Portfolio Audit

How we keep ourselves accountable.

To ensure maximum transparency and accountability, every Terrapass offset purchase is verified in a periodic review conducted by an independent and accredited third party. We were the first carbon offset provider in the U.S. to undergo such a review of our carbon purchase and supply.

The review covers several aspects of our business:

Offset quantity: Did we actually source the necessary amount of carbon offsets on behalf of our customers? To ensure that we did, the accountant examines and verifies our retail sales records and offset supply contracts.

Offset quality: Did we adhere to the quality benchmarks that we say we support? The accountant examines our carbon offset portfolio to ensure that it meets our stated standards.

Transparency and Verification: Our published project portfolio list is part of our submittals to the independent accountant. We publish details on the full portfolio for each period once it has been verified by our accountant.

Each year Terrapass retires the offsets it sold during the previous year. The time lag between sale and retirement occurs because of the process required to have third parties verify the exact amount of offsets generated and retired on behalf of our customers. Each year we compile a list of every sale, check it in detail (and have our outside accountants check it in detail as well), and add up all the numbers to make sure that everything aligns.

 


2021 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2021 to December 31, 2021.

Terrapass 2021 Green-e Climate Confirmation Letter

Terrapass 2021 Green–e Energy Verification

 


2020 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2020 to December 31, 2020.

Terrapass 2020 Green-e Climate Confirmation Letter

Terrapass 2020 Green-e Energy Confirmation Letter

 


2019 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2019 to December 31, 2019.

Terrapass 2019 Green-e Energy Confirmation Letter

Terrapass 2019 Green-e Climate Confirmation Letter

Terrapass 2019 Just Energy Group Retirement Audit Report

 


2018 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2018 to December 31, 2018.

2018 Green-e Climate Compliance letter

2018 EcoLogo Audit Approval Letter

2018 Just Energy Group Retirement Audit Report

 


2017 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2017 to December 31, 2017.

2017 Green-e Climate Compliance letter

 


2016 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2016 to December 31, 2016.

Read the independent accountant’s report (pdf)»

 


2015 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2015 to December 31, 2015.

Read the independent accountant’s report (pdf)»

 


2014 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2014 to December 31, 2014.

Read the independent accountant’s report (pdf)»

 


2013 Project Portfolio

Status: Verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2013 to December 31, 2013.

Read the independent accountant’s report (pdf)»

 


2012 Project Portfolio

Status: verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2012 and December 31, 2012.

Read the independent accountant’s report (pdf)»

 


2010-2011 Project Portfolio

Status: verified

The projects listed below detail our portfolio for customers who purchased offsets from the main Terrapass portfolio between July 1, 2010 and December 31, 2011.

 

Independent Carbon Portfolio Review

 

2010-2011 Projects

Project name Location Type Vintage year Standard Verifier
Cambria 33 Abandoned Coal Mine Ebensburg, PA ACM Methane 2010 VCS DNV
Scenic View Dairy I Fennville, MI Ag Methane 2010 CAR LRQA
Green Valley Dairy Freeport, MI Ag Methane 2009 CAR SCS
Holsum Elm Dairies   Ag Methane 2009-10 CAR TuV SuD America
Brook View Dairy   Ag Methane 2009-10 CAR LRQA
Raleigh County Solid Waste Authority Raleigh County LFG 2011 CAR LRQA
Charleston WVA Charleston LFG 2010-11 CAR FE
Robeson County Landfill St. Pauls, NC LFG 2011 CAR Agri-Waste Technologies
Crow Wing County   LFG 2008 CAR FE
Sioux Falls Regional Sanitary Landfill Sioux Falls, SD LFG 2011 CAR Agri-Waste Technologies
Worcester County Landfill Newark, MD LFG 2011 CAR FE
Red Hills Wind Project Elk City, OK Wind 2009 VCS CE
Greater Lebanon Refuse Authority Lebanon, PA LFG 2010-11 VCS NSF-ISR

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2009-2010 Project Portfolio

Status: verified

The projects listed below detail our final portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2009 and June 30, 2010. The listing is verified.

Independent Carbon Portfolio Review

Terrapass’ retail sales and retirements of carbon offsets were independently reviewed by SingerLewak, a top 100 accounting services firm (out of over 150,000 nationally) headquartered in Los Angeles, CA.

Terrapass’ carbon portfolio for the period of January 1, 2009 through June 30, 2010 saw several changes from previous years. In addition to offsets from wind power, agricultural methane capture, and landfill gas capture, we added a new project type:  methane capture from an abandoned coal mine. Meanwhile, changes in the market impacted the supply of offsets from agricultural methane capture projects, thus resulting in a smaller percentage of such offsets in our portfolio than in previous years.

