About

The GRIFFIN lab is led by Professor Kyri Baker of the Civil, Environmental, and Architectural Engineering Department at the University of Colorado Boulder (CU Boulder). Our research topics include:

- Power systems operation, control, and planning
- Renewable energy integration
- Building-to-grid interactions
- Machine learning for buildings and the power grid
- Water-Energy Nexus studies
- Developing stochastic and distributed optimization techniques with energy applications
- Energy sustainability and resiliency, on Earth and beyond

News and Events

5/2020 Dr. Baker gave a seminar on how COVID-19 is affecting the electric power grid. [Video]

5/2020 Dr. Baker is now an editor for IEEE Transactions on Smart Grid.

5/2020 Our journal paper, "A Coordination Mechanism for Reducing Price Spikes in Distribution Grids", was accepted for publication in Energies.

4/2020 Dr. Baker received the AREN Faculty Appreciation Award, voted on by undergraduates. Thank you!

4/2020 Our journal paper, "Convex Relaxation of Grid-Connected Energy Storage System Models with Complementarity Constraints in DC OPF," was accepted for publication in IEEE Transactions on Smart Grid!

3/2020 Dr. Baker is a Guest Editor for a special issue "Special Issue "Building-to-Grid Integration through Intelligent Optimization and Control" in the journal Energies.

2/2020 Our ARPA-E Grid Optimization Competition team, Tartan Buffs, led by Dr. Baker, scored in the top ten in all categories with an award of $400,000! [Update: This position has been filled.] [ Press Release by the US Secretary of Energy] [CU Article]

2/2020 Our proposal "Optimal Co-Design of Integrated Thermal-Electrical Networks and Control Systems for Grid-interactive Efficient District (GED) Energy Systems" was funded for $4.16M to CU Boulder, led by Wangda Zuo. [Update: This position has been filled.] [Press Release]

11/2019 Congratulations to PhD student Kaitlyn Garifi for successfully passing her Comprehensive Exam!

10/2019 Dr. Baker and students travelled to Fort Collins to visit Colorado State University. Dr. Baker gave a seminar on her group's research.

10/2019 Dr. Baker travelled to the IEEE International Workshop on Machine Learning for Signal Processing conference in Pittsburgh, PA and presented work on learning warm start points for AC OPF.

10/2019 Dr. Baker gave a seminar at Carnegie Mellon University.

9/2019 Congratulations to PhD student Amy Allen for successfully passing her Comprehensive Exam!

8/2019 Dr. Baker traveled to Lehigh University and chaired and organized a session on Energy optimization at the Model and Optimization: Theory and Applications (MOPTA) conference.

8/2019/ Dr. Baker and Kaitlyn Garifi attended the IEEE Power and Energy Society general meeting in Atlanta. Dr. Baker chaired a session on smart buildings and loads and Kaitlyn presented her research.

7/2019 Welcome PhD students Jacob Kravits and Sung Min Kim to the team! They will be co-advised by Prof. Joe Kaspryzk.

5/2019 We were awarded a $45,682 seed grant through the CU Boulder Water Energy Nexus for our project, "Drought-Contingent Regional Coordination of Thermoelectric Power Plants," with Kasprzyk (PI), Baker, Livneh, and Stillwell (UIUC).

4/2019 The CU Boulder team, advised by Dr. Baker, received the Most Innovative Design award at the NASA BIG Idea Challenge! [Article] [Picture]

4/2019 Students Kaitlyn Garifi and Amy Allen presented their research at the Rosenfeld Symposium in Berkeley, CA.

4/2019 Dr. Baker attended the Autonomous Energy Systems Workshop in Golden, CO.

4/2019 Congratulations to Zac Peterson for successfully defending his Masters thesis!

4/2019 We attended the 2019 Architectural Engineering Institute conference and Amy and Sameera presented their research.

