Company: Ameresco, Framingham, MA
Nomination Submitted by: Greenough Agency
Company Description: Ameresco, Inc. (NYSE:AMRC), valued at $1.7B, is leading the world’s largest cleantech integrations and renewable energy asset developments, across North America and Europe, to energize a more sustainable and equitable future, achieve long-term energy resiliency, and make the global UN goal of net-zero emissions by 2050 a reality by reducing customers’ cumulative CO2 emissions by 500 million mt.
Nomination Category: Company / Organization Categories
Nomination Sub Category: Company of the Year - Energy - Large
 Nomination Title: Ameresco
- Which will you submit for your nomination in this category, a video of up to five (5) minutes in length about the achievements of the nominated organization since January 1 2023, OR written answers to the questions for this category? (Choose one):
Written answers to the questions
- If you are submitting a video of up to five (5) minutes in length, provide the URL of the nominated video here, OR attach it to your entry via the "Add Attachments, Videos, or Links to This Entry" link above, through which you may also upload a copy of your video.
1. Ameresco Impact Report: https://www.ameresco.com/2023-impact-report/
2. CNBC Coverage: Clean energy sector looks to create even more jobs after the election — regardless of who wins: https://www.cnbc.com/2024/09/10/clean-energy-job-creation-growth-expected-after-2024-election.html
3. Kupono Case study: https://www.ameresco.com/portfolio-item/kupono-solar-project-hi/
4. Keller Canyon: https://www.ameresco.com/portfolio-item/keller-canyon-rng-plant-ca/
5. Delfini Press Release:https://www.ameresco.com/ameresco-sunel-energy-sa-has-successfully-reached-commercial-operation-of-cero-generations-100-mwp-delfini-project-located-in-prosotsani-drama/
6. London Stadium:https://www.ameresco.com/portfolio-item/london-stadium-uk/
7. Signal Hill Floating Solar: https://www.ameresco.com/portfolio-item/mountain-regional-water-special-service-district-ut/
- If you are providing written answers for your submission, you must provide an answer to this first question: Briefly describe the nominated organization: its history and past performance (up to 200 words):
Total 180 words used.
Ameresco, Inc. NYSE: AMRC is a prominent $1.7 billion cleantech integrator with over two decades of experience delivering sustainable energy solutions. Focused on global energy challenges, Ameresco is committed to enhancing energy security, resilience, and environmental stewardship through innovative clean technologies. Serving a wide range of clients across North America and Europe, Ameresco’s comprehensive portfolio includes solar, geothermal, Battery Energy Storage Systems (BESS), Renewable Natural Gas RNG, biogas, and microgrid technologies. With an ambitious target to cut approximately 16 million metric tons of emissions by the end of 2024, Ameresco is actively advancing the UN’s net-zero goals for 2050.
Ameresco’s impactful projects span sectors like healthcare, education, and government, with prominent clients such as NASA, Boston Children’s Hospital, the U.S. Military, and Google. Internationally, it has led initiatives like the London Stadium’s rooftop solar installation and Greece’s 100MW Delfini Project. By enabling clients to achieve energy savings, lower carbon footprints, and sustainable community impact, Ameresco is fostering environmental and social transformation across regions from Hawaii to Halifax, building a legacy of positive change through its holistic cleantech solutions.
- If you are providing written answers for your submission, you must provide an answer to this second question: Outline the organization's achievements since the beginning of 2023 that you wish to bring to the judges' attention (up to 250 words):
Total 250 words used.
Since 2023, Ameresco has reached significant milestones in clean energy and decarbonization, advancing its role as a global leader in sustainable innovation. Early in 2024, Ameresco launched the Kūpono Solar Project on O’ahu, Hawaii, a landmark solar and Battery Energy Storage System BESS facility that powers 10,000 homes and cuts over 50,000 tons of CO2 emissions annually, supporting Hawaii’s goal of 100% renewable electricity by 2045.
