

Register, Track & Verify Environmental Commodities
Xpansiv® Registries™ provides the trusted infrastructure that powers global environmental markets. As the leading independent registry operator and infrastructure provider, Xpansiv ensures integrity, traceability and trust in voluntary and compliance markets. Our turnkey platform supports registry sponsors, program administrators and market participants with feature-rich, auditable systems that are proven across regions and commodities.

20 Years
Proven leadership designing, building and operating environmental registries worldwide
300 GW
Capacity of Xpansiv’s unmatched global renewable energy certificate (REC) registry network
30%
Of RECs are issued globally through our technology
15+
Leading registries operating across five continents
Solution Offerings
Registry Infrastructure
Xpansiv provides a modern, turnkey SaaS platform that enables organizations to design and operate registries for renewable energy, carbon, digital fuels and other instruments. Governments, NGOs and standards bodies rely on our infrastructure to implement and oversee environmental markets and programs, including onboarding account holders, issuing serialized credits and overseeing compliance and voluntary retirements. This ensures full traceability for environmental assets and builds trust in market integrity.
Design & Deploy
- Out-of-the-box registry configurations for compliance and voluntary markets
- Customizable workflows for issuance, transfer and retirement
- Configurable account types, access controls and governance frameworks
Rely on Advanced Security & Traceability
- SOC 2 certified infrastructure with enterprise-grade security
- Role-based access control (RBAC) and multi-factor authentication (MFA)
- Immutable serialization and audit logs for regulatory assurance

North American Renewables Registry (NAR™)
NAR is the trusted backbone for renewable energy tracking for projects across roughly 30 U.S. states and Canadian provinces, plus Puerto Rico and Guam. NAR serves as a registry of record for multiple compliance programs and voluntary commitments, and is a system of record for the Green-e Energy program – providing transparency, scale and reliability.
Track Every MWh
- Issue and manage RECs, Hourly RECs, and Zero Emission Credits (ZECs)
- Ensure compliance with regional and national renewable programs
- Streamline credit creation and retirement with built-in audit trails
Connect Across Markets
- Seamless transfers between regional registries and voluntary programs
- Interoperable with Xpansiv Connect for portfolio-wide visibility
Rely on Service Excellence
- Trusted administrators with 20+ years of experience
- Same-day response and personalized client support
- Reliable, transparent service for utilities, developers, government and corporations

Tradable Instrument for Global Renewables Registry (TIGR™)
The TIGR Registry provides a transparent, standardized platform for global renewable energy tracking – enabling project developers and corporations to issue and manage TIGRs across jurisdictions. The registry enforces robust traceability and reporting to prevent double counting and support global sustainability claims.
Global Reach
- Issue and transfer renewable energy certificates worldwide
- Support international procurement and voluntary claims
- Seamlessly connect markets
Proven Integrity
- Immutable serialization ensures full auditability
- Aligned with global renewable energy protocols
- Ensures traceability from project to retirement
Enterprise Support
- Dedicated registry experts with multilingual client support
- API integration with Xpansiv Connect and exchange systems
- Designed for scalability across global projects

Digital Fuels Registry™
The Digital Fuels Registry provides a first-of-its-kind mechanism to verify and track low-carbon fuels and digital fuels through a secure book-and-claim system. It tracks fuel origin, attributes, and carbon intensity – enabling global decarbonization of supply chains through verified sustainability claims.
Measure Fuel Impacts
- Tracks origin, feedstock and carbon intensity per batch
- Records and verifies lifecycle emission reductions
Decarbonize Supply Chains
- Enables global “book & claim” accounting for low-carbon fuels
- Provides transparency for Scope 3 emissions tracking
- Links environmental attributes to fuel logistics and procurement systems
Build Market Confidence
- Proven governance and verified data lineage
- Provides assurance for emission reduction claims
- Can be extended to additional program types over time

Get More Value from the Xpansiv Platform
Complement Xpansiv Registries with solutions that enable you to transact in liquid markets and manage your cross-registry positions efficiently. Leading organizations trust Xpansiv to support the full lifecycle of environmental commodities.

Frequently Asked Questions
Answers to common questions about Xpansiv Registries
What types of environmental instruments can Xpansiv Registries support?
Our platform supports a full range of commodities including renewable energy certificates (RECs), carbon credits, low-carbon & digital fuels, recycled material credits, and more – each with configurable workflows and data models.
Who uses Xpansiv Registries?
Our registries are trusted by governments, NGOs, corporations, utilities, project developers, and traders – across voluntary and compliance programs worldwide.
How does Xpansiv Registries integrate with other systems?
It integrates through secure REST APIs and direct integration with Xpansiv Connect, enabling seamless cross-registry transfers, market linkage, and automated reporting.


Get Started Today
See how Xpansiv Registries can strengthen trust, transparency, and scale in your environmental market programs.












