Renewable Registries

APX systems provide complete coverage for renewable energy certificate (REC) creation, management and transactions across North America to facilitate the continued dramatic growth of clean energy generation and usage.  All participants in the North American renewable energy markets – regardless of location – are now able to take advantage of a trusted infrastructure to help manage their role in the market. With the ability to create unique, serialized records for every REC, these registries provide the greatest product transparency, accountability and protection against double counting.

APX renewable energy market systems include:

Michigan Renewable Energy Certification System (MIRECS)

The Michigan Renewable Energy Certification System creates, tracks and enables trading of environmental credits through a  unique, traceable digital certificate issued for every megawatt hour (MWh) of  qualifying energy generated by facilities registered with MIRECS or imported  into MIRECS. These credits include Michigan Renewable Energy Credits (RECs),  Advanced Cleaner Energy Credits (ACECs), Michigan Incentive Renewable Energy  Credits (ICs) and Energy Optimization Credits (EOCs) which fall under the  state’s Clean, Renewable and Efficient Energy Act. The system will also support  linkages with other state and regional renewable energy market programs.


New England Generation Information System (NEPOOL GIS)

The NEPOOL GIS, established in July 2002, issues and tracks certificates for each MWh of generation produced in the ISO New England control area, including imports from adjacent control areas, and all load served. In addition to the generation, the NEPOOL GIS provides emissions labeling for the New England load serving entities by tracking the emissions attributes for generators in the region. In recent years the NEPOOL GIS has adapted to the various state RPS laws to track combined heat and power, demand response and conservation and load management certificates.    

Western Regional Energy Generation Information System (WREGIS)

WREGIS, established in June 2007 and administered by the Western Electricity Coordinating Council (WECC), is an accounting system designed to issue, register and track RECs to verify compliance with regulatory requirements and participation in voluntary market programs throughout the western United States. WECC oversees electric reliability for more than 71 million people in 14 western states, two Canadian provinces, and the Northern portion of Baja, Mexico. APX’s registry platform serves as the foundation for renewable energy certificate trading across the WECC region.

North Carolina Renewable Energy Tracking System (NC-RETS)

The North Carolina Renewable Energy Tracking System launched on July 1, 2010. NC-RETS issues, tracks and enables trading of Renewable Energy Certificates and Energy Efficiency Certificates for the North Carolina Renewable Energy and Energy Efficiency Portfolio Standard (REPS). The NC-RETS system enables North Carolina utilities to track their compliance with the NC REPS. Currently certificates can be imported into NC RETS from the following registries: NAR, WREGIS, PJM, ERCOT, MIRECS and M-RETS. Account holders can also export NC RETS certificates to NAR.

New York Generation Attribute Tracking System (NYGATS)

NYGATS is an online certificate-tracking system that records information about electricity generated, imported, and consumed within New York State. Registered NYGATS users can trade, retire, or verify and substantiate ownership of RECs to support compliance or voluntary claims. NYGATS also serves as the platform for applying for Renewable Energy Standard (RES) certification under the New York’s Clean Energy Standard. NYGATS retains records of resources that have received a statement of qualification and designates the RECs created by a facility as eligible for RES Tier 1 compliance.