The 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements on March 27 & 28, 2025, in Berlin, Germany, was an event that saw industry representatives, energy consultants, and business buyers converge for best practices in green power sourcing. Besides, the platform also provided the ground for problem-solving in issues related to renewable energy since calls to cut back on emissions remain high. Networking, brainstorming, and business-to-business one-on-one sessions also allowed participants to establish value-generating connections. This created a collaborative ethos for steering the transition to net-zero energy using efficient corporate procurement techniques. This article covers the essential sessions, keynote speakers, and sponsors that made the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements pivotal in the space of sustainable energy.

Sessions at the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements

The conference was supplemented by a stellar list of sessions with industry leaders, offering a wide range of topics of interest to the shift towards renewable energy. We discuss each session in detail below, highlighting the value addition to the attendees:

Renewable Energy as Part of the Corporate and Climate Strategy at LyondellBasell

Speaker: Merijn VOETEN, Renewable Energy Manager Europe, LyondellBasell

The presentation pointed out LyondellBasell’s incorporation of renewable energy into its corporate and climate strategy. Furthermore, the presenter conveyed the company’s renewable energy achievements thus far and defined their strategic future endeavors. This came with insightful recommendations for other companies seeking to enhance their sustainability efforts. This is while ensuring operational efficiency within the European market.

OOMV’s PPA Journey in Austria and Germany

Speaker: Andreas GÉMES, Head of Renewable Power + H2, OMV

The speaker at the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements introduced OMV’s integrated green power strategy and their changing PPA approach. Moreover, comparing the different natures of the Austrian and German PPA markets, the speaker provided deeper insight into regional dynamics. The presentation wrapped up with pragmatic takeaways and best practices derived from OMV experience. This gave participants actionable insights for application in their renewable energy procurement plan right away.

Riding the Wave of Negative Electricity Prices

Speaker: Lars SEMB MAALEN-JOHANSEN, Renewable Portfolio and PPA Manager, Ecohz

The speaker touched on the growing reality of European markets experiencing negative electricity prices. The session gave solutions on how to deal with such a complex reality. Furthermore, the speaker restated the balance between sustainability and cost affordability during volatile markets. The presentation also touched briefly on different ways of ensuring risk-sharing between buyers and sellers. This is noting that there is a demand for harmonized contracts safeguarding the interests of all parties involved in renewable energy trade.

Renewables Portfolio Management in Practice

Speaker: Marc FLURY, Senior Portfolio Manager, Danske Commodities

The speaker analyzed how the character of the risks in the renewable energy industry was changing. The session also delved into how there were new challenges to portfolio managers. Furthermore, the speaker demonstrated how hedging exposure is effective using multiple technologies along with creative structural solutions. Moreover, the presentation focused on the strategy of providing tailored solutions to customers with varying needs. This prioritizes flexibility as well as creativity in renewable energy portfolio management.

Challenges and Solutions for the Ongoing Energy Transition – A Trader’s View

Speaker: Arved VON HARPE, Managing Director, Sunnic Lighthouse GmbH

The speaker shared some insights on how evolving energy landscapes, regulatory regimes, and price fluctuations require innovative responses by market participants. Furthermore, the session talked about how Sunnic responds to such issues, mentioning pragmatic strategies from the trader’s point of view. Demand response was also discussed as one of the competitiveness options. This looks at how flexibility in the use of energy helps in building new value in evolving energy markets.

Powering Sustainability: PepsiCo’s Path to Renewable Energy and Emissions Reduction

Speaker: Agata ORDON, Indirects Supervisor Energy, Procurement Green Team Poland Lead, PepsiCo

PepsiCo’s strategy for using renewable energy and reducing emissions was the focus of this session. The session discussed renewable electricity procurement in Poland and regulatory compliance challenges. In addition, the speaker outlined the sustainability plan of the company. The focus was placed on greenhouse gas emissions reduction efforts. Furthermore, there was a case study that illustrated PepsiCo’s most sustainable plant in Europe, located around Wrocław, which featured creative energy solutions.

