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Environmental Registry

Manage global carbon, water and biodiversity credits in one convenient place

Track environmental projects, and also issue, transfer and retire serialized credits with one essential tool.

Our environmental registry is the only registry that allows you to manage all your global carbon, water and biodiversity credits in a centralized, financial markets- based registry system.

Project developers looking to list credits, potential buyers sourcing credits, or regulators and standards bodies implementing environmental strategies are all supported. We provide end-to-end management of environmental portfolios and full support for existing and emerging environmental programs and markets. You benefit from increased transparency, efficiency and scalability within global environmental markets.

Why join the largest global environmental registry?

Credits properly tracked with our registry help support the market to ensure continued participation, investment, and efficiency. We make it easy for you with:

  • Request for Information (RFI) platform – anonymous online platform for OTC environmental markets, displaying credits available for sale with indicative quantities and prices. These credits are searchable and viewable by registered buyers.
  • Pending Issuance Unit (PIU) tool – track your forward sales of anticipated environmental credits.

Environmental Solutions brochure

How to Join

Complete the Online Environmental Registry Application

Registry Public View



  • Contact Customer Support for any account open process questions
  • When all required information is provided, we will contact you to discuss your registry requirements and fees
  • Once the account opening is complete, you will receive your log in details and assistance using your registry account, along with an invoice

Environmental Registry Terms and Conditions

Access Program Archives

PENNVEST Nutrient Credit Trading Program Auction Archives

View historical data for the Pennsylvania Infrastructure Investment Authority (PENNVEST) and the Department of Environmental Protection (DEP) auctions for the sale and purchase of nutrient credits in the Susquehanna and Potomac watersheds.
2018 Auctions

12 September 2018 Nutrient Credit Forward Auction Round 1 - Results

12 September 2018 Nutrient Credit Forward Auction Round 2- no sales

2017 Auctions

1 November 2017 Nutrient Credit Spot Auction Round 2 – No Sales

1 November 2017 Nutrient Credit Spot Auction Round 1 - Results

6 September 2017 aNutrient Credit Forward Auction Round 2 – Results

6 September 2017 Nutrient Credit Forward Auction Round 1– No Sales

7 June 2017 Nutrient Credit Forward Auction Round 2 - Results

7 June 2017 Nutrient Credit Forward Auction Round 1 - Results

15 March 2017 Nutrient Credit Forward Auction Round 2 - No Sales

15 March 2017 Nutrient Credit Forward Auction Round 1 - No Sales

2016 Auctions

2 November 2016 Nutrient Credit Spot Auction Round 2 - No additional sales

2 November 2016 Nutrient Credit Spot Auction Round 1 - Results

7 September 2016 Nutrient Credit Forward Auction Round 2 - Results

7 September 2016 Nutrient Credit Forward Auction Round 1 - Results

8 June 2016 Nutrient Credit Forward Auction Round 2 - No additional sales

8 June 2016 Nutrient Credit Forward Auction Round 1 - Results

2015 Auctions

4 November 2015 Nutrient Credit Spot Auction Round 2 - No additional sales

4 November 2015 Nutrient Credit Spot Auction Round 1 - Results

9 September 2015 Nutrient Credit Forward Auction Round 2 - Results

9 September 2015 Nutrient Credit Forward Auction Round 1 - Results

10 June 2015 Nutrient Credit Forward Auction - Cancelled - Results

18 March 2015 Nutrient Credit Forward Auction - Cancelled - Results

2014 Auctions

5 November 2014 Nutrient Credit Spot Auction Round 2 - No additional sales

5 November 2014 Nutrient Credit Spot Auction Round 1 - Results

10 September 2014 Nutrient Credit Forward Auction Round 2 - Results

10 September 2014 Nutrient Credit Forward Auction Round 1 - Results

11 June 2014 Nutrient Credit Forward Auction Round 2 - Results

11 June 2014 Nutrient Credit Forward Auction Round 1 - Results

19 March 2014 Nutrient Credit Forward Auction Round 2 - No additional sales

19 March 2014 Nutrient Credit Forward Auction Round 1 - Results

2013 Auctions

6 November 2013 Nutrient Credit Spot Auction Round 2 - No additional sales

6 November 2013 Nutrient Credit Spot Auction Round 1 - Results

11 September 2013 Nutrient Credit Forward Auction Round 2 - Results

11 September 2013 Nutrient Credit Forward Auction Round 1 - Results

12 June 2013 Nutrient Credit Forward Auction Round 2 - Results

12 June 2013 Nutrient Credit Forward Auction Round 1 - Results

20 March 2013 Nutrient Credit Forward Auction Round 2 - Results

20 March 2013 Nutrient Credit Forward Auction Round 1 - Results

2012 Auctions

09 November 2012 Nutrient Credit Spot Auction Round 2 - No additional sales

09 November 2012 Nutrient Credit Spot Auction Round 1 - Results

12 September 2012 Nutrient Credit Forward Auction Round 2 - Results

12 September 2012 Nutrient Credit Forward Auction Round 1 - Results

13 June 2012 Nutrient Credit Forward Auction - Results

21 March 2012 Nutrient Credit Forward Auction Round - Results

2011 Auctions

2 November 2011 Nutrient Credit Spot Auction Round 2 - No additional sales - Results

2010 Auctions

4th and 5th November 2010 Nutrient Credit Forward Auction - Results

28th and 29th October 2010 Nutrient Credit Forward Auction - Results

Ohio River Basin Trading Project Public View Archives

View historical data for the research and development relating to environmental impacts on water in the Ohio River Basin. Ohio River Basin water quality trading project

Credentials/Industry Memberships/Awards

International Emissions Trading Association

Best Registry Provider

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