Guarantees of Origin: Norway Draws the Line Between Market Claims and Physical Power
Norway’s new guidance clarifies how Guarantees of Origin relate to market-based claims, physical power and Scope 2 reporting.
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Renewable electricity, tracked with precision
Clean power.
Hour by hour.
Understand renewable energy certificates, follow the markets and explore how hourly matching changes clean power procurement.
Wind generation
News & Articles
Latest analysis
Market news, policy developments and analysis from the certificate sector.
China’s Green Power Reform: From Certificates to Hourly Traceability
China’s new policy enables multi-user green power direct connections, hourly traceability and clearer green certificate allocation.
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The First EV Freight Certificates Have Arrived. Their Credibility Will Depend on What Comes Next.
The first EV freight certificates target Scope 3 emissions. We analyse their methodology, additionality, electricity accounting and market impact.
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Hourly REC Tracking Moves Toward Market Scale as Xpansiv and Granular Energy Integrate Platforms
Xpansiv and Granular Energy launched a registry-integrated hourly REC matching platform in April 2026. Analysis of what it means for EACs, GOs
Read moreCertificates
Compare the main certificate schemes
See what each certificate represents, where it is used and how to substantiate a claim.
Europe
Guarantees of Origin (GOs)
Explore the European certificates used to document electricity generation attributes and support renewable electricity disclosure.
International
International REC (I-REC)
How I-REC for electricity (I-REC(E)) is issued, transferred and redeemed across participating markets.
United Kingdom
UK REGOs
A guide to REGOs and their role in UK electricity disclosure and renewable procurement.
North America
Renewable Energy Certificates (RECs)
What a REC represents, how registries track it, and where it fits in voluntary and compliance markets.
Pilot Projects
How hourly matching works in practice
Follow practical experiments in time-stamped certificates and hourly clean electricity procurement around the world.
Pilot ProjectsAbout
Our story
The site grew out of Jakob Olsen’s master’s research in renewable energy systems. Its scope expanded from certificate schemes to hourly matching and 24/7 carbon-free electricity.
Explain certificate systems and market rules clearly, and give practitioners direct access to research, data and tools.
Help make renewable electricity procurement easier to assess by showing what was generated, where and when.
- 2023Research foundations
- 2024Wider certificate coverage
- 2025Focus on hourly matching
Clearer evidence for clean power
Procurement transparency
Trace certificates from issuance to retirement.
Time-matched sourcing
See which hours are covered by eligible generation.
Comparable market rules
Check which rules and registries apply in each market.