1. Introduction

The green hydrogen economy refers to an economic system in which hydrogen is produced using renewable energy, particularly through water electrolysis powered by renewable electricity, and is then used, stored, transported, traded, or converted into derivatives such as green ammonia and green methanol.

Legally, green hydrogen is not governed by one comprehensive statute. Instead, its regulatory structure is developing through a combination of energy law, electricity regulation, environmental law, industrial regulation, standards, taxation, infrastructure law, contract law and international trade rules.

In India, the principal policy framework is the National Green Hydrogen Mission (NGHM), approved in January 2023. Its stated objective is to make India a global hub for production, utilisation and export of green hydrogen and its derivatives. The Mission includes demand creation, certification, electrolyser manufacturing, hydrogen production incentives, infrastructure development, standards and regulations. (Ministry of New and Renewable Energy)

2. Meaning and Legal Classification of Green Hydrogen

The first element of a legal structure is determining what qualifies as "green hydrogen."

India's Green Hydrogen Standard establishes an emissions-based framework for classification. The framework covers both electrolysis-based and biomass-based hydrogen production and establishes an emissions threshold for hydrogen to qualify as green. (Ministry of New and Renewable Energy)

This is legally significant because classification determines:

eligibility for government incentives;

access to green-hydrogen procurement programmes;

eligibility for certification;

ability to make environmental claims;

potential export eligibility;

accounting of renewable-energy consumption; and

compliance with international sustainability requirements.

Therefore, the definition of green hydrogen is not merely technical. It creates a legal entitlement or eligibility category.

3. Main Components of the Green Hydrogen Legal Structure

A comprehensive legal structure can be divided into the following layers:

A. Production regulation

B. Renewable electricity regulation

C. Water and environmental regulation

D. Certification and guarantees of origin

E. Infrastructure regulation

F. Transportation and storage regulation

G. Industrial and safety regulation

H. Market and procurement regulation

I. Financial incentives

J. Carbon accounting

K. International trade regulation

L. Environmental and constitutional obligations

4. Production Regulation

Green hydrogen production generally involves an electrolyser, renewable electricity and water.

The legal system must therefore regulate:

establishment of hydrogen-production facilities;

renewable electricity sourcing;

electrolyser standards;

measurement of electricity consumption;

hydrogen purity;

emissions accounting;

safety requirements;

environmental approvals; and

certification.

Under the National Green Hydrogen Mission, India has created the SIGHT programme, including incentives for electrolyser manufacturing and green-hydrogen production. The Mission also contemplates quality and performance requirements for equipment used in supported projects. (Ministry of New and Renewable Energy)

The legal structure therefore combines industrial policy with energy regulation.

5. Renewable Electricity as the Legal Foundation

Green hydrogen is effectively an energy-conversion product: renewable electricity is converted into hydrogen.

Consequently, electricity law becomes a central component of hydrogen law.

Important legal issues include:

open access;

renewable-energy procurement;

captive generation;

electricity banking;

transmission charges;

grid connectivity;

scheduling;

balancing;

renewable-energy certificates;

power purchase agreements; and

electricity-market participation.

The National Green Hydrogen Mission specifically identifies mechanisms such as renewable-energy banking, open access and interstate-transmission-charge provisions to facilitate renewable electricity supply for hydrogen production. (Ministry of New and Renewable Energy)

The Electricity Act, 2003 and rules concerning renewable-energy access consequently form an important part of India's emerging hydrogen legal architecture.

6. Water Regulation

Electrolysis requires water. Consequently, large-scale green hydrogen production raises questions concerning:

source of water;

groundwater extraction;

freshwater allocation;

desalination;

wastewater management;

environmental permissions;

competing agricultural and domestic uses; and

water pricing.

This creates an important legal principle:

Green hydrogen cannot be treated as environmentally sustainable merely because the electricity used is renewable.

Its complete environmental footprint must be considered.

A hydrogen project may therefore have to comply with applicable provisions of India's environmental and water laws, depending on the project's location and activities.

7. Environmental Law

Hydrogen projects can generate environmental impacts through:

construction;

water extraction;

desalination;

waste generation;

chemical storage;

pipelines;

transportation;

industrial facilities; and

associated renewable-energy infrastructure.

The Environment (Protection) Act, 1986, environmental-clearance framework, pollution-control legislation and other environmental rules can therefore become relevant.