4/2019 We attended the 2019 Century Energy Transition Symposium in Denver, CO. [Pic]

3/2019 Our journal paper, Joint Chance Constraints in AC Optimal Power Flow: Improving Bounds through Learning", was approved for publication in IEEE Transactions on Smart Grid.

3/2019 A very nice article about Dr. Baker's new class, Grid Connected Systems, was published. [Link]

11/2018 Dr. Baker presented our work at IEEE GlobalSIP (Anaheim, CA) and INFORMS (Phoenix, AZ).

11/2018 Dr. Baker (PI) and Dr. Mohammadi (Carnegie Mellon) were one of ten university-led teams selected to receive funding to participate in the ARPA-E Grid Optimization (GO) Competition and will receive $249,178 to develop algorithms to improve the operation of the electric power grid. [Press Release] [CU article]

10/2018 Our journal papers, ``Data-based distributionally robust stochastic optimal power flow, Part I: Methodologies" and ``Part II: Case Studies" were accepted into IEEE Transactions on Power Systems.

10/2018 Led by Prof. Liel, we were awarded a $895,500 grant from the Department of Education for our Graduate Assistance in Areas of National Need (GAANN) project, "Integrative Reengineering of Infrastructure for Tomorrow's Communities." [link]

9/2018 Our paper, "Joint Chance Constraints Reduction through Learning in Active Distribution Networks," was accepted for presentation at the 6th IEEE Global Conference on Signal and Information Processing (GlobalSIP).

9/2018 Dr. Baker gave a talk titled "Chance Constraints for Smart Grids and Smarter Buildings," to the Statistics, Optimization, and Machine Learning Seminar at CU Boulder.

8/2018 Our journal paper, "MAFSA: Mars Autonomous and Foldable Solar Array," was accepted for publication in New Space.

6/2018 Our abstract, "Operating Under Uncertainty in Smart Communities," was accepted for Oral Presentation a the 2018 INFORMS Annual Meeting.

4/2018 PhD Student Kaitlyn Garifi received the 2018 ECEE Department Silver Award for Research. Congrats Kaitlyn!

3/2018 Our paper, "Power Signature Obfuscation using Flexible Building Loads," was a honorable mention for Best Paper Award at the 2018 Non-Intrusive Load Monitoring (NILM) Workshop in Austin, TX. [Video]

3/2018 The CU Boulder NASA BIG Idea team, led by Dr. Baker, placed second during the final competition at NASA Glenn. The students were awarded internships at NASA. [NASA Press Release]

2/2018 Dr. Baker (PI) and Dr. Frongillo (co-PI) were awarded $19,197 through the University of Colorado, Boulder, for their project "Reducing Water Consumption via Free Market Renewable Integration." [link]

12/2017 The CU Boulder NASA BIG Idea Challenge team, advised by Dr. Baker, has been accepted as one of the final 5 teams to pitch their idea for a Martian solar array to NASA in person! Press release here, article here.

11/2017 Our abstract, "A Guide for the use of Internet Memes in Engineering Education," has been approved for the 2018 American Society of Engineering Education Zone IV Conference.

9/2017 Our paper, "Efficient Relaxations for Joint Chance Constrained AC Optimal Power Flow" was listed as the third most popular article on social media from Elsevier's Electric Power Systems Research Journal.

9/2017 PhD Student Kaitlyn Garifi received the Strauch Family Graduate Fellowship. Congrats Kaitlyn!

8/2017 Dr. Baker started as an Assistant Professor of Civil, Environmental, and Architectural Engineering at CU Boulder.

[News Archive]

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Lab Director, Dr. Kyri Baker



Photos and Articles

A fresh rooftop solar installation (2019)




Award-winning, all-women team, spanning 5 departments at the NASA BIG Idea Challenge (2019)




CU's first class on building-to-grid interactions (2019)




CU at the AEI Conference (2019)


Some of our team at NREL (2018)


Award-winning NASA BIG Idea Challenge team (2018)


American Society for Engineering Education (ASEE) Conference (2018)