Gemma Renewable Power, a Subsidiary of Argan, Inc., Named 2025 Nexus Partner of the Year by Vistra
Recognition Highlights Gemma’s Commitment to Inclusive Supply Chain Practices and Strong Strategic Partnerships in the Renewable Energy Sector
Argan, Inc. (NYSE: AGX) (“Argan” or the “Company”) is pleased to announce that its wholly owned subsidiary, Gemma Power Systems (“Gemma”), has received industry-wide recognition through one of its most dynamic divisions—Gemma Renewable Power. The team was recently awarded the 2025 Nexus Award for Partner of the Year by Vistra Corp., a leading integrated retail electricity and power generation company known for its commitment to innovation, sustainability, and inclusivity in business operations.
Presented as part of Vistra’s annual Nexus Awards program, this prestigious honor recognizes Gemma Renewable Power for its outstanding contributions to building a diverse and resilient supply chain. The Partner of the Year award is reserved for organizations that demonstrate exceptional collaboration, innovation, and a deep-rooted commitment to inclusive business practices. This year’s award spotlights the powerful and productive relationship between Gemma and Vistra, cultivated over several years of close partnership and shared success.
A Multi-Year Partnership Built on Trust, Performance, and Shared Values
Gemma Renewable Power, the renewable energy-focused division within Gemma Power Systems, has worked closely with Vistra for more than three years. The company has been instrumental in delivering Engineering, Procurement, and Construction (EPC) services across a variety of large-scale power generation projects. These projects are a part of Vistra’s broader strategic initiatives to diversify its energy portfolio and advance its commitment to a low-carbon future.
The selection of Gemma as a key partner followed a rigorous and competitive evaluation process. Vistra’s internal teams sought a partner that could not only deliver operational excellence but also align with the company’s strategic objectives—particularly its focus on supplier diversity, sustainability, and community impact. Gemma exceeded expectations at every turn.
The team’s strength lies in its experienced professionals—engineers, project managers, construction specialists, and technical experts—who bring a wealth of knowledge in designing, constructing, commissioning, and operating large-scale power generation facilities. Beyond technical capabilities, Gemma Renewable Power has stood out as a collaborator that brings innovation, flexibility, and a deeply embedded culture of integrity and inclusion to every project.
Recognition of Inclusive Supply Chain Practices
At the heart of the Nexus Award program is a celebration of businesses that champion supply chain diversity and inclusion. Vistra’s Nexus Awards are more than just acknowledgments of business performance—they are a reflection of Vistra’s corporate ethos and its long-standing commitment to creating economic opportunities through inclusive business partnerships.
“Our suppliers, partners, and employees are key to our success at Vistra,” said Heather Herndon Wright, Director of Supply Chain Diversity and Sustainability at Vistra. “Building a broad and inclusive supply chain network aligns with our core principles of doing business the right way and serving our stakeholders. We’re proud to recognize these partners who share these commitments and help strengthen our competitive advantage.”
By partnering with Gemma Renewable Power, Vistra has successfully advanced its goals around supplier inclusion and diversity. Gemma has not only helped deliver major infrastructure projects on time and within budget, but also contributed to broader value creation by engaging a diverse workforce and supporting small and minority-owned businesses through subcontracting and other partnership models.
An Award Rooted in Collaboration and Shared Success
The 2025 Nexus Award for Partner of the Year is both a recognition of past accomplishments and a signal of the promising future ahead. As Vistra and Gemma Renewable Power continue their partnership, both organizations remain committed to innovation, operational excellence, and sustainable growth.
“We are incredibly honored to receive the 2025 Nexus Award for Partner of the Year from Vistra,” said Charles E. Collins IV, Chief Executive Officer of Gemma Power Systems. “This recognition is a testament to the dedication, innovation, and collaborative spirit of our team, and to the strong partnerships we’ve built with our suppliers. Together with Vistra, we are accelerating the transition to a more sustainable future, and we look forward to continuing this impactful journey in the years ahead.”
Mr. Collins went on to highlight that the award also reflects Gemma’s core values—teamwork, integrity, and excellence. “At Gemma, we believe that great partnerships are founded on mutual trust and shared goals. Vistra has been an exceptional partner in every sense, and we are proud to contribute to their vision of creating a cleaner, more equitable energy future.”
Advancing a Cleaner, More Inclusive Energy Future
As the energy industry undergoes a period of rapid transformation, partnerships like the one between Vistra and Gemma Renewable Power are setting a new standard for how companies can grow together—profitably, responsibly, and sustainably. From solar and battery storage projects to grid modernization efforts, Gemma’s work with Vistra is playing a central role in reshaping the energy landscape across the United States.
The recognition by Vistra is not just a feather in the cap for Gemma Renewable Power—it is a clear affirmation of the company’s strategic direction, business philosophy, and future potential. With increasing demand for clean energy solutions and more equitable business ecosystems, Gemma is well-positioned to continue leading by example.
For Argan, Inc., the parent company of Gemma, the award underscores the strength of its subsidiaries and the positive impact they’re making across industries and communities. As the company continues to support the growth of renewable energy infrastructure, it remains focused on delivering shareholder value while prioritizing sustainability and stakeholder engagement.
About Gemma Power Systems
Gemma, a wholly owned subsidiary of Argan, is a leading EPC services company providing innovative solutions for the power industry, including the renewable energy sector. Their wide-ranging and comprehensive experience comprises over 15 GW of installed capacity including combined cycle and simple cycle natural gas power generating plants, biomass-fired power plants, solar facilities, wind farms, biofuel plants and other environmental facilities.
About Argan
Argan’s primary business is providing a full range of construction and related services to the power industry. Argan’s service offerings focus on the engineering, procurement and construction of natural gas-fired power plants and renewable energy facilities, along with related commissioning, maintenance, project development and technical consulting services, through its Gemma Power Systems and Atlantic Projects Company operations. Argan also owns The Roberts Company, which is a fully integrated industrial construction, fabrication and plant services company, and SMC Infrastructure Solutions, which provides telecommunications infrastructure services.