The Supreme Court has developed a substantial body of environmental jurisprudence establishing that environmental protection is connected with constitutional rights.

Indian Council for Enviro-Legal Action v. Union of India

In Indian Council for Enviro-Legal Action v. Union of India, (1996) 3 SCC 212, the Supreme Court emphasised the State's responsibility to take measures for environmental protection and recognised the importance of the statutory powers under the Environment (Protection) Act.

The Supreme Court has subsequently described this jurisprudence as establishing positive State duties relating to environmental protection. (Sci API)

For green hydrogen, this means that regulatory authorities must consider environmental impacts rather than treating hydrogen development solely as an industrial-policy objective.

8. Climate Change and Constitutional Law

A particularly important development is M.K. Ranjitsinh v. Union of India, 2024 INSC 280.

The Supreme Court recognised a constitutional dimension to protection against the adverse effects of climate change, connecting it with Articles 14 and 21 of the Constitution.

The Court explained that climate change can disproportionately affect vulnerable communities and that environmental protection and climate impacts have implications for equality and the right to life. (Sci.gov.in)

This is important for green hydrogen regulation because governmental promotion of hydrogen must operate within broader constitutional principles of:

environmental protection;

equality;

sustainable development;

intergenerational considerations; and

protection of life and health.

Thus, climate policy can provide an important constitutional context for hydrogen legislation, although it does not itself create a standalone statutory green-hydrogen code.

9. Certification: The Central Legal Mechanism

One of the most important components of a green hydrogen economy is certification.

Without certification, producers may claim that hydrogen is green without demonstrating the underlying renewable-energy and emissions characteristics.

A certification system should establish:

1. Eligibility

What hydrogen qualifies as green?

2. Measurement

How much renewable electricity was used?

3. Emissions accounting

What lifecycle or production emissions are attributable to the hydrogen?

4. Traceability

Where and when was the hydrogen produced?

5. Verification

Who verifies compliance?

6. Registry

Where are certificates recorded?

7. Enforcement

What happens if false claims are made?

India's National Green Hydrogen Mission expressly envisages a certification framework for green hydrogen and derivatives. (Ministry of New and Renewable Energy)

10. Guarantees of Origin

An increasingly important international concept is the Guarantee of Origin (GO).

Under the EU renewable-energy framework, guarantees of origin can identify the energy source, production period, production installation and other characteristics. The EU framework specifically accommodates gas, including hydrogen, within its guarantee-of-origin architecture. (EUR-Lex)

The legal function is essentially evidentiary:

A certificate allows a purchaser, regulator or customs authority to verify the renewable characteristics claimed for the hydrogen.

This becomes particularly important for international trade because importing jurisdictions may impose their own sustainability requirements.

11. Relevant European Case Law on Green-Energy Certification

Ålands Vindkraft AB v. Energimyndigheten

In Ålands Vindkraft AB v. Energimyndigheten, Case C-573/12, the Court of Justice of the European Union considered the legal treatment of renewable-energy support and guarantees of origin.

The broader legal significance is that renewable-energy certification operates within a structured regulatory system involving objective, transparent and non-discriminatory criteria.

The CJEU has also emphasised the importance of reliable guarantees of origin for demonstrating renewable characteristics. (EUR-Lex)

This jurisprudence is relevant to future hydrogen certification because a hydrogen certification system must similarly address:

reliability;

traceability;

transparency;

mutual recognition; and

prevention of greenwashing.

12. Infrastructure Regulation

A functioning hydrogen economy requires infrastructure beyond production plants.

This includes:

hydrogen pipelines;

storage facilities;

compression systems;

liquefaction facilities;

ports;

hydrogen refuelling stations;

ammonia terminals;

transportation networks; and

export infrastructure.

The National Green Hydrogen Mission recognises the need for supply chains involving pipelines, tankers, intermediate storage and distribution networks. (Ministry of New and Renewable Energy)

This creates difficult legal questions concerning:

ownership;

third-party access;

tariffs;

common-carrier principles;

safety;

land acquisition;

environmental approval;

liability; and

regulation of network operators.

13. Hydrogen Transportation

Hydrogen may be transported through:

dedicated pipelines;

compressed-gas containers;

liquid hydrogen;

ammonia;

liquid organic hydrogen carriers; and

other chemical carriers.

Each method raises different regulatory questions.