All projects meet our high standards for inclusion in the portfolio. In addition, we carried forward into this timeframe our final remaining offsets issued under the Chicago Climate Exchange program (CCX) so that they could be retired to honor specific requests from customers.  These offsets were not part of the general portfolio used to satisfy our individual and business sales.

The projects listed below detail the final portfolio for retail customers who purchased offsets between January 1, 2009 and June 30, 2010. See SingerLewak’s report for full details.


2009-2010 Projects

 

Project name Location Type Vintage year Standard Verifier
Cambria 33 Abandoned Mine Methane Capture Ebensburg, PA ACM Methane 2008 VCS DNV
Scenic View Dairy I Fennville, MI Ag Methane 2008-10 CAR SES
Scenic View Dairy II Freeport, MI Ag Methane 2009-10 CAR SES
Flathead Electric Cooperative Landfill Kalispell, MT LFG 2009-10 VCS NSF
Beulah Municipal Landfill (Dorchester County) Hurlock, MD LFG 2009 CAR FE
Greenville County Landfill Gas Utilization Greer, SC LFG 2009 CAR  
L.P. Gill Landfill Jackson, NE LFG 2008 CAR NSF
Robeson County Landfill St. Pauls, NC LFG 2008 CAR LRQA
Sioux Falls Regional Sanitary Landfill Sioux Falls, SD LFG 2009-10 CAR FE
Sioux Falls Regional Sanitary Landfill Sioux Falls, SD LFG 2008 CCX* FE
Tri-Community Recycling and Sanitary Landfill Fort Fairfield, ME LFG 2010 CAR SCS
Worcester County Landfill Newark, MD LFG 2009 CAR FE
Red Hills Wind Project Elk City, OK Wind 2008-09 VCS SGS
Greater Lebanon Refuse Authority Lebanon, PA LFG 2008 CCX* NSF

 

* Vintage 2008 CCX offsets were carried forward from the prior portfolio review to satisfy specific customer requests (i.e, where such offsets were specifically requested by customers).
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2008 Project Portfolio

 

Status: verified
Total metric tons CO2: 211,836

 

The projects listed below detail our final portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2008 and December 31, 2008. The listing is verified and audited.

2008 Projects

 

Project name Location Type Vintage year Standard Verifier
Geerlings Hillside Farms Overisel, MI FP 2008 CCX SES
George DeRuyter and Sons Dairy Outlook, WA FP 2008 CCX SES
Greater Lebanon Refuse Authority Lebanon, PA LFG 2008 CCX RSGA
2008 VCS2007 TUV
Green Valley Dairy Krakow, WI FP 2008 CCX SES
L.P. Gill Landfill Jackson, NE LFG 2008 CCX/CAR FE
Robeson County Landfill St. Pauls, NC LFG 2008 CAR RMA
Scenic View Dairy I Fennville, MI FP 2008 CAR/CCX RMA/SES
Scenic View Dairy II Freeport, MI FP 2008 CCX/CAR SES/RMA
Sioux Falls Regional Sanitary Landfill Sioux Falls, SD LFG 2008 CCX FE
Tatanka Wind Farm Forbes, ND CE 2008 REP SL

 

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2007 Project Portfolio

 

Status: verified
Total metric tons CO2: 212,040

 

The projects listed below detail our final portfolio for customers who purchased offsets from the main Terrapass portfolio between January 1, 2007 and December 31, 2007. The listing is verified and audited.

 

2007 Projects

 

Project name Location Type Vintage year Standard Verifier
Blue Canyon Wind Farm Anadarko, OK CE 2007 SL Verified
Clover Hill Dairy Campbellsport, WI FP 2007 CCX SES
Foote Creek I Wind Farm Arlington, WY CE 2007 G-E REC SL
George DeRuyter and Sons Dairy Outlook, WA FP 2007 CCX SES
Greater Lebanon Refuse Authority Lebanon, PA LFG 2007 CCX RSGA
Green Valley Dairy Krakow, WI FP 2007 CCX SES
Haubenschild Farms Dairy Princeton, MN FP 2008 CCX SES
Hilarides Dairy Lindsay, CA FP 2007 CCX SES
Holsum Elm Dairy Hilbert, WI FP 2007 CCX SES
L.P. Gill Landfill Jackson, NE LFG 2008 CCX FE
Leaning Juniper I Wind Farm Arlington, OR CE 2007 G-E REC SL
Nobelhurst Farms Linwood, NY FP 2008 CCX SES
Rock River Wind Farm Arlington, WY CE 2007 G-E REC SL
Scenic View Dairy I Fennville, MI FP 2007 CCX SES
Sioux Falls Regional Sanitary Landfill Sioux Falls, SD LFG 2007 CCX FE
Vanderhaak Farms Dairy Lynden, WA FP 2007 CCX SES

 

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2006 Project Portfolio

 

Status: verified

 

Total metric tons CO2: 220,426,931

 

Terrapass’ 2006 emission reduction obligations were fulfilled from a portfolio of two-thirds greenhouse gas reductions from landfill gas capture and farm power; and one-third clean energy from wind power and landfill power. All projects met our quality criteria: independent verification, ongoing monitoring, and matched maturity. Terrapasses purchased in 2006 were fulfilled with reductions of vintage 2006. All clean energy projects & renewable energy credits were Green-e certified, and all other projects were conducted and verified according to the rules of the Chicago Climate Exchange. All projects in this portfolio are listed below.

