Definition:
The process of evaluating the total greenhouse gas emissions associated with hydrogen production, storage, and use.
Key Components:
- Emission Factors: Measures CO₂ emissions from hydrogen production methods.
- Carbon Intensity Ratings: Classifies hydrogen as green, blue, or gray based on emissions.
- Life Cycle Analysis (LCA): Evaluates total environmental impact from production to end use.
Use Cases/Industries:
- Regulatory Compliance: Governments assess carbon intensity to incentivize low-carbon hydrogen.
- Hydrogen Certification Programs: Labels hydrogen based on its environmental footprint.
- Sustainability Reporting: Companies track and reduce their carbon emissions.
Advantages:
- Promotes Clean Energy Transition: Encourages adoption of green and low-carbon hydrogen.
- Informs Policy Development: Helps create incentives for low-emission hydrogen.
Challenges:
- Data Standardization: Different regions and organizations use varied methodologies.
- Tracking Supply Chains: Requires transparency across the hydrogen value chain.
Related Terms:
Carbon Capture and Storage, Green Hydrogen Certification, Life Cycle Assessment
Example:
The EU’s CertifHy initiative certifies hydrogen as renewable or low-carbon based on lifecycle emissions analysis.
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Synonyms:
Hydrogen Lifecycle Emissions, Hâ‚‚ Environmental Impact Assessment
