Top Renewable Energy Companies in Denver & Boulder, CO (42)
A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in...
UL Solutions's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue has increased for multiple consecutive years, surpassing $3.0B in 2025 with continued growth into early 2026, including positive organic gains across all major segments. Filings indicate the trajectory is broad-based rather than acquisition-driven.
Profitability: Profitability is expanding faster than sales, with strong adjusted EBITDA growth and notable margin improvement in 2025. Subsequent quarterly updates show further gains, reinforcing operating leverage.
Healthy Cash Flow: Operating cash flow increased to roughly $600M in 2025, with stronger free cash flow supporting continued investment in labs and capacity expansion. This cash generation underpins ongoing growth initiatives.
ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric utilities, and industrial customers. With first-hand experience operating and maintaining energy infrastructure, our engineering professionals provide expertise in Pipeline Engineering, Integrity Services, Automation Integration, Electrical Design, Fiber & Broadband Communications, Industrial Solutions, and Process Safety Management. ENTRUST...
ENTRUST Solutions Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings place the company among the Top 10 in Power and repeatedly on ENR Top 500 lists, and it is described as a leading utility engineering company.
Investor Backing & Capital Strength: A $2.4 billion acquisition by Leidos and a significant minority investment from Neuberger Berman signal strong external capital support and validation of the platform’s scale.
Market Expansion: Headcount surpassing 3,100 across 40+ North American locations and acquisitions such as Maskwa High Voltage and FiberRise indicate expanding geography, capabilities, and customer base.
NEI Electric Power Engineering, Inc. is a multidisciplinary consulting firm specializing in high-voltage electrical infrastructure. With over 40 years of experience, NEI provides professional design and engineering services essential for the design, optimization, and maintenance of power generation, transmission, and distribution systems. They deliver complex electrical solutions across various markets, including renewables, utilities, data centers, and industrial applications, supporting clients...
EC Electric is a full-service electrical contractor that designs, constructs, and installs commercial electrical systems for various sectors, building the infrastructure that carries electricity.
RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, green hydrogen, transmission, and distribution. An industry innovator for over 40 years, RES has delivered more than 27 GW of renewable energy projects across the globe and plans to bring more than 22 GW of new capacity online in the...
Iconergy is a leading energy services company committed to revolutionizing energy management. Our mission is to help building owners optimize energy usage, reduce costs, and enhance sustainability through innovative and tailored solutions. With expertise in energy efficiency, renewable energy systems, and cutting-edge technologies, we empower businesses and building owners to thrive in a rapidly changing energy landscape. From comprehensive energy audits...
Rowan Digital Infrastructure redefines data center delivery, focusing on speed, intelligence, scale, sustainability, efficiency, and flexibility. They partner with hyperscale customers to provide tailored, high-performance infrastructure.
We are building a full stack renewable energy company to accelerate global renewable energy transition. We are based in London, New York. We've raised $90m from top tier investors like Balderton, Lakestar, Accel, Creandum, Lowercarbon, Ribbit, MultiCoin. Energy is broken – We are here to fix it.
Tri-State is a not-for-profit, wholesale power supplier to electric cooperatives and public power districts across the Western U.S., providing reliable, affordable, and responsible electricity to nearly one million energy consumers in Colorado, Nebraska, New Mexico, and Wyoming.
Invenergy is a leading global privately-held developer and operator of sustainable energy solutions. We are headquartered in the Chicago and have 2000+ employees across the Americas, Europe and Asia. We have successfully developed over 175 projects, including wind, solar, and natural gas power generation as well as advanced energy storage facilities. We are innovators at heart — we design, build and...
Invenergy's Top Stability & Growth Strengths
Strong Market Position & Advantage: Market presence is characterized as North America’s largest privately held IPP with 225+ projects (~38 GW developed, 25+ GW operated) and flagship assets like the 1,310‑MW Samson Solar, with league tables and industry rundowns placing the company in the top cohort. Leadership in transmission via the multi‑state Grain Belt Express further underscores a first‑tier position among privately held developers.