Base-load PPAs and Green Hydrogen: How to Master the Challenge of Simultaneity and Volume Availability?

Speaker: Simon CAMPBELL, Functional Head of Green Power Solutions, Uniper Energy Sales

The session focused on securing reliable green power for hydrogen production. It touched on green hydrogen requirements and looked into options of power supply such as hydro PPAs. Additionally, the presenter touched on the issue of synchronization of energy supply and demand. There was a highlight on measures to provide simultaneity and volume of supply for effective and sustainable hydrogen production.

Preparing for PPA Deal-Making – Trends in the German PPA Market

Speaker: Sarah DREVERMANN, Senior Lead Originator cPPAs, ENGIE

The session gave an overview of Germany’s PPA market, showing its flexibility for corporate buyers. It presented critical factors for signing a first PPA and strategies for easy negotiations. Moreover, the speaker touched on market trends, such as 24/7 green energy supply and battery storage. This enables businesses to navigate the changing face of renewable energy contracts.

Current Innovations in Energy Sourcing Development (Brainstorming Session)

This session discussion delved into the latest trends in energy sourcing. It includes AI forecasting models and the impact of blockchain technology on PPAs. Furthermore, members outlined how new PPA models allow for the easy integration of renewable energy sources into the grid. This is both from a sustainability and cost savings perspective for businesses. Moreover, the session at the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements offered an insight into market trends and regulatory regimes that will shape the future of energy sourcing.

From the Terms Sheet to a Signed cPPA Contract – Corporate Buyer’s Perspective

Speaker: Katerina FIALKO, Operations Energy Transition Manager, BAT

The presenter described the timeline and most significant milestones for PPA deal teams to complete within developer exclusivity horizons. Furthermore, the speaker highlighted the pivotal role of transparency in the terms sheet in negotiations of contracts. The presentation weighed different stakeholder interests and emphasized the significance of sustaining joint momentum with developers. The session ended by describing outside factors and probable risks corporate buyers need to watch out for throughout PPA contracting.

DB Cargo – A Pioneer for Climate Neutrality

Speaker: Jörg SCHNEIDER, Head of Climate Protection and Energy, DB Cargo AG

The presenter presented DB Cargo’s vision for climate-neutral rail transportation as the foundation of a future free from climate change. In addition, the session demonstrated Deutsche Bahn’s ambitious target of becoming carbon-neutral by 2040. The presentation showed their approach towards the shift from diesel fuels by avoiding fossil fuel dependence and using alternative drives and fuels. Moreover, the speaker described how the company is generating 100% green electricity. This is through technology-independent portfolio development and ongoing energy efficiency measures.

Energy Storage Integration: Exploring the Latest Advances in Battery and Energy Storage Solutions

Speaker: Severin VARTIGOV, Chief Commercial Officer at Enery, Enery

The speaker described how emerging energy storage technologies enhance grid resilience, reduce intermittency issues, and enable better distribution for large-scale renewable projects. In addition, the session examined the changing role of energy storage under Power Purchase Agreements. The speaker also identified how storage integration optimizes costs, improves sustainability projects, and supports long-term corporate energy strategies. Additionally, scalable energy storage solutions were the focus of the presentation for small-scale and large-scale renewable energy projects.

The Role of Hydrogen in Decarbonization Strategies: Challenges and Opportunities (Fireside Chat)

Speaker: Canan ACAR, Associate Professor, University of Twente

In this engaging fireside chat, the speaker investigated the use of hydrogen as a decarbonization means in different sectors. The speaker mentioned technical hurdles in hydrogen generation, storage, and transport, but also emerging possibilities for use. Moreover, policy trends, market forces, and research activities influencing hydrogen’s role in corporate strategy were explained. This presented an equilibrium academic view of this fast-changing energy carrier.

