training and maintenance planning should be part of the design conversation, not an afterthought.
Best for: facility layout, stakeholder confidence, and readiness reviews.
Integration with renewables
Renewable power variability drives decisions on control strategy, storage size, and operating schedules. A helpful working model includes: hourly power availability, expected curtailment, export limits, and the priority order for using power. Define what happens when power drops quickly, when storage is full, and when demand spikes. These are operational questions with technical consequences.
Best for: controls discussions and utilization assumptions.
End-use: industry and mobility
End-use drives everything. Industrial applications often value steady supply and integration with existing systems. Mobility refuelling values peak throughput, rapid filling, and clear procedures. For either case, define your quality, pressure, delivery pattern, and uptime targets. This creates a concrete offtake profile that can be matched against production and storage rather than relying on averages.
Best for: offtake modelling and sizing decisions.
