NOTE: The files linked below include amendments and modifications to the PNNL contract and appendices. Modifications that change, delete, or add language to any portion of the prime contract (referred to as "M" Mods) will be posted after execution. Modifications that change the amount obligated by the Government (referred to as "A" Mods) are not posted unless they also change contract language, but are available upon request. These files are provided in this format as a convenience and this is not the official or archival copy of the contract. Although updated frequently, do not assume all modifications are included.

Mod Number Date Description
A1028 Obligation Notice 1031 - The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Electricity - Project Code 2006000.
A1029 Obligation Notice 1032 - The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Fossil Energy - Project Code 2003040.
A1026 Obligation Notice 1029 - The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - Project Code 2010000.
A1027 Obligation Notice 1030 - The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009.
A1014 The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 (Project Codes 2004160 and 2004170) for the Office of Energy Efficiency and Renewable Energy Federal Energy Management Program (FEMP) project as follows: "Enhance and Accelerate FEMP Service Functions to the Federal Government" (Project Code 2004160) and "Energy, Water & Emissions Reporting and Tracking System" (Project Code 2004170).
A1011 The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 (Project Code 2005060) for the Office of Advanced Scientific Computing Research project entitled "Advanced Scientific Computing Research - Computational Partnerships" (SciDAC-e). (Project Code 2005060).
A1007 The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 (Project Code 2005380) for the Office of Science Laboratories Infrastruture project entitled "GPP-Infrastructure Upgrades" (Project Code 2005380).
A951 The purpose of this modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Biological and Environmental Research projects entitled, "ARM Climate Research Facility Initiative" (Project Code 2005090) and "Environmental Molecular Sciences Laboratory" (Project Code 2005110).
A932 The purpose of this contract modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Department of Homeland Security (DHS) Non-Federal Work for Others project entitled, "Radiation Portal Monitors" (Project Code 000000).
A930 The purpose of this contract modification is to deobligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Science Nuclear Physics project entitled, "Enhanced Utilization of Isotope Facilities" (Project Code 2005230).
A925 The purpose of this contract modification is to deobligate funds under the American Recovery and Reinvestment Act of 2009 for the Office of Energy Science and Technology project entitled "ARRA High Performance Green Building Program".
A890 The purpose of this contract modification is to de-obligate funds from the American Recovery and Reinvestment Act of 2009 for the Office of Biological and Environmental project entitled, "Integrated Assessment Research" (Project Code 2005100).
A866 This contract modification is to authorize the extension of the due date for completion of Project Code 2005090 - ARM Climate Research Facility Initiative. No additional funding is provided; total obligations remain the amount obligated by DOE remains unchanged at $14,288,454,313.68. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2005090.
A841 The purpose of this contract modification is to authorize movement within previously obligated funds from the American Recovery and Reinvestment Act of 2009. No additional funding is provided; total obligations remain the amount obligated by DOE remains unchanged at $13,978,051,665.83. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2005090.
A814 The purpose of this contract modification is to authorize movement within previously obligated funds from the American Recovery and Reinvestment Act of 2009. No additional funding is provided; total obligations remain at $13,607,128,702.44. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2005090.
A780 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy - ARRA 48C Tax Credit Applications (Project Code 2004040).
A734 This contract modification authorizes movement within previously obligated funds from the American Recovery and Reinvestment Act of 2009. No additional funding is provided; total obligations remain at $12,920,441,890.51. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2005090.
A733 This contract modification authorizes movement within previously obligated funds from the American Recovery and Reinvestment Act of 2009. No additional funding is provided; total obligations remain at $12,920,441,890.51. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2004060.
A732 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Department of Health and Human Services (DHHS) National Institutes of Health (NIH) (Project Code 0000000).
A723 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Science, Office of Biological and Environmental Research - EMSL Recovery Act (Project Code 2005110).
A703 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Building and Appliances Market Transformation (Project Code 2004090).
A702 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Electricity Delivery and Energy Reliability - Smart Grid Investment Program (Project Code 2006000).
A690 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the General Services Administration - Non-Federal Work for Others Agreement for purposes of Lighting Technology and Green Building Rating System (Project Code 0000000).
A691 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the Department of Homeland Security - Non-Federal Work for Others Agreement for purposes of providing design review services for 16 Radiation Portal Monitors and Quality Control/Assurance verification/validation for RPMs at 32 Land Port of Entries (Project Code 0000000).
A693 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - High Efficiency Absorption Chilling Using Novel Metal Organic Heat Carriers (Project Code 2010000).
A692 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work for Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A689 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Fossil Energy (FE) - ARRA National Risk Assessment Partnership - Industrial Carbon Capture and Storage (Project Code 2003010).
A679 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work for Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A680 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work for Others Agreement for purposes of conducting research and development (Project Code 0000000).
A671 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Geothermal Technologies Program Project 20685 (Code 2004190).
A665 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the General Services Administration - Non-Federal Work for Others Agreement for purposes of developing, management and performance of a High Performance Green Energy Building Demonstration Program (Project Code 0000000).
A661 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Electricity Delivery and Energy Reliability - Smart Grid Investment Grant Program (EISA 1306) (Project Code 20600090).
A662 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - Reviewers for ARPA-E, Early Harvest Solicitation (Project Code 2010000).
A663 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Feedstocks Infrastructure Program (Project Code 2004020).
A664 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A647 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Feedstocks Infrastructure Program (Project Code 2004020).
A645 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable (EERE) - Geothermal Technologies (Project Code 2004190) and PV Systems Development (Project Code 2004430); move funding within the Feedstocks Infrastructure Program (Project Code 2004020) and de-obligate funds from Tax Credit Application Reviewers (Project Code 2004040).
A646 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A638 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A637 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A635 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Basic Energy Sciences - Energy Frontier Research Centers (Project Code 2005000).