PPAs for Energy Intensive C&I Customers in Germany

Speaker: Anwar DARWICH, Commercial Director, PPA Origination, MaxSolar

The presenter broke down Germany’s transition of the electricity market from EEG-subsidized EEG business models to bilateral agreements between green energy operators and C&I customers. Furthermore, the session illustrated upside PPAs from EEG-subsidized projects as options for on-site and off-site business cases. The presentation at the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements also covered how hybrid PPAs under co-located green energy storage could be used as substitutes for stand-alone PPAs. 

Converting DCs to Flexible Loads with BESS

Speaker: Chris PENNINGTON, Director Energy & Sustainability, Iron Mountain Data Centers

The presenter gave a detailed discussion of how and why storage adoption is essential to the clean energy transition, especially in data centers. Furthermore, he discussed the technical and cost implications of using battery energy storage systems (BESS) with data center operations. The presentation also showed how data centers transition to flexible loads using BESS can stabilize the grid. This is while optimizing corporate sustainability initiatives.

Unlocking Value with Onsite Solutions: How Distributed Solar & Storage Drive Emissions Reductions and Cost Savings for Businesses

Speaker: Miltos GIANNAKOPOULOS, Manager, Distributed Clean Energy Advisory, Trio

The presenter highlighted leveraging the maximum returns of onsite solar installation with cost savings and environmental benefits. Furthermore, he displayed different contractual formats for performing on-site solar installations. This is to obtain the highest return on investment with minimum risk. Moreover, the presentation ended by analyzing the complementarity benefit of onsite energy storage integration. This displayed how solar and storage solutions create synergistic value for business operations.

Collaborative Approach Toward Energy Providers (Brainstorming Session)

This interactive workshop at the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements was centered on building strategic partnerships among energy producers. This is to drive the energy transition into a sustainable direction. Furthermore, attendees learned how to leverage shared strengths and experiences in creating effective solutions to shared issues. The session also highlighted how partnership can initiate long-term positive change in communities around the globe. Thus, this demonstrates the capability of collaboration to create a solution to the complex energy transition issues.

Who Were The Sponsors For The 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements?

The event was facilitated with the support of major sponsors. Each of them brought their resources and expertise to help make the event experience worthwhile. So, let us take a look at them:

Sunnic Lighthouse GmbH – Premier Networking Sponsor

Sunnic Lighthouse GmbH, a part of ENERPARC AG, deals in power supply services alongside direct marketing capabilities and hedging transactions through PPAs. It focuses mainly on green power from German photovoltaic farms. With 3,400 MW capacity (1,000 MW wind, 2,400 MW photovoltaic) in hand, they are a major player in German renewable energy markets. At the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements, Sunnic provided insights on the shifting energy landscape with challenges from the perspective of a trader. They examined regulatory environments and price fluctuabilities that need creative answers. The organization also talked about demand response as a competitive edge. This gave attendees hands-on methods for understanding market complexities while striving for sustainability objectives.

Ecohz – Presenting Partner

Ecohz has been a leader in providing renewable energy solutions for more than 20 years. It makes emissions savings possible for businesses with sustainability products. It includes energy attribute certificates, carbon credits, and biogas, all backed by digital platforms. Also known for strategic advisory expertise, they advise organizations on the smooth transition to net-zero. During the summit, Ecohz presented timely information on coping with negative electricity prices. They educated the audience on this market phenomenon and offered templates for structuring sustainability with economic feasibility. The presentation also provided insightful information regarding balancing risk-sharing opportunities among buyers and sellers in uncertain markets.

ENGIE – Bronze Sponsor

ENGIE Energy Management Solutions GmbH, the German subsidiary of ENGIE Global Energy Management & Sales, supplies green PPAs and energy management services. This is for utilities that want to reduce their carbon footprint. Furthermore, they manage operations that span every stage of power generation. This is starting from renewables and natural gas through biomethane to hydrogen and Guarantees of Origin. During the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements, Engie presented insights on PPA deal-making in the German market. They emphasized its corporate buyer flexibility relative to other markets. So, participants learned about effective negotiation techniques and market trends, such as 24/7 green supply and batteries, and what makes for effective and efficient PPA implementation.