Investor Backing & Capital Strength: Institutional support is underscored by Blackstone Infrastructure’s multi‑billion‑dollar equity injections since 2022–2023, reinforcing capacity to execute at scale. Additional large financings, such as $1.1 billion for three utility‑scale solar projects, signal access to capital for continued buildout.
Market Expansion: Growth vectors include the Grain Belt Express HVDC line advancing with all state siting approvals and a return to “in‑progress” federal review in January 2026. New demand verticals tied to data‑center load—such as collaborations with NVIDIA/Emerald AI and sizable corporate offtakes—broaden avenues for expansion.
Natural Power is a leading independent consultancy and service provider for the renewable energy sector . The company offers proactive and integrated consultancy, management and due diligence services, backed by an innovative product range, across the onshore wind, offshore renewables, solar and storage, renewable heat and infrastructure sectors, whilst maintaining a strong outlook on other new and emerging sectors. Established...
GE Vernova is a planned purpose-built company on a mission to electrify the planet while simultaneously working to decarbonize it. If we want our energy future to be different…we must be different. Our mission is embedded in our name. We retain our treasured legacy, “GE,” in our name as an enduring and hard-earned badge of quality and ingenuity. “Ver” / “verde” signal...
GE Vernova's Top Stability & Growth Strengths
Strong Revenue Growth: Recent results show revenue rising alongside robust orders and a record backlog that provides multi-year visibility. Management projects further top-line expansion through 2026–2028, supported by strong demand in Power and Electrification and large project wins.
Healthy Cash Flow: Free cash flow more than doubled in 2025, reflecting improved operational performance and stronger conversion. Guidance points to materially higher cash generation through 2028, supporting ongoing investments and expansion.
Strong Market Position & Advantage: The company holds the largest installed base in gas turbines, has production slots fully booked into 2027, and its technologies help generate a significant share of global electricity. A substantial backlog and leadership across key power and grid segments underline durable competitive positioning.
Flatiron Energy develops, builds, owns, and operates standalone utility-scale energy storage. Our energy storage systems help integrate renewable energy onto the grid, replace fossil fuel plants, and increase grid reliability.
Odyssey’s mission is to radically accelerate capital deployment into distributed energy to get more projects built, faster. Odyssey brings together solar companies and financiers through a technology platform to streamline solar financing through every phase of the process, from origination and due diligence to credit underwriting, procurement, portfolio tracking, and asset management, reporting & compliance. For financiers, Odyssey increases velocity and...
OneEnergy Renewables is an innovative developer of community and utility-scale solar energy projects in North America. Powered by the belief that the future will run on clean energy, our team delivers solar projects to communities, utilities, and commercial and institutional customers. We build trust with landowners, communities, and customers to help them achieve a cleaner, brighter energy future.
Korsail Energy was founded by a group of solar finance and development experts with a combined 500+MW of development, funding and M&A experience. Based in Denver Colorado, we develop solar and storage projects from coast to coast. We created Korsail to leverage our unique combination of skills and create a top down, offtake-focused development company with the reach and funding...
EVS, Inc. is an engineering firm celebrating 41 years of business located in Eden Prairie, Minnesota. We provide civil, electrical, and structural engineering, land surveying, solar + energy storage design, and substation design. At EVS, we are committed to our clients’ success and we operate with the mission of client satisfaction through clear communication and immediate responsiveness. EVS provides high...
DESRI is a leading renewable energy company that develops, owns, and operates utility-scale solar, wind, and battery storage projects throughout the United States. As long-term owners, we’re focused on creating value throughout all stages of a project’s life cycle, including development, construction, financing, and operations. Today, DESRI stands at the forefront of renewable energy, specializing in utility-scale solar, wind, and battery...
thyssenkrupp Supply Chain Services provides integrated warehousing, transportation, and quality solutions for industries such as automotive, renewable energy, and eCommerce. They operate as a leading 3PL provider, managing extensive distribution networks to streamline operations and create value for their customers.
Coterra Energy is a premier, diversified energy company well positioned to deliver superior and sustainable returns. We are built to weather industry cycles with tremendous flexibility between the best oil assets and the best natural gas assets in the country. We embrace innovation, technology and data, as we work to create value for our investors, our team members and the communities...

































