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View Rjsolar's top competitors like Duke Energy Corporation, EcoEnvironments, and Evergreen Energy.

Duke Energy Corporation
Duke Energy, a Fortune 150 company headquartered in Charlotte, N.C., is one of America’s largest energy holding companies. The company’s electric utilities serve 8.4 million customers in North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky, and collectively own 54,800 megawatts of energy capacity. Its natural gas utilities serve 1.7 million customers in North Carolina, South Carolina, Tennessee, Ohio and Kentucky. Duke Energy is executing an ambitious clean energy transition, keeping reliability, affordability and accessibility at the forefront as the company works toward net-zero methane emissions from its natural gas business by 2030 and net-zero carbon emissions from electricity generation by 2050. The company is investing in major electric grid upgrades and cleaner generation, including expanded energy storage, renewables, natural gas and nuclear. Our team is available Monday to Friday from 8 a.m. to 5 p.m. EST. If you suspect an emergency, please call 911.
Charlotte, North Carolina, US
Public
$29.5B Revenue
http://www.duke-energy.com
26.1K Employees
DUK Ticker
Octopus Energy
We're on a mission to make a big green dent in the universe by building a truly sustainable energy system globally. That means making power greener, smarter, and more affordable for everyone. We put customers at the heart of everything we do: with always-fair prices, transparency and outrageous customer service. We drive system change: with transformative tech to make renewable energy the norm and end global reliance on fossil fuels. Octopus Energy Group is made up of 10 businesses spanning 6 countries across 3 continents, including: Octopus Energy Retail, Kraken Technologies, Octopus Energy Generation, Kraken Flex, Octopus Electric Vehicles, and the Octopus Centre for Net Zero. More on OEG @ octopusenergy.group
UK
Private
$22.8B Revenue
http://octopus.energy
5.7K Employees
Kingspan Group
At Kingspan, we're on a mission to transform the built environment through inspiration, innovation and insight. As the global leader in high-performance insulation and building envelope solutions for the construction market, our ultimate goal is to improve building performance and contribute to a more sustainable, energy-efficient future for our customers and the environment.
Kingscourt, IE
Private
$9B Revenue
http://www.kingspan.com
3.1K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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