Enery – Bronze Sponsor

Enery, an independent renewable energy provider. It supplies green energy for the long term to its customers. They operate various energy assets across Central and Eastern Europe. They produce 700 GWh of electricity from 490 MW and serve more than 277,000 homes. With 8 GW capacity under active development in 11 countries, they integrate ESG principles into all operations. At the summit, Enery investigated energy storage integration innovation, discussing how such solutions make the grid more reliable and lower intermittency. They also demonstrated energy storage’s function in PPAs to minimize costs and advance corporate strategy. This reveals flexible solutions for small and large-scale projects alike.

Danske Commodities – Bronze Sponsor

Danske Commodities is a technology-driven company that provides energy trading services across 42 markets worldwide. As a power, gas, and certificates trader, they link producers and large-scale consumers. They are also known for enabling better management of energy prices alongside optimized flow optimization. At the summit,  they talked about renewables portfolio management in practice. They uncovered current risks and combined technologies with innovative structures to manage exposure. Moreover, they talked about delivering tailored solutions for clients.  So, attendees learned how to build portfolio resilience.

Uniper – Bronze Sponsor

Uniper, a Düsseldorf-based European energy firm, has operations in more than 40 nations with around 7,400 staff. It strives to achieve energy stability in Europe through power generation, international energy trading, and a diverse natural gas portfolio. Furthermore, they are targeting carbon neutrality by 2040, intending to have more than 80% of zero-carbon generation by the early 2030s. At the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements, Uniper talked about base-load PPAs and green hydrogen issues. Their talk also uncovered the power demand for green hydrogen production and power supply alternatives such as hydro PPAs. So, the participants learned about how to overcome simultaneity and volume availability issues in this new industry.

MaxSolar – Bronze Sponsor

MaxSolar GmbH has developed and implemented cross-sector renewable energy solutions from Traunstein since 2009. Offering end-to-end solutions from planning to operation, they bring together photovoltaics, wind power, storage, electromobility, and heat supply. This is to create new energy networks. Moreover, with a 7.5 GW project pipeline, they’re one of the major sustainable energy players. At the summit, MaxSolar spoke about PPAs for energy-intensive C&I customers in Germany. They also described the market’s transition from government-supported (EEG) models to bilateral agreements between RES-operators and C&I customers. Participants were also educated on upside PPAs from EEG-supported projects and hybrid PPAs in co-located green energy storage models.

Trio – Bronze Sponsor

Trio, a global energy and sustainability advisory company, assists organizations in embracing clean energy solutions. This is by providing strategic and implementation services in sustainability, renewable procurement, energy optimization, and transportation electrification. They also support leaders in creating sustainability commitments across operational and financial systems for long-term benefits. During the 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements, Trio presented knowledge on realizing value with onsite solutions. They showcased how distributed solar and storage are what drive cost savings and emissions reductions. Participants also learned about optimizing benefits with onsite solar energy, contractual solution structures, and the benefits of onsite energy storage implementation.

To Sum Up

The 3rd Global Summit for Net Zero Energy Sourcing & Power Purchase Agreements successfully gathered industry champions, energy experts, and business buyers to decide the most critical concerns of green power buying in 2025. Through inspiring discussions, fruitful connections, and support from dedicated sponsors, participants gained pragmatic insights to put their sustainable energy initiatives into action.

As the global energy industry continues to evolve, summits like these remain important for cooperation and innovation. Industries involved in sustainability must be represented at events like these if they are to remain ahead of the curve when it comes to market trends, regulatory shifts, and technology innovation, during the pivotal transition to net-zero energy. So, make sure you look out for upcoming summits!