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eSai LLC is a leading provider of clima-tech/clean energy technology and professional services, including energy conservation, energy efficiency, demand flexibility and grid-edge technologies.  eSai  provides utility, Government, Industrial and Commercial customers with comprehensive solutions to clean energy management and carbon footprint reduction. We distinguish ourselves with unique capabilities to educate and recruit clients leading to design, develop, construct and manage their clean energy projects.  For example, in the hard-to-tackle industrial sector, eSai employs Six Sigma stage-gated processes to lean and green the manufacturing steps where-in the energy consumption is excessive.  Also, eSai’s highly experienced/trained staff can offer solutions to use ISO 5000, Superior Energy Performance (DoE-SEP), Climate-Council’s Leadership Program (CCLP™) or Six Sigma Black Belt methodologies to tailor-make solutions to fit the clients’ needs.  eSai was founded in 2011 in Maryland and since then has contributed to over 50 MW of greener power through its services in the design and engineering of CHP, microgrid and other distributed energy services also.  For the above reasons, eSai received the “Woman-owned Small Business of the Year” award by the MD-SBA in 2018 and the “Innovative Small Business of the Year” award by the Greater Baltimore Business Council in 2016, among others.  eSai is an 8(a) and Woman-Owned Small Business (EDWOSB) as certified by the US-SBA and a Maryland Small Business participating in the Small Business Reserve Program.

Our Expertise


Distributed Energy Services

Combined Heat and Power


ISO 50001

Net Zero Energy/Carbon

Grid Interactive Buildings

Alternate Fuels


Climate Impact

Tax Credits/Deductions

State/Federal Regulations

Program Implementation

New Program Innovation

New Building Design

Grid Modernization



Energy Modeling

Incentive/Grant Applications

Environmental Permits

GHG Emission studies

Engineering Studies

Energy Audits

More About Us

eSai LLC maintains registration with the federal System for Award Management (SAM), and is an 8(a) and Economically-Disadvantaged Woman-Owned Small Business (EDWOSB)  as certified by the U.S. Small Business Administration under NAICS code 541330 and 541690  for Professional Engineering Services. We are also certified as a Small Business in the state of Maryland’s Small Business Reserve Program (SBR). While we qualify with these entities as a Small Business, we have the resources to provide full service design on large scale and complex projects.