The International Biomass Rating Agency
05/27/2026 Cavalier County, ND BDO Zone Rated 'A' for Canola Seed
04/23/2026 Malheur County, OR BDO Zone Rated 'A' for Dairy & Feedlot Manure
03/31/2026 Placer County, CA BDO Zone Rated 'A' for Wood Biomass
03/31/2026 Nevada County, CA BDO Zone Rated 'A' for Wood Biomass
03/31/2026 El Dorado County, CA BDO Zone Rated 'A' for Wood Biomass
03/25/2026 Laurel County, KY BDO Zone Rated 'A' for Wood Biomass
09/18/2025 Esterhazy, SK BDO Zone Rated 'A' for Flax Straw
09/05/2025 Ashtabula, OH BDO Zone Rated 'BB' for Miscanthus Biomass
03/12/2025 Southeast Kansas, KS BDO Zone Rated 'BBB' for Corn Stover
02/25/2025 Point Coupee, LA BDO Zone Rated 'A' for Wood Biomass
02/19/2025 Kemper County, MS BDO Zone Rated 'A' for Wood Biomass
01/06/2025 Prince of Wales Island, AK BDO Zone Rated 'BB' for Wood Biomass
12/20/2024 Cameron County, PA BDO Zone Rated 'A' for Wood Biomass
11/25/2024 San Juan, UT BDO Zone Rated 'BB' for Wood Biomass
11/25/2024 Sac County, IA BDO Zone Rated 'A' for Corn Stover
10/31/2024 Beasejour-Brokenhead, MB BDO Zone Rated 'A' for Wheat Straw
09/23/2024 Falls City, NE BDO Zone Rated 'A' for Corn Stover
07/23/2024 Vegreville, AB BDO Zone Rated 'A' for Wheat Straw
07/16/2024 Mason City, IA BDO Zone Rated 'A' for Corn Stover
06/21/2024 Caledonia, VT BDO Zone Rated 'A' for Wood Biomass
06/04/2024 Barry, MI BDO Zone Rated 'A' for Wood Biomass
05/30/2024 Lesser Slave, AB BDO Zone Rated 'BBB' for Wood Biomass
05/10/2024 Flagstaff, AB BDO Zone Rated 'A' for Wheat Straw
05/01/2024 Conecuh, AL BDO Zone Rated 'A' for Wood Biomass
04/29/2024 Swan River, MB BDO Zone Rated 'BBB' for Wood Biomass
04/29/2024 Wyoming, PA BDO Zone Rated 'A' for Wood Biomass
04/24/2024 Butte, CA BDO Zone Rated 'BBB' for Wood Biomass
04/17/2024 Chippewa, WI BDO Zone Rated 'A' for Corn Stover
04/11/2024 Grenada, MS BDO Zone Rated 'A' for Wood Biomass
04/02/2024 Little Colorado RIver, AZ BDO Zone Rated 'A' for Wood Biomass
03/01/2024 Emporia, KS BDO Zone Rated 'BBB' for Corn Stover
02/14/2024 Quesnel, BC BDO Zone Rated 'A' for Wood Biomass
02/12/2024 Rayville, LA BDO Zone Rated 'A' for Wood Biomass
02/07/2024 Renfrew, ON BDO Zone Rated 'AA' for Wood Biomass
01/22/2024 Coconino, AZ BDO Zone Rated 'A' for Wood Biomass
01/09/2024 Region 9, MN BDO Zone Rated 'A' for Corn Stover
12/20/2023 Lewis County, WA BDO Zone Rated 'AA' for Wood Biomass
12/14/2023 North San Joaquin, CA BDO Zone Rated 'AA' for Orchard Biomass
12/12/2023 Toombs, GA BDO Zone Rated 'AA' for Wood Biomass
10/18/2023 Greenview/Grande Prairie, AB BDO Zone Rated 'A' for Wood Biomass
09/20/2023 SW Nova Scotia, NS BDO Zone Rated 'A' for Wood Biomass
08/24/2023 Tazewell, VA BDO Zone Rated 'A' for Wood Biomass
07/27/2023 GreenBrier, WV BDO Zone Rated 'AA' for Wood Biomass
07/18/2023 Summit County, UT BDO Zone Rated 'A' for Wood Biomass
07/10/2023 Logan County, CO BDO Zone Rated 'A' for Wheat Straw
06/23/2023 Matawinie, QC BDO Zone Rated 'A' for Wood Biomass
06/16/2023 Trois Rivieres, QC BDO Zone Rated 'A' for Wood Biomass
06/14/2023 Sarnia-Lambton, ON BDO Zone Rated 'A' for Corn Stover
05/19/2023 Clarksville, AR BDO Zone Rated 'AA' for Poultry Litter
04/24/2023 Natchez, MS BDO Zone Rated 'AA' for Wood Biomass
04/06/2023 Coronach, SK BDO Zone Rated 'A' for Flax Straw
03/02/2023 Estevan, SK BDO Zone Rated 'A' for Wheat Straw
10/19/2022 Bon Wier, TX BDO Zone Rated 'AA' for Wood Biomass
08/18/2022 Libby, MT BDO Zone Rated 'A' for Wood Biomass
