Koomey Analytics (formerly Analytics Press) creates quantitative analyses, data, training classes, books, and peer-reviewed publications for academic, non-profit, and corporate clients who really want to get the numbers right. Primary research topics include data centers, trends in information technology, climate solutions, scenario analysis, and critical thinking skills.

For more on the Koomey Analytics team, go to About. To get in touch, go to Contact.

Eight pillars of climate action, taken from Koomey and Monroe 2022. Solving Climate Change: A Guide for Learners and Leaders. Bristol, UK: IOP Publishing. December. http://www.solveclimate.org

Data centers

• Koomey, Jonathan, and Karl Freund. 2024. Digital twins for digital infrastructure: The key to optimizing data center operations. Koomey Analytics and Cambrian AI Research. September. [https://www.mediafire.com/file_premium/gs0unfjvcbb1ii3/Digital_twins_for_digital_infrastructure-FINAL.pdf/file]
• Luers, Amy, Jonathan Koomey, Eric Masanet, Owen Gaffney, Felix Creutzig, Juan Lavista Ferres, and Eric Horvitz. 2024. "Will AI accelerate or delay the race to net-zero emissions?" Nature. vol. 628, April 22. pp. 718-720. [https://doi.org/10.1038/d41586-024-01137-x]
• Masanet, Eric, Nuoa Lei, and Jonathan Koomey. 2024. "To better assess, monitor, and project AI’s growing electricity demand, energy analysts need a data revolution." Joule. [https://doi.org/10.1016/j.joule.2024.07.018]
• Masanet, Eric, Arman Shehabi, Nuoa Lei, Sarah Smith, and Jonathan Koomey. 2020. "Recalibrating global data center energy-use estimates." Science.vol. 367, no. 6481. Feb 28. pp. 984. [http://science.sciencemag.org/content/367/6481/984.abstract]
• Schuetz, Nicole, Anna Kovaleva, and Jonathan Koomey. 2013. eBay: A Case Study of Organizational Change Underlying Technical Infrastructure Optimization. Stanford, CA: Steyer-Taylor Center for Energy Policy and Finance, Stanford University. September 26. [http://www.mediafire.com/view/8ema554a2ho9ifj/Stanford_eBay_Case_Study-_FINAL-130926.pdf]
• Masanet, Eric, Arman Shehabi, and Jonathan Koomey. 2013. "Characteristics of Low-Carbon Data Centers." Nature Climate Change.vol. 3, no. 7. July. pp. 627-630. [http://dx.doi.org/10.1038/nclimate1786]
• Koomey, Jonathan. 2008. "Worldwide electricity used in data centers." Environmental Research Letters. vol. 3, no. 034008. September 23. [http://stacks.iop.org/1748-9326/3/034008]

Trends in information technology

• Koomey, Jonathan, and Eric Masanet. 2021. "Does not compute: Avoiding pitfalls assessing the Internet’s energy and carbon impacts." Joule. vol. 5, no. 7. June 24. pp. 1625-1628. [https://www.sciencedirect.com/science/article/abs/pii/S2542435121002117]
• Lei, Nuoa, Eric Masanet, and Jonathan Koomey. 2021. "Best practices for analyzing the direct energy use of blockchain technology systems: Review and policy recommendations." Energy Policy. vol. 156, 2021/09/01/. pp. 112422. [https://www.sciencedirect.com/science/article/pii/S0301421521002925]
• Koomey, Jonathan. 2019. Estimating Bitcoin Electricity Use: A Beginner’s Guide. Washington, DC: Coin Center. May 7. [https://coincenter.org/entry/bitcoin-electricity]
• Aslan, Joshua, Kieren Mayers, Jonathan G Koomey, and Chris France. 2018. "Electricity Intensity of Internet Data Transmission: Untangling the Estimates." The Journal of Industrial Ecology. vol. 22, no. 4. August. pp. 785-798. [https://doi.org/10.1111/jiec.12630]
• Koomey, Jonathan, and Samuel Naffziger. 2016. "Energy efficiency of computing: What’s next?" In Electronic Design. November 28. [http://electronicdesign.com/microprocessors/energy-efficiency-computing-what-s-next]
• Koomey, Jonathan G., H. Scott Matthews, and Eric Williams. 2013. "Smart Everything: Will Intelligent Systems Reduce Resource Use?" The Annual Review of Environment and Resources. vol. 38, October. pp. 311-343. [http://arjournals.annualreviews.org/eprint/wjniAGGzj2i9X7i3kqWx/full/10.1146/annurev-environ-021512-110549]
• Koomey, Jonathan G., Stephen Berard, Marla Sanchez, and Henry Wong. 2011. "Implications of Historical Trends in The Electrical Efficiency of Computing." IEEE Annals of the History of Computing. vol. 33, no. 3. July-September. pp. 46-54. [http://doi.ieeecomputersociety.org/10.1109/MAHC.2010.28]
• Koomey, Jonathan, Chris Calwell, Skip Laitner, Jane Thornton, Richard E. Brown, Joe Eto, Carrie Webber, and Cathy Cullicott. 2002. "Sorry, wrong number: The use and misuse of numerical facts in analysis and media reporting of energy issues." In Annual Review of Energy and the Environment 2002. Edited by R. H. Socolow, D. Anderson and J. Harte. Palo Alto, CA: Annual Reviews, Inc. (also LBNL-50499). pp. 119-158. [http://www.annualreviews.org/doi/abs/10.1146/annurev.energy.27.122001.083458]