A634 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A626 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy - National Accounts Acceleration in Support of the Commercial Buildings Initiative (Project Code 2004080).
A625 The purpose of this contract modification is to authorize transfers within previously obligated funds from the American Recover and Reinvestment Act of 2009. No additional funding is provided; total obligations remain at $12,560,784,331.15.
A613 This contract modification authorizes transfers within previously obligated funds from the American Recovery and Reinvestment Act of 2009. No additional funding is provided; total obligations remain at $12,560,784,331.15. The project code that should be used to track this Recovery Act funding in the Project section of the Accounting Flex Field in STARS/IDW is 2005110.
A612 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work For Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A611 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE)- B1-IBR FOA Support Activities (Project Code 2004000).
A610 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - Reviewers for ARPA-E (Project Code 20100000).
A608 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Building Technologies Program Residential Buildings (Project Code 2004060), Solid State Lighting Program (Project Code 2004100, Building and Appliances Market Transformation (Project Code 2004090), and Energy Feedstocks Initiative Program (Project Code 2004020).
A601 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Building Technologies Program Research and Development (Project Code 2004060), Solid State Lighting Program (Project Code 2004100) and Energy, Water & Emissions Reporting Tracking System (Project Code 2004170).
A590 This contract modification de-obligates funds from the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work for Others Agreement for purposes of conducting multiple research and development projects (Project Code 0000000).
A589 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Fossil Energy (FE) - ARRA Carbon Capture and Storage Regional Training (Project Code 2003040) and ARRA SW Regional Partnership Kansas Carbon Sequestration (Project Code 2003010).
A588 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Concentrating Solar Power (Project Code 2004420), PV Systems Development (Project Code 2004430) and Wind Energy Technology R&D and Testing (Project Code 2004480).
A587 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - National Accounts Acceleration in Support of the Commercial Buildings Initiative (Project Code 2004080) and Buildings and Appliance Market Transformation (Project Code 2004090).
A580 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Solid State Lighting (Project Code 2004100), National Accounts Acceleration in Support of the Commercial Buildings Initiative (Project Code 2004080) and Buildings and Appliance Market Transformation (Project Code 2004090).
A579 This contract modification obligates funds under the American Recovery and Reinvestment Act of 2009 for the National Institute of Health - Non-Federal Work for Others Agreement for purposes of conducting multiple research and development projects (project code 0000000).
A571 This contract modification realigns funding under the American Recovery and Reinvestment Act of 2009 for the Office of Biological and Environmental Research - the Atmospheric Radiation Measurement (ARM) Climate Research Facility initiative (ACRF) project (code 2005090).
A570 This contract modification obligates funding under the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy - ARRA 48C Tax Credit Applications (Project Code 2004040). These funds are distributed for the purposes of providing funding for technical reviewers from the laboratory to conduct both independent and merit reviews for evaluating and selecting Applications in response to IRS Notice 2009-72 entitled, "Qualifying Advanced Energy Project Credit."
A562 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Nuclear Physics - Enhanced Utilization of Isotope Facilities (Project Code 2005230).
A569 This contract modification realigns funding under the American Recovery and Reinvestment Act of 2009 for the Office of Biological and Environmental Research - Environmental Molecular Sciences Laboratory (EMSL) capital equipment project (code 2005110). Changes in major items of equipment (MIE) funding are necessary to support the Environmental Molecular Sciences Laboratory (EMSL) recapitalization project. Funding has been adjusted based on specific vendor price quotations.
A561 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - Reviewers for ARPA-E, Early Harvest Solicitation (Project Code 2010000).
A554 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Office of Geothermal Technologies - EGS R&D (Project Code 2004190).
A545 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Electricity Delivery and Energy Reliability - Smart Grid Investment Grant Program (EISA 1306) (Project Code 2060000).
A553 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy (EERE) - Enhance and Accelerate FEMP Service Functions to the Federal Government (Project Code 2004160).
A533 This contract modification deobligates funds from the American Recovery and Reinvestment Act of 2009 to the Office of Advanced Scientific Computing Research - Computational Partnerships SciDAC-e Program (Project Code 2005060).
A544 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Advanced Research Projects Agency - Energy (ARPA-E) - Reviewers for ARPA-E (Project Code 2010000).
A532 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Electricity Delivery and Energy Reliability - Smart Grid Investment Grant Project (Project Cod 2006000).
A530 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 to the Office of Advanced Scientific Computing Research - Computational Partnerships SciDAC-e Program (Project Code 2005060).
A527 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Environmental Molecular Sciences Laboratory (EMSL) capital equipment project (code 2005110), the Atmospheric Radiation Measurement (ARM) Climate Research Facility initiative (ACRF) project (code 2005090), and Biological and Environmental Research - Integrated Assessment Research project (code 2005100).
A531 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy Efficiency and Renewable Energy - B1-IBR FOA Support Activities (Project Code 2004000).
A529 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Office of Energy and Efficiency and Renewable Energy (ERRE) Feedstocks Infrastructure program (Project Code 2004020).
A516 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Basic Energy Sciences - Energy Frontier Research Centers (Project Code 2005000).
A513 This contract modification obligates funds from the American Recovery and Reinvestment Act of 2009 for the Federal Laboratory Support for Recovery Act Transactions ARRA FY 2009 (Project Code 2004040).
A510 This contract modification is to obligate funds from the American Recovery and Reinvestment Act of 2009 for the Environmental Molecular Sciences Laboratory (EMSL) capital equipment project (code 2005110) and the Atmospheric Radiation Measurement (ARM) Climate Research Facility initiative (ACRF) project (code 2005090).
A508 This Modification obligates funds from the American Recovery and Reinvestment Act of 2009 and incorporates associated terms and conditions.