International Renewable Energy Certificates (I-RECs)
The International REC Standard (I-REC) is an international standard for the production, tracking and cancellation of renewable electricity in countries that don’t already have a system for EACs.
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Energy Attribute Certificate (EAC)
Carbon Credits
Zero Carbon Solution
Product description
GEC
The GEC represents the environmental attribute value of renewable energy electricity and is the sole certificate for green electricity consumption. In March 2025, China's GEC received full recognition from RE100. Going forward, together with the EU Guarantee of Origin (GO) and I-REC, it will seek recognition under key green trade frameworks such as the EU CBAM and the New Battery Regulation.
I-REC
I‑REC is accepted by RE100, CDP, and GHGP as a trusted tracking tool to prevent double counting and double claims. It is widely purchased by major global companies.
In August 2024, the I‑TRACK Foundation announced that I‑REC issuance in China would end in March 2025. Applications for 2024 generation were accepted until March 31, 2025. From April 2025, no new I‑RECs are issued in China, making GEC the sole proof of renewable energy consumption. In May 2025, RE100 confirmed GEC meets its standards, giving GEC the same credibility as I‑REC.
TIGR
TIGR, created by U.S.-based APX, provides standardized renewable energy certificates for emerging markets without national systems. Each TIGR represents 1 MWh of renewable generation, with third-party verification, full lifecycle traceability, and double-counting prevention.
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