01/17/2022 Barnwell County, SC BDO Zone Rated 'A' for Wood Biomass
10/18/2021 Siloam Springs, AR BDO Zone Rated 'A' for Poultry Litter
06/12/2021 Arlington, OR BDO Zone Rated 'A' for MSW
11/26/2020 Melville, SK BDO Zone Rated 'A' for Wheat straw
BDO Zone Ratings are opinions about regional biomass risk.
IBRA sets the standard for Biofuel Development Opportunity (BDO) Zone Ratings, providing critical opinions that support the bioenergy sector. By delivering reliable data and expert analysis, IBRA helps businesses and investors make informed decisions, fostering market stability and sustainable growth.
BDO Zone Ratings are essential for ensuring regions have optimal feedstock, supply chain and infrastructure conditions for new biomanufacturing. By providing a standardized measure of key performance metrics, ratings drive investment, and catalyze economic growth in the renewable energy sector.
Why IBRA?
Analytical Independence
IBRA implements strict separation between commercial operations and analytical functions. Rating determinations are made exclusively through committee consensus following systematic review processes. Analyst compensation structures are designed to eliminate outcome-based incentives that could compromise analytical objectivity.
Market Neutrality
IBRA does not participate in biomass project development, trading activities, or transaction facilitation. This institutional separation prevents conflicts that could impair rating integrity or create perception of bias among market participants.
Public Disclosure
Final ratings are published simultaneously to all market participants, supporting efficient price discovery and transparent risk assessment. IBRA considers standardized risk metrics a fundamental market infrastructure component while reserving detailed analysis for subscribing institutions.
Standardized Fee Structure
All rating engagements follow a uniform fee schedule established prior to analysis commencement, with no contingent payment elements. This structure acknowledges the multi-stakeholder nature of ratings utilization while preserving analytical independence throughout the assessment process.
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Why BDO Zone Ratings?
Addressing Critical Market Inefficiency​
Rapid bioeconomy expansion is essential for decarbonization and rural development, but information asymmetry between biomass-rich communities and bio-project developers creates inefficiencies, extended timelines, and impeded capital formation.
BDO Zone ratings resolve this market failure through standardized, independent assessments that identify “biomanufacturing-ready” regions, enabling efficient capital-biomass matching and catalyzing scale-up of the multitrillion dollar global bioeconomy.
Getting a Rating
Rating Process
IBRA delivers regional biomass assessments that evaluate expected performance across various market conditions. Our methodology involves a structured 10-step approach, ensuring thorough evaluation from initial inquiry through final publication. This systematic process maintains analytical rigor and delivers reliable biomass opinions.
Our Approach
Rating Methodology
IBRA utilizes a comprehensive assessment approach designed to evaluate regional bioeconomy readiness. Our methodology ensures consistent, transparent evaluation of regional assets including feedstock availability, infrastructure capacity, supply chain readiness, and market accessibility to support informed investment decisions in the bioeconomy sector.