Climate solutions

• Koomey, Jonathan, Zachary Schmidt, Karl Hausker, and Dan Lashof. 2023. "Abandon the idea of an "optimal economic path" for climate policy." Invited Commentary for WIREs Climate Change. vol. 14, e850, no. 6. July 2. [http://doi.org/10.1002/wcc.850]
• Gordon, Deborah, Jonathan Koomey, Adam Brandt, and Joule Bergerson. 2022. Know your oil and gas: Generating climate intelligence to cut petroleum industry emissions. Boulder, CO: Rocky Mountain Institute. June 21. [https://rmi.org/insight/kyog/]
• Koomey, Jonathan, and Ian Monroe. 2022. Solving climate change: A guide for learners and leaders. Bristol, UK: IOP Publishing. [http://www.solveclimate.org]
• Koomey, Jonathan. 2013. "Moving Beyond Benefit-Cost Analysis of Climate Change." Environmental Research Letters. vol. 8, no. 4. December 2. [http://iopscience.iop.org/1748-9326/8/4/041005/]
• Koomey, Jonathan, et al. 2010. "Defining a standard metric for electricity savings." Environmental Research Letters. vol. 5 014017, no. 1. January-March. [http://iopscience.iop.org/1748-9326/5/1/014017]
• Koomey, Jonathan G., and Nathan E. Hultman. 2007. "A reactor-level analysis of busbar costs for U.S. nuclear plants, 1970-2005." Energy Policy. vol. 35, no. 11. November. pp. 5630-5642. [http://dx.doi.org/10.1016/j.enpol.2007.06.005]

Scenario analysis

• Koomey, Jonathan, Zachary Schmidt, Karl Hausker, and Dan Lashof. 2023. "Abandon the idea of an "optimal economic path" for climate policy." Invited Commentary for WIREs Climate Change. vol. 14, e850, no. 6. July 2. [http://doi.org/10.1002/wcc.850]
• Koomey, Jonathan, Zachary Schmidt, Karl Hausker, and Dan Lashof. 2022. "Exploring the black box: Applying macro decomposition tools for scenario comparisons." Environmental Modeling and Software. vol. 155, September. [https://doi.org/10.1016/j.envsoft.2022.105426]
• Koomey, Jonathan, Zachary Schmidt, Holmes Hummel, and John Weyant. 2019. "Inside the Black Box: Understanding Key Drivers of Global Emission Scenarios." Environmental Modeling and Software. vol. 111, no. 1. January. pp. 268-281. [https://www.sciencedirect.com/science/article/pii/S1364815218300793]
• Koomey, Jonathan. 2013. "Moving Beyond Benefit-Cost Analysis of Climate Change." Environmental Research Letters. vol. 8, no. 4. December 2. [http://iopscience.iop.org/1748-9326/8/4/041005/]
• Scher, Irene, and Jonathan G. Koomey. 2011. "Is Accurate Forecasting of Economic Systems Possible?" Climatic Change. vol. 104, no. 3-4. February. pp. 473-479. [http://link.springer.com/article/10.1007%2Fs10584-010-9945-z]
• Hirsh, Richard F., and Jonathan G. Koomey. 2015. "Electricity Consumption and Economic Growth: A New Relationship with Significant Consequences?" The Electricity Journal. vol. 28, no. 9. November. pp. 72-84. [http://www.sciencedirect.com/science/article/pii/S1040619015002067]
• Ghanadan, Rebecca, and Jonathan Koomey. 2005. "Using Energy Scenarios to Explore Alternative Energy Pathways in California." Energy Policy. vol. 33, no. 9. June. pp. 1117-1142. [http://www.sciencedirect.com/science/article/pii/S0301421503003501]
• Koomey, Jonathan G., Paul Craig, Ashok Gadgil, and David Lorenzetti. 2003. "Improving long-range energy modeling: A plea for historical retrospectives." The Energy Journal (also LBNL-52448). vol. 24, no. 4. October. pp. 75-92. [http://www.iaee.org/en/publications/ejarticle.aspx?id=1420]
• Craig, Paul, Ashok Gadgil, and Jonathan Koomey. 2002. "What Can History Teach Us? A Retrospective Analysis of Long-term Energy Forecasts for the U.S." In Annual Review of Energy and the Environment 2002. Edited by R. H. Socolow, D. Anderson and J. Harte. Palo Alto, CA: Annual Reviews, Inc. (also LBNL-50498). pp. 83-118.

Critical thinking skills

• Koomey, Jonathan. 2017. Turning Numbers into Knowledge: Mastering the Art of Problem Solving. 3rd ed. El Dorado Hills, CA: Analytics Press. [http://amzn.to/2wY1m7x]
• Koomey, Jonathan. 2014. "Separating Fact from Fiction: A Challenge for The Media." In IEEE Consumer Electronics Magazine. January. pp. 9-11. [https://www.koomey.com/koomey_blog/separating-fact-from-fiction---a-challenge-for-the-media]
• Koomey, Jonathan, Chris Calwell, Skip Laitner, Jane Thornton, Richard E. Brown, Joe Eto, Carrie Webber, and Cathy Cullicott. 2002. "Sorry, wrong number: The use and misuse of numerical facts in analysis and media reporting of energy issues." In Annual Review of Energy and the Environment 2002. Edited by R. H. Socolow, D. Anderson and J. Harte. Palo Alto, CA: Annual Reviews, Inc. (also LBNL-50499). pp. 119-158. [http://www.annualreviews.org/doi/abs/10.1146/annurev.energy.27.122001.083458]