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Energy and Environmental Economics

Energy and environmental economics consultancy

Overview

Energy and Environmental Economics (E3) provides data-driven consulting at the energy-environment-economics nexus, helping clients plan and run renewable energy systems and design policies for a decarbonized economy. Its work uses modeling, data analysis, and expert guidance for both public and private sectors, spanning utilities, market operators, distributed resources, and transmission. E3 differentiates itself with a long track record (since 1989), intellectual honesty, and broad experience across policy, market design, and technical operations, supported by being a Willdan Group subsidiary. Its goal is to help clients implement policies, planning, and operations that advance a fully decarbonized energy system.

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About Energy and Environmental Economics

Simplify's Rating
Why Energy and Environmental Economics is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Data & AnalyticsConsultingEnergy

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

San Francisco, CA

Founded

1989

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What believers are saying

  • Illinois Commerce Commission publicly released E3-supported gas decarbonization pathways on November 5, 2026.
  • Demand-response and market-reliability studies for MISO and PJM broaden E3's critical-grid relevance.
  • RECOST's July 2026 update and new forecast portal strengthen productized analytics and repeat sales.

What critics are saying

  • E3's consulting revenue depends on utility budgets and regulatory cycles, not recurring software.
  • Competitors like DNV, ICF, and Brattle attack the same decarbonization and forecasting work.
  • If utilities internalize planning tools, E3's premium advisory model loses differentiation by 2027.

What makes Energy and Environmental Economics unique

  • E3 launched a Distribution Planning and Technology practice on January 27, 2026.
  • E3 released its second 2026 market price forecasts on November 2, 2026.
  • E3 opened a Chicago office on July 16, 2026, deepening Midwest utility access.

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Benefits

  • 401(k) Retirement Plan
  • Flexible Paid Time Off
  • Health Insurance
  • Health Savings Accounts and Flexible Spending Accounts
  • Short-term and long-term disability
  • Professional Development Budget
  • Relocation Assistance
  • Up to 12 weeks paid parental leave
  • Mentorship Program
  • Employee Referral Bonus
  • Commuter Benefits

Company News

Charged EVs
Mar 10th, 2025
Rhythmos.io collaborates with E3 to study effects of EV charging on grid infrastructure

EV charging optimization platform Rhythmos.io has partnered with Energy and Environmental Economics (E3), an energy and environmental consulting company headquartered in San Francisco, to conduct a research study that examined unmanaged, passively managed and optimized charging scenarios in utility service territories in two regions of the country to gain an understanding of potential impacts and savings opportunities.

CleanTechnica
Jun 23rd, 2024
California: $20 Billion Potential Savings From Targeted Electrification

Sign up for daily news updates from CleanTechnica on email. Or follow us on Google News!New analysis shows targeted electrification could save Californians more than $20 billion in gas pipeline costs by 2045 while tackling climate emissions. The transition from gas heating appliances to clean, efficient electric heat pumps is already underway in California — yet gas utilities continue to spend millions of dollars each year to replace gas pipelines. As California transitions to all-electric appliances, which is the most cost-effective way to reduce pollution from our buildings, state leaders face a pivotal choice: Keep pouring billions into new gas infrastructure that is likely to be underutilized or realign our spending with the clean energy transition. New analysis from Energy + Environmental Economics (E3) shows just how enormous the financial stakes are

E3 - Energy and Environmental Economics, Inc.
Jun 21st, 2023
E3 Advises Blackstone Infrastructure Partners on $2.15 Billion Acquisition of Minority Equity Interest in NIPSCO

Ethree has created a best-in-class toolkit applicable to any electric and gas utility across the U.S. that serves as a robust analytical yet fully transparent foundation that leverages the collective knowledge and continuous insights generated across teams here at E3.

Mondaq
May 12th, 2023
Texas Wholesale Electricity Market Redesign

On November 10, 2022, the Commission's retained consultant, Energy and Environmental Economics, Inc. ("E3"), released its " Assessment of Market Reform Options to Enhance Reliability of the ERCOT System," The report developed and analyzed six market design options:

Business Wire
Dec 21st, 2022
New Study Outlines Pathways To Achieve Illinois’ Goal Of Full, Economy-Wide Decarbonization By 2050

CHICAGO--(BUSINESS WIRE)--National sustainability consulting firm Energy and Environmental Economics, Inc. (E3) today released a study that outlines pathways for Illinois to achieve full, economy-wide decarbonization in Illinois by 2050, consistent with the state’s pledge as part of the U.S. Climate Alliance to pursue the Paris Agreement. The study accounts for the significant progress expected as a result of the state’s Climate and Equitable Jobs Act (CEJA), which aims to decarbonize the power sector and accelerate transportation electrification, as well as the federal Inflation Reduction Act (IRA).The study found that, while CEJA and the IRA will reduce greenhouse gas (GHG) emissions in Illinois, more action – particularly in the transportation and buildings sectors – will be needed to achieve net-zero carbon emissions by 2050. Decarbonization refers to the process of lowering GHGs produced by fossil fuel combustion, often through the electrification of transportation, buildings and industry. The study was commissioned by ComEd so the company could better understand the impacts of full decarbonization for the 9 million people it serves and the power grid they depend on for clean, reliable and affordable power.“As the operator of the largest electric grid in Illinois, we have a critical role in enabling the state’s decarbonization goals, and we’re committed to making sure the transition to a clean energy economy is affordable and equitable for all of our customers,” said Gil C

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