About Stora Energy
Stora Energy is a locally-owned firm based in South Poland, driven by a passion for energy and grid stabilization. With our extensive experience in energy and development, we are committed to conducting business responsibly. Our projects play a crucial role in providing stability to the electrical grid, contributing to increased reliability and security.




Join us in shaping the future of energy in Poland.
Shannon O'Connell


Meet our team
CEO & Co-Founder
Charles Gilmour
Chief Technology Officer & Co-founder
Chief Financial Officer & Co-founder
Jakub Florkiewicz




MIT Engineer and Harvard MBA. Shannon brings nearly two decades of renewable energy, engineering, and construction management experience. Before founding Stora Energy, she served as a director at NextEra Energy, the largest renewables company in the US, as well as a country manager at R.Power Renewables, a leading renewable energy firm in Poland. She has founded and led multiple new ventures in the energy space in both Europe and the US.
An internationally-renowned BESS developer and BESS expert, Charles has developed over 1 GW of renewable projects across both Europe and the US. He brings world class technical expertise and experience, having spent nearly a decade building the North American BESS business for NextEra Energy. Additionally, he has five years of experience developing across Europe, spanning across developing, design, and construction of energy storage facilities.
Harvard MBA and graduate of the Warsaw School of Economics and the University of Warsaw. Former consultant at McKinsey & Company, where he specialized in network energy, as well as for the Ministry of Development and the Chancellery of the Prime Minister. Serial entrepreneur and experienced financial executive with diverse international experience.


Michał Ogiński
Chief Development Officer & Co-founder
A graduate of the University of Cambridge and the University of Bath. Senior consultant at Bain&Co, and later vice-president at the Polish company DaftCode. Expert in data analysis, network analysis and business development.




Marcin Słomczyński
Advisor & Investor
Anna Pawlak
Portfolio Development Manager
Harvard MBA and graduate of the Cracow University of Economics and the Jagiellonian University. Since 2015, he has held the title of attorney at law. He has developed a portfolio of over 2 GW of PV and BESS projects as the Head of Central Europe at R.Power Renewables. Previously, he was a partner in one of the largest real estate firms in CEE (White Star Real Estate), and worked at the leading international consulting firm, McKinsey & Company.
A graduate of the Warsaw University of Technology. She had been professionally associated with public infrastructure investments for 15 years. She has over over 10 years of experience as a main project manager in public infrastructural investments for PKP Polish Railway Line, General Director of National Roads and Motorways and other public investors. An expert in construction law, investment process, investment planning, infrastructure investments.


Miłosz Mikołajczyk
A graduate of the Faculty of Law at Jagiellonian University and the Canadian Executive MBA (CEMBA) program. He has over ten years of experience in entrepreneurship and finance in the Polish SME market, as well as in investments. An entrepreneur from Silesia. Owner of legal and factoring firms, including the Mikołajczyk Financial and Legal Syndicate (Sp.j.) and M Capital sp. z o.o., and a long-standing member of BNI Poland—the leading business networking organization in the country. At Stora Energy, he is responsible for transaction structuring, financial due diligence, and partner negotiations within the energy storage project portfolio.
Director of M&A




Aleksandra Krajewska
Żaneta Kopeć
Strategic and Investment Advisor
Land Surveyor and Geospatial Data Specialist
Graduate of the Warsaw School of Economics and the CEMS Master in International Management program. For 16 years, she has worked in the financial sector and strategic advisory across Europe and the Middle East (Deutsche Bank, Emirates NBD, First Abu Dhabi Bank). She brings strategic clarity, investment expertise, and investor relations experience from some of the world’s leading organizations—combined with the discipline to execute each stage of business growth with precision and focus.
Graduate of the Warsaw University of Technology with eight years of professional experience in the geodesy industry. Surveyor and public administration specialist focused on geodetic and cartographic law. Expert in interpreting and applying legal regulations, with hands-on experience in land and building records management, geodetic-cartographic documentation, and oversight of compliance with applicable regulations.


Juhi Gupta
Battery Storage Research Analyst
PhD (Marie Curie Scholar) from Warsaw University of Technology, a Master’s in Advanced Materials & Innovative Recycling, and "BatteryMBA" recipient. Juhi brings hands-on experience across battery technology and systems testing with strategic insight into BESS market dynamics, value streams and commercial qualification pathways. She supports the development and deployment of grid-scale battery storage assets, bridging technical depth and business acumen to drive both project execution and future growth.
Stability
Our principles
We prioritize grid stability to ensure reliable energy supply for our customers.
Sustainability
We are committed to developing energy solutions that are environmentally sustainable.
Innovation
We continuously strive to innovate and improve our grid stabilization services.
Contact
Company details
Stora Energy sp. z o.o.
ul. Zwycięstwa 2
42-575 Gródków k. Będzina
NIP: 6252488808
REGON: 52597381600000
KRS: 0001049072
General inquiries
shannon@storaenergy.pl
+48 606 303 022
Contact for landowners
grunty@storaenergy.pl
+48 507 140 770
Contact for investors
invest@storaenergy.pl