For example, pipeline regulation requires rules concerning:

technical standards;

pressure;

integrity management;

access rights;

land use;

emergency response;

inspection;

operator liability.

Consequently, hydrogen law must interact with existing petroleum, gas, pipeline, industrial-safety and transportation legislation.

14. Safety Regulation

Hydrogen has distinctive physical properties, including high flammability and low molecular weight.

A hydrogen legal framework therefore needs standards for:

production facilities;

compression;

storage;

transportation;

refuelling;

industrial use;

emergency response;

worker protection; and

accident reporting.

India's National Green Hydrogen Mission expressly identifies the development and harmonisation of regulations and standards as part of the Mission architecture. (Ministry of New and Renewable Energy)

15. Market Creation

A green hydrogen economy cannot depend entirely on supply-side incentives.

There must also be demand.

The National Green Hydrogen Mission contemplates minimum consumption requirements for designated consumers of green hydrogen or derivatives such as green ammonia and green methanol, along with competitive procurement mechanisms. (Ministry of New and Renewable Energy)

This creates a regulatory model involving:

Production incentive → certification → demand obligation → procurement → consumption → emissions reduction.

The legal system therefore becomes a mechanism for creating a market rather than simply regulating an existing market.

16. Government Incentives

Green hydrogen currently requires substantial infrastructure and technology investment.

Government intervention may take the form of:

production incentives;

capital support;

electrolyser-manufacturing incentives;

competitive procurement;

tax incentives;

infrastructure support;

transmission concessions;

research grants; and

public procurement.

India's SIGHT programme is a central example of this approach. The Mission provides financial mechanisms for both electrolyser manufacturing and green-hydrogen production. (Ministry of New and Renewable Energy)

The legal challenge is ensuring that subsidies are:

transparent;

competitively allocated;

technology-neutral where appropriate;

consistent with procurement law;

measurable; and

protected against fraud.

17. Public Procurement and Contracts

Government procurement can create an initial market for green hydrogen.

Hydrogen contracts may involve:

long-term supply agreements;

green-ammonia purchase agreements;

renewable power purchase agreements;

electrolyser supply contracts;

infrastructure concession agreements; and

government-backed procurement.

Contracts must address:

hydrogen specifications;

certification;

volume;

price;

delivery;

force majeure;

change in law;

carbon-intensity requirements;

penalties;

termination; and

environmental attributes.

The change-in-law issue is particularly important because hydrogen regulation is rapidly developing.

18. Carbon Accounting

Green hydrogen's legal value increasingly depends on its carbon intensity.

A sophisticated legal framework therefore needs rules concerning:

direct emissions;

indirect electricity emissions;

renewable-energy additionality;

temporal matching;

geographical matching;

lifecycle emissions;

carbon credits; and

double counting.

This is especially important for exports because foreign purchasers may require hydrogen to meet particular carbon-intensity thresholds.

19. International Trade Law

India intends the hydrogen sector to have an export dimension. (Ministry of New and Renewable Energy)

International trade therefore introduces questions concerning:

customs classification;

technical barriers to trade;

mutual recognition of certification;

subsidies;

environmental product standards;

carbon-border measures;

origin rules;

maritime transportation; and

recognition of hydrogen derivatives.

If an importing country accepts only hydrogen certified under its own system, Indian producers could face additional compliance costs.

Accordingly, international interoperability of certification systems is likely to become one of the most important legal issues in the hydrogen economy.

20. Greenwashing and Consumer Protection

A green hydrogen economy also requires protection against false environmental claims.

A producer should not be able to describe hydrogen as "green" without demonstrating compliance with the applicable standard.

Legal controls can include:

certification requirements;

auditing;

disclosure;

penalties;

withdrawal of certification;

financial clawbacks; and

consumer-protection measures.

This is particularly important because the economic value of green hydrogen partly depends upon its environmental attributes.

21. Important Indian Case-Law Principles

Although there are not yet many Indian Supreme Court decisions specifically concerning green hydrogen, several established environmental and energy-law cases provide the jurisprudential foundation.

1. Indian Council for Enviro-Legal Action v. Union of India, (1996) 3 SCC 212

Principle: Strong governmental responsibility for environmental protection and application of environmental-law principles.

