About Us

Since 2018, Erthe Energy Solutions has been committed to helping our clients solve their biggest challenges and make our collective future better. We are a team of thoughtful and creative problem-solvers with deep industry knowledge and practical project management, operations, and business expertise. With roots in energy efficiency, we are known for innovating, solving, and doing with the goal of creating lasting change for our clients.

Our Mission

We strive to solve the toughest clean energy challenges to start and sustain lasting change.

WOSB Certified

Erthe Energy Solutions is proud to be certified as a Women-Owned Small Business (WOSB) by the U.S. Small Business Administration.

Our Values

Our team and partners are our biggest strength, that’s why our company values are about bringing out the best in each other.

Communication

When everyone knows where we’re going, we get there a lot faster

Diversity

We respect, value, and support each other’s differences, and do better work because of it

Innovation

We lead through the uncertainty of exploring the unknown and building something new

Partnership

We’re purposefully nimble—instead of rapid growth from within we believe in creating a community with other small and diverse businesses where we all succeed

Quality

Everything from the biggest idea to the smallest detail is done with intention

Trust

We listen to understand, speak with honesty, and do what we promise

Our Team

Selena Worster Walde

CEO and Co-Owner

Lydia Mezey West

COO and Co-Owner

Bryan Haney

Principal

Neb Kisic

Principal

Alexis Rosen

Senior Project Manager

Rekha Kumar

Project Analyst

Join Our Team

Interested in joining the team? Check out our open positions or send us your resume.

Trusted Partners

We are proud of the diverse, forward-thinking companies we partner with to bring the best minds to the toughest challenges.

 

Selena Worster Walde

CEO and Co-Owner

Selena has 20 years of experience in energy efficiency and construction project management, strategic planning, leadership, process improvement, and innovation. She has built and managed teams ranging from three to sixty and continues to mentor professionals at all levels of the energy efficiency industry, from entry-level to business owners. At ERTHE, Selena leads the team providing administration, implementation, and strategic consulting services for utility and clean energy clients.

Education: Master of Science, Civil Engineering at University of Illinois, Urbana-Champaign in 2002
Accreditations: Licensed Professional Engineer, IL and Gallup® Successful Strengths Coaching

Lydia Mezey West

COO and Co-Owner

Lydia has over 25 years of experience in project management, business financials and operations, and corporate systems and processes. Her specialty is providing time-sensitive operational support, such as developing standard operating procedures for a company transitioning into the lead role for a state-wide program. At ERTHE, Lydia provides consulting services to private commercial clients, specializing in spin-off and start-up operations and critical system re-alignment or retirement.

Education: Master of Business Administration at The American University in 2001

Anna Allenstein

Principal

Anna has over 14 years of experience in the energy and sustainability industries, including program administration, management, trade ally network optimization, and marketing strategy and process. She excels at providing strategic-level guidance and support to our partners and clients to address custom needs, with a focus on market insights and positioning. This includes rapidly understanding challenges, crafting and deploying elegant solutions, and working with clients to ensure those solutions meet their needs. At ERTHE, Anna manages custom services for our utility and clean energy clients, applying her talent of creative problem solving to help our clients succeed in areas with unclear goals and extra complexity.

Education: Master of Urban Planning and Policy at the University of Illinois, Chicago in 2012

Accreditations: Certificate in Geospatial Analysis and Visualization from the University of Illinois, Chicago in 2012 and Clean Energy Leadership Institute (CELI) Fellow in 2021

Bryan Haney

Principal

Bryan has over 15 years of experience leading teams to develop and administer large utility-funded programs, integrate software, and engage end-use customers in the clean energy sector. He has specific experience working with utilities, Information Technology vendors, and software developers to address strategic challenges related to cybersecurity, call center operations, program data management, and customer service. At ERTHE, Bryan manages projects for our utility and clean energy clients, leverages mapping software to provide insights, and fosters strategic partnerships.

Education: Master of Energy & Environmental Policy at the University of Delaware in 2010
Accreditations: Geographic Information Systems Certificate from Utah State University in December 2022

Neb Kisic

Principal

Neb’s 17 years of experience spans both utility-side leadership and consulting program delivery, allowing him to operate fluently at the intersection of vision, execution, and client success. His career has organically progressed from engineering design and energy auditing to operations and portfolio administration, implementation, and consulting. At ERTHE, Neb manages projects for our utility and clean energy clients, ranging from strategic consulting to effectively administering programs and portfolios.

Education: Master of Business Administration at Kelley School of Business, Indiana University in 2018
Accreditations: Licensed Professional Engineer, IL

Alexis Rosen

Senior Project Manager

Alexis has 15 years of experience in the energy and sustainability industries. She is a proven performer in driving growth in untapped markets while overseeing daily business operations of existing programs. She excels at creating collaborative environments and managing teams to achieve business goals. At ERTHE, Alexis manages projects for our utility and clean energy clients, focusing on strategic assessment, selection of potential options, program design, launch and continued implementation, and client management.

Education: Bachelor of Science, Industrial Engineering at University of Michigan in 2005

Rekha Kumar

Project Analyst

Rekha has more than 10 years of experience as an urban planner and sustainability champion. Her extensive skills in design, development, spatial planning, problem-solving, research, and data analysis enhance our team’s capabilities. She excels at crafting visualizations using powerful data analysis software, enabling clients and their teams to easily understand program and portfolio performance. At ERTHE, Rekha utilizes her attention to detail to provide our utility and clean energy clients with robust data analysis and high-quality results, ensuring data accuracy for reporting and client dashboards.

Education: Master of Community Planning at the University of Cincinnati, Ohio in 2009
Accreditations: American Institute of Certified Planners (AICP)