 

2006 Projects

 

Project name Location Type Vintage year Standard Verifier
CrossRoads Landfill Norridgewock, ME Landfill gas capture 99,207,000 45 CCX
Blue Canyon Anadarko, OK Wind 33,465,828 15 Green-e
Ainsworth Wind Energy Facility Ainsworth, NE Wind 30,974,630 14 Green-e
Holsum Irish Dairy Hilbert, WI Farm power 16,743,937 8  
Bos & Herrema Dairies Fair Oaks, IN Farm power 14,109,440 6  
Bavarian Landfill Boone County, KY Landfill power 10,714,356 5 Green-e
Garwin McNeilus wind farm Dodge Center, MN Wind 6,613,800 3 Green-e
Haubenschild Farms dairy Princeton, MN Farm power 3,086,440 1  
           
Vanderhaak Farms dairy Lynden, WA Farm power 2,645,520 1  

 

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2004-2005 Project Portfolio

 

Status: verified

 

Total metric tons CO2: 14,694

 

CRS verified Terrapass’ total sales were 1,074 CO2-e tons in 2004 and 13,620 CO2-e tons in 2005, and that these sales were supplied with one-third Green-e RECs and two-thirds Chicago Climate Exchange carbon offsets. All projects met our quality criteria: independent verification, ongoing monitoring, and reductions which occurred consistent with the timeframe of our external auditing cycle (in this case, late 2004 through 2005). All projects in this portfolio are listed below.

 

2004-2005 Projects

 

Project name Location Type Vintage year Standard Verifier
Haubenschild Farms dairy Princeton, MN FP 2004 17  
Vanderhaak Farms dairy Lynden, WA FP 2004 13  
Garwin McNeilus wind farm Dodge Center, MN CE 2004 11 Green-e
Catawba County landfill Blackburn Landfill, Catawba County, NC LFG 2004 11 Green-e
Ainsworth Wind Energy Facility Ainsworth, NE CE 2004 10 Green-e
Chicago Climate Exchange U.S. CE 2004 7 CCX
Mountain View I and II wind projects San Gorgonio Pass, California CE 2004 7 Green-e
Cabazon/Whitewater Hill wind projects San Gorgonio Pass, California CE 2004 3 Green-e
High Winds Projects Solano County, CA CE 2004 1 Green-e

 

 

 

Key
2009-2010 portfolio
Project types
ACM
FP
LFG
CE
Abandoned Coal Mine Methane
Farm power
Landfill gas capture
Clean energy
Standards
CAR
CCX
REP
VCS2007
Climate Action Reserve
Chicago Climate Exchange (bilateral trades)
Renewable Energy Protocol
Voluntary Carbon Standard 2007
Verifiers
FE
LRQA
RSGA
SES
NSF
SCS
SGS
DNV
First Environment
LRQA America Sustainability Inc.
Richardson, Smith Gardner & Associates
SES Inc.
NSF International Strategic Registrations
SCS Engineers
SGS United Kingdom
Det Norske Veritas Climate Change Services AS
2008 portfolio
CO2 reductions
mT Metric ton (1mT = 2,204.6 lbs = 1.102 short tons)
Project types
FP
LFG
CE
Farm power
Landfill gas capture
Clean energy
Standards
CAR
CCX
REP
VCS2007
Climate Action Reserve
Chicago Climate Exchange (bilateral trades)
Renewable Energy Protocol
Voluntary Carbon Standard 2007
Verifiers
FE
RMA
RSGA
SES
SL
TUV
First Environment
Ryerson, Master and Associates
Richardson, Smith Gardner & Associates
SES Inc.
SingerLewak
TUV SUD Americas
2007 portfolio
CO2 reductions
mT Metric ton (1mT = 2,204.6 lbs = 1.102 short tons)
Project types
FP
LFG
CE
Farm power
Landfill gas capture
Clean energy
Standards
CCX
G-E REC
Chicago Climate Exchange (bilateral trades)
Green-e Energy Renewable Energy Certificate
Verifiers
FE
RSGA
SES
SL
First Environment
Richardson, Smith Gardner & Associates
SES Inc.
SingerLewak2006 Project Portfolio