Relevance: Hydrogen projects must comply with environmental obligations rather than receiving automatic exemption because they are labelled "green." (Sci API)

2. M.K. Ranjitsinh v. Union of India, 2024 INSC 280

Principle: The Supreme Court recognised a constitutional right against the adverse effects of climate change, linked to Articles 14 and 21.

Relevance: Provides constitutional context for climate-oriented energy transitions and sustainable infrastructure. (Sci.gov.in)

3. Vellore Citizens' Welfare Forum v. Union of India, (1996) 5 SCC 647

Principles: Precautionary principle, polluter-pays principle and sustainable development.

Relevance: These principles are relevant when assessing the environmental impacts of hydrogen production, associated renewable infrastructure and industrial facilities.

4. A.P. Pollution Control Board v. Prof. M.V. Nayudu, (1999) 2 SCC 718

Principle: Environmental decision-making frequently involves complex scientific and technical questions.

Relevance: Hydrogen regulation will similarly require scientific expertise concerning emissions, water consumption, safety and lifecycle environmental impacts.

5. Hanuman Laxman Aroskar v. Union of India, (2019) 15 SCC 401

Principle: Environmental decision-making must satisfy procedural fairness and proper consideration of relevant environmental information.

Relevance: Large hydrogen hubs and associated infrastructure should be subjected to legally adequate environmental assessment where applicable.

22. Institutional Structure

A future comprehensive hydrogen legal structure in India would involve several institutions rather than one regulator.

This creates a multi-level governance model.

23. Need for a Dedicated Green Hydrogen Law

At present, India's framework is substantially based on mission policy, standards, guidelines, electricity regulations and existing environmental/industrial legislation, rather than a single Green Hydrogen Act. The Supreme Court itself observed in M.K. Ranjitsinh that India does not have a single umbrella climate-change legislation. (Sci.gov.in)

A future dedicated statute could consolidate:

legal definition of green hydrogen;

certification;

guarantees of origin;

emissions accounting;

hydrogen infrastructure;

transportation;

storage;

safety;

market obligations;

government incentives;

export regulation;

regulatory powers;

dispute resolution;

penalties; and

international recognition of certificates.

24. Proposed Legal Architecture

A coherent Green Hydrogen Economy Act could be structured as follows:

Chapter I — Preliminary

Definitions and objectives.

Chapter II — Classification

Green, renewable, low-carbon and other hydrogen categories.

Chapter III — Production

Licensing, registration, standards and environmental requirements.

Chapter IV — Renewable Electricity

Open access, banking, transmission and renewable-power sourcing.

Chapter V — Water

Water-use permissions, conservation and wastewater requirements.

Chapter VI — Certification

Certification authority, methodology, auditing and registries.

Chapter VII — Guarantees of Origin

Creation, transfer, cancellation and international recognition.

Chapter VIII — Infrastructure

Pipelines, storage, ports and hydrogen hubs.

Chapter IX — Safety

Technical standards, emergency planning and liability.

Chapter X — Market Development

Demand obligations and competitive procurement.

Chapter XI — Finance

Incentives, subsidies and public procurement.

Chapter XII — Carbon Accounting

Lifecycle emissions and prevention of double counting.

Chapter XIII — International Trade

Exports, imports and mutual recognition.

Chapter XIV — Enforcement

Inspection, penalties, suspension and cancellation.

Chapter XV — Dispute Resolution

Regulatory appeals, arbitration and judicial review.

25. Conclusion

The legal structure of a green hydrogen economy is fundamentally interdisciplinary. It cannot be reduced to a law governing hydrogen production alone.

Its architecture combines:

Renewable-energy law + electricity law + environmental law + water law + industrial safety + infrastructure regulation + certification + carbon accounting + public procurement + finance + international trade.

India has already established important foundations through the National Green Hydrogen Mission, the Green Hydrogen Standard, renewable-energy policies, financial incentives and work on standards and certification. (Ministry of New and Renewable Energy)

The central future legal challenge is regulatory integration. A successful framework must ensure that hydrogen is genuinely low-emission, that environmental attributes are verifiable, that infrastructure is safe, that public incentives are accountable, and that Indian certification can interact with international markets.

The emerging jurisprudence on environmental protection, sustainable development and climate rights, particularly Indian Council for Enviro-Legal Action, Vellore Citizens' Welfare Forum and M.K. Ranjitsinh, provides an important constitutional and environmental foundation for this developing legal regime. (Sci API)