Short answer

When designing green hydrogen production systems, rigorously evaluate and select production sites based on their potential for lower environmental impact, and prioritize highly efficient PV and electrolyzer technologies.

Field: Sustainability
Source: Discover Sustainability (2026)
Method: Life Cycle Assessment (LCA)
Evidence: Strong effect

The geographical location of green hydrogen production facilities, specifically concerning solar irradiance and local energy infrastructure, demonstrably influences the overall environmental impact. This sustainability research insight is drawn from a 2026 study published in Discover Sustainability. Using Life cycle assessment (lca), researchers explored how this design variable affects real-world outcomes. The key design takeaway: When designing green hydrogen production systems, rigorously evaluate and select production sites based on their potential for lower environmental impact, and prioritize highly efficient PV and electrolyzer technologies.

Study

SustainabilityNew This WeekStrong effect

Green Hydrogen Production Location Significantly Impacts Environmental Footprint

The geographical location of green hydrogen production facilities, specifically concerning solar irradiance and local energy infrastructure, demonstrably influences the overall environmental impact.

Discover Sustainability · 2026

Key Findings

01Production location is a crucial factor in determining the environmental outcomes of green hydrogen production.
02Tabuk exhibited the lowest environmental impacts across all assessed categories, while Dammam showed the highest.
03PV modules and battery storage were identified as the primary contributors to global warming potential.
04PV module efficiency and electrolyzer specific energy consumption were the most influential parameters.

Application

Design takeaway

How to apply

Before committing to a production site for a green hydrogen project, conduct a localized LCA to understand the specific environmental trade-offs associated with that location and the chosen technology.

Project actions

01When choosing a location for your design project involving energy production, consider the environmental impact of that specific location.
02Research the efficiency of different components (like solar panels or batteries) and how they contribute to the overall environmental footprint.

Method & Evidence

AimTo comparatively assess the environmental footprint of green hydrogen production using photovoltaic (PV) energy and a proton exchange membrane (PEM) electrolyzer across different cities in Saudi Arabia.

MethodLife Cycle Assessment (LCA)

ProcedureA cradle-to-gate LCA was conducted using the ReCiPe 2016 Midpoint (H) method to evaluate environmental impacts, including global warming potential, for green hydrogen production in various Saudi Arabian cities. Sensitivity and uncertainty analyses were performed to identify key influencing factors and confirm findings.

ContextGreen hydrogen production using PV and PEM electrolyzers in Saudi Arabia.

Variables

IV["Production location (city)","PV module efficiency","Electrolyzer specific energy consumption"]

DV["Global warming potential (kg CO2-eq/kg H2)","Other environmental impact categories"]

CV["Technology type (PV + PEM electrolyzer)","Life cycle assessment methodology (ReCiPe 2016 Midpoint (H))","Cradle-to-gate scope"]

Strengths & Limitations

Strengths

+Comprehensive LCA methodology applied.
+Inclusion of sensitivity and uncertainty analyses to validate findings.

Limitations

The availability of precise local data for energy generation and component manufacturing can be a challenge.

Reliability & validity

The use of a standardized LCA methodology (ReCiPe 2016) and sensitivity/uncertainty analyses contributes to the reliability and validity of the findings. However, the validity is dependent on the accuracy of the input data for each city and component.

Think critically

If a location has excellent solar resources but requires significant infrastructure development (e.g., new transmission lines), how does this offset the initial environmental benefits of green hydrogen production?

Design Principles

"Optimize the environmental performance of energy systems by considering the geographical context and the embodied impacts of key components."

Understanding these location-specific impacts is critical for strategic planning in the burgeoning green hydrogen sector. Designers and engineers can leverage this knowledge to optimize facility placement, thereby minimizing environmental burdens and maximizing the sustainability credentials of green hydrogen projects.

What This Means for Your Design

Where you make green hydrogen matters a lot for the environment. Some places are better than others because of the sun and how efficient the equipment is.

How to use in your project

1.Use this study to justify the selection of a specific location for your design project, explaining how it minimizes environmental impact.
2.Reference the findings on PV module and electrolyzer efficiency when discussing material choices or system optimization in your design.

Add to My Project

Quick Cite

Paragraph starter

This research highlights the critical influence of production location on the environmental performance of green hydrogen. By analyzing various cities in Saudi Arabia, the study found significant differences in global warming potential, primarily driven by the efficiency of photovoltaic modules and electrolyzer systems. This underscores the importance of site-specific assessments in sustainable design, advocating for the selection of locations that optimize resource availability and minimize environmental burdens throughout the product's life cycle.

Source

Discover Sustainability

Comparative life cycle assessment of green hydrogen production across cities in Saudi Arabia

journal · 2026

View source

Questions About This Research

What does the research say about green hydrogen production location significantly impacts environmental footprint?: When designing green hydrogen production systems, rigorously evaluate and select production sites based on their potential for lower environmental impact, and prioritize highly efficient PV and electrolyzer technologies. Evidence: Discover Sustainability (2026).
Why does "Green Hydrogen Production Location Significantly Impacts Environmental Footprint" matter for design?: Understanding these location-specific impacts is critical for strategic planning in the burgeoning green hydrogen sector. Designers and engineers can leverage this knowledge to optimize facility placement, thereby minimizing environmental burdens and maximizing the sustainability credentials of green hydrogen projects.
How can designers apply this research?: When designing green hydrogen production systems, rigorously evaluate and select production sites based on their potential for lower environmental impact, and prioritize highly efficient PV and electrolyzer technologies.
What were the main findings?: Production location is a crucial factor in determining the environmental outcomes of green hydrogen production.. Tabuk exhibited the lowest environmental impacts across all assessed categories, while Dammam showed the highest.. PV modules and battery storage were identified as the primary contributors to global warming potential.. PV module efficiency and electrolyzer specific energy consumption were the most influential parameters.
What research method was used?: Life Cycle Assessment (LCA).
How strong is the evidence?: Evidence strength is rated Strong effect, based on a 2026 journal from Discover Sustainability.
What should I do differently in my next project?: Before committing to a production site for a green hydrogen project, conduct a localized LCA to understand the specific environmental trade-offs associated with that location and the chosen technology.
What are the limitations?: The study focused on a specific technology (PV and PEM electrolyzer) and geographical region (Saudi Arabia). Results may vary with different technologies or in different climatic conditions.