Solar energy
Photovoltaic development and EPC, from commercial and industrial installations to utility-scale projects.
Marius Ion · Renewable energy entrepreneur
Building
what comes next.
Connecting capital, technology and execution to develop the next generation of energy infrastructure.
United States Romania International partnerships
One connected visionEnergy × Infrastructure
Solar energyBattery storageHydrogenData centers
01 /The person behind the projects
Entrepreneurial thinking.
Infrastructure ambition.
I'm Marius Ion, an entrepreneur, renewable energy developer and strategic business integrator. My work brings together the people, technology and capital needed to turn complex opportunities into executable projects.
Through Energy Investment LLC and the PV Park group of companies, I focus on clean energy development, investment structuring and project delivery, with a strong foundation in Romania and an international outlook.
Energy Investment LLCPresident and Founder
CleanTech Business ClubChair Romania
02 /Areas of focus
The pieces of a bigger picture.
Think in systems.
Battery energy storage
BESS integration, hybrid solar and storage projects, and flexible infrastructure for an evolving power system.
Hydrogen
Exploring how renewable generation and electrolysis can support industrial decarbonization and new energy value chains.
Digital infrastructure
Developing concepts that connect data centers with dedicated energy generation, storage and resilient power systems.
03 /Platforms & partnerships
Ideas need a platform.
Progress needs partners.
Investment & development
Energy Investment LLC
A platform for renewable energy development, investment structuring and international collaboration.
energyinv.com
Development & executionPV Park
Romanian energy companies connecting project development, engineering, equipment and EPC delivery.
pvpark.ro
Build the business case.
Bring the right people.
Make it happen.
My approach connects commercial strategy with technical execution. I work across development, supplier relationships, financing and delivery to align the project, the partners and the long-term opportunity.
04 /In the press
Partnerships.
In the public record.
Official announcements and media coverage of Energy Investment’s collaborations with SANY, CORNEX and StarCharge.
PV + BESS
SANY and Energy Investment: solar and storage cooperation in Romania
SANY confirms a Romanian PV and battery storage MOU signed with Energy Investment LLC by Marius Ion at Intersolar Europe 2026.
Read the announcement summary ↗1 GWh
CORNEX names Energy Investment in a 1 GWh Romania cooperation agreement
CORNEX identifies Energy Investment in Romania in its official announcement of strategic storage agreements at The smarter E Europe 2026.
Read the announcement summary ↗500 MWh
StarCharge announces a 500 MWh order with Energy Investment LLC
StarCharge announces a 500 MWh energy storage partnership with Energy Investment LLC, covering utility-scale ESS, C&I systems and VPP technology.
Read the announcement summary ↗05 /Recent opinions
Recent opinions.
- 3 November 2026How a BESS project gets financed
- 29 October 2026Why it matters where you put a battery
- 28 October 2026Winter 2026–2027: what a battery can and cannot do for a business
CleanTech Business Club
CBC Chair for Romania.
CleanTech Business Club (CBC) is a private, independent "Think-DO-Tank" that has brought together people from CleanTech, Clean Hydrogen and Clean Water for over a decade, with a presence in 41 countries across six continents. On 4 August 2025, CBC launched in Romania and appointed Marius Ion as CBC Chair for Romania.
Books
My books.
- 2026 editionSolar Parks and Storage
- 2026 editionProsumer in Romania
- VisionOne Stop Shop
06 /Green Energy Pioneer · Startup Speaker · Investment Strategist
What I do.
🌱 Green Energy Pioneer
Leading the charge in sustainable energy solutions with innovative approaches to renewable technology and investment strategies that drive meaningful environmental impact.
🚀 Startup Speaker
Inspiring entrepreneurs and business leaders with insights on scaling sustainable businesses, green technology adoption, and building resilient startup ecosystems.
💡 Investment Strategist
Connecting capital with purpose-driven ventures, specializing in green energy investments and strategic business development for emerging markets.
Why work with Marius Ion?
With a unique blend of technical expertise, business acumen, and passionate advocacy for sustainable solutions, Marius brings real-world experience from leading companies like Hostway Corporation and First Trust Capital. His multi-disciplinary background spanning IT, digital marketing, investment management, and green energy positions him as a thought leader capable of driving meaningful change in today's rapidly evolving business landscape.
Let's build the next chapter.
Good projects start
with a conversation.
Developers, investors, technology partners and ambitious teams: let's explore where our work connects.
Connect with Marius ↗