In California, Ameresco’s Keller Canyon RNG Facility—the state’s largest—sets a benchmark in sustainability by reducing 62,000 metric tons of CO₂ annually, equivalent to removing 30,000 cars from the road. In Utah at Signal Hill, where traditional ground or rooftop solar was not viable, Ameresco developed the state’s first floating solar array, offsetting 92% of the treatment plant’s energy needs and cutting 609 metric tons of CO₂ annually. Both projects set new standards for renewable innovation in diverse landscapes.
Globally, Ameresco partnered on Greece’s Delfini Solar Project, powering thousands of homes and reducing 65,300 tons of CO₂, while in London, Ameresco’s cutting-edge thin-film PV installation at the iconic stadium advances net-zero goals with an innovative solution. These projects reflect Ameresco’s commitment to expanding renewable access and achieving large-scale decarbonization globally.
These projects are only a few examples of Ameresco’s holistic approach to clean energy: addressing local needs, creating economic opportunities, hiring locally, and fostering community engagement. Through sustainable practices and resilience-focused initiatives across regions, from Hawaii to London, Ameresco reinforces its leadership in large-scale decarbonization, energy security, and community-driven solutions.
- If you are providing written answers for your submission, you must provide an answer to this third question: Explain why the achievements you have highlighted are unique or significant. If possible compare the achievements to the performance of other players in your industry and/or to the organization's past performance (up to 250 words):
Total 246 words used.
Ameresco’s recent achievements distinguish it from competitors through a unique combination of technical innovation, community engagement, and large-scale impact. The Kūpono Solar Project and Keller Canyon RNG showcase Ameresco’s early adoption of critical technologies like BESS and RNG, which are not yet widely used at comparable scales by competitors. The Kūpono project, with its solar and BESS integration, is the largest of its kind in Hawaii, offering continuous energy support even after sunset—a significant advantage over traditional solar projects that struggle with energy storage. The Keller Canyon facility, with a 3.8 MW power capacity, converts landfill gas into pipeline-grade RNG, demonstrating Ameresco’s advanced approach to waste-to-energy technology.
Compared to others in the industry, Ameresco stands out for its “existing, but not disrupting” approach, a philosophy woven into each project with remarkable attention to biodiversity and local ecology. The Kūpono Solar Project in Hawaii is a vivid example of this. Ameresco goes beyond traditional energy production to foster natural harmony, allowing 200 sheep to graze the project site for sustainable land management and relocating over 500,000 bees to support local pollination.
Ameresco’s approach not only mitigates emissions but also conserves local ecosystems, a commitment rarely seen at scale in the cleantech industry. This unique strategy—hiring locally, respecting cultural and ecological sites, and promoting biodiversity—redefines sustainable development, showing that large-scale clean energy can coexist with, and even enhance the natural landscape. Ameresco’s focus on biodiversity makes them a cleantech leader, raising the bar for sustainable innovation.
- You have the option to answer this final question: Reference any attachments of supporting materials throughout this nomination and how they provide evidence of the claims you have made in this nomination (up to 250 words):
Total 189 words used.
Attached, Ameresco’s 2023 Impact Report provides a comprehensive view of its measurable achievements, showcasing carbon reductions, energy savings, and community benefits across its clean energy projects. The report substantiates Ameresco’s leadership in sustainable innovation, quantifying the environmental impact of projects like the Kūpono Solar Project in Hawaii, which cuts over 50,000 tons of CO2 annually, and the Keller Canyon RNG Facility in California, which reduces CO2 emissions by 62,000 metric tons per year.
The case studies included on the Kūpono Solar, Keller Canyon RNG, London Stadium, Signal Hill and Delfini projects further demonstrate Ameresco’s commitment to tailored, impactful solutions. Each project exemplifies Ameresco’s holistic approach—highlighting emission reductions, energy production metrics, and the positive economic impacts through local job creation.
Also included are recent tier-one media articles, such as CNBC’s feature and a Fortune byline by Ameresco’s CEO, showcasing the company’s voice within the national and international clean energy narrative. These pieces affirm Ameresco’s influence in renewable energy discussions, underscoring its role in advancing global decarbonization and economic growth through sustainable job creation. Collectively, these materials validate Ameresco’s pioneering work and highlight its impactful, community-centered clean energy approach.
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