In this edition of V2G News, we lead with a conversation with Vincent Weyl, offering an inside perspective on how the California Energy Commission is approaching vehicle grid integration and what comes next. According to Weyl:
“We needed to learn by doing… how can we make bidirectional work in practice? Once we answer this, the thinking can evolve from potential to existing capability.”
That discussion is paired with our coverage of the Commission’s new bidirectional charging roadmap, an important signal from the largest EV market in the United States.
In prior coverage, we have been clear that California, despite its leadership in EV adoption, has remained stuck in a cycle of pilots without a clear path to scale. These latest developments suggest the conversation is evolving, with growing alignment around the role EVs can play as grid resources and increasing momentum toward broader deployment.
As always, this edition covers the latest developments in the bidirectional sector across the United States and globally, including Tesla’s expansion of its AC vehicle-to-grid Cybertruck offering in California.
V2G Insights
Inside California’s VGI Strategy: A Conversation with Vincent Weyl
April 28, 2026
Vincent Weyl, California Energy Commission, Vehicle-Grid Integration Principal
Electric vehicles are no longer just a transportation story. In California, they are increasingly being viewed as a flexible energy resource with the potential to reshape how the grid operates. But turning that potential into real world value is not straightforward.
To better understand how this transition is unfolding, we spoke with Vincent Weyl. In the discussion that follows, he outlines how the California Energy Commission is advancing bidirectional charging, what the agency is learning from early deployments, and where the biggest opportunities and challenges lie ahead.
V2G News:
To start, could you describe your academic and professional background?
Weyl:
I currently serve as a Vehicle Grid Integration (VGI) Principal in the California Energy Commission’s Fuels and Transportation Division. Prior to that, I spent close to 10 years in the clean technology sector, 8 of which were in the electric mobility space. I was also involved in CharIN, serving as a co-chair on their North American policy committee.
Before that, my career was in telecommunications, almost since the advent of the Internet and the explosion of cellular networks.
My academic background is in electronics engineering with a major in computer networking.
V2G Intelligence
California’s Roadmap to Scaling Bidirectional Charging
April 28, 2026
The California Energy Commission’s (CEC) newly released report, A Roadmap to Unlocking the Benefits of Bidirectional Charging, arrives at an important, but still uncertain, moment for vehicle-to-grid and broader vehicle-grid integration. Automakers are beginning to introduce bidirectional-capable vehicles, and utilities are increasingly focused on managing electrification-driven load growth. At the same time, the commercial, regulatory, and operational pathways for scaling bidirectional charging remain unresolved. Against this backdrop, California is attempting to outline a more coordinated approach, even as key elements of the market continue to evolve.
What makes this report notable is not simply its support for bidirectional charging, but its balanced assessment of both the opportunity and the challenges ahead. The CEC recognizes the significant potential value of enabling EVs to provide grid services, while also acknowledging the practical constraints related to interconnection, standards, customer economics, and program design. The result is less a definitive roadmap to scale and more a structured framework for progress—one that emphasizes near-term deployment opportunities while recognizing that widespread, fully integrated V2G will depend on continued technological, regulatory, and market development over time.
This framing closely aligns with the V2G Insights article in this edition of V2G News featuring CEC’s Vincent Weyl, who played a leading role in developing the roadmap. In our interview, Weyl underscored that bidirectional charging is unlikely to follow a single, linear path to full V2G. Instead, he described a more incremental progression, where early applications and use cases help establish the technical, regulatory, and economic foundation for broader deployment.
The report reflects that perspective. It emphasizes near-term opportunities that appear feasible under current conditions, while recognizing that more advanced forms of grid integration will depend on continued progress across standards, interconnection processes, and market structures. This staged approach introduces a degree of pragmatism, but also highlights the uncertainty that still surrounds the pace and scale of adoption.
V2G Finds—US
Tesla Expands AC Vehicle-to-Grid from Texas to California
V2G News recently covered Tesla’s initial launch of its Cybertruck-based, AC bidirectional charging system in Texas, marking the first real step toward scalable, lower-cost residential V2G. Now, that effort is expanding into California, where the Cybertruck has been approved to export power through Pacific Gas and Electric Company’s residential V2X pilot. This development is significant not just as a geographic expansion, but as a technical milestone: it represents the first approved AC-based V2G system in the California market, offering a simpler and potentially more cost-effective pathway compared to the DC-based systems currently deployed. If this model proves successful, it could materially shift the economics and accessibility of residential V2G, bringing the industry closer to the scale it has long promised.
4/20/2026
University of Delaware Study Confirms Real World V2G Revenue Potential
A new report from the University of Delaware, in collaboration with Exelon Corporation and PJM Interconnection, provides some of the clearest real world evidence to date that vehicle to grid can deliver meaningful economic value. Based on multi-year market participation data, the study finds that passenger EVs can earn over $3,300 annually, with fleet vehicles exceeding $9,000 per year by providing grid services. Importantly, these revenues are not subsidy driven but reflect direct participation in wholesale electricity markets, demonstrating that V2G can compete with conventional generation resources. The pilot also confirmed no measurable battery degradation over a year of operation, reinforcing the technical viability of the approach. Taken together, the findings strengthen the case that V2G is not just technically feasible, but economically compelling, provided the right market structures, standards, and scale are in place.
4/16/2026
V2G Finds—Global
Sweden’s 200-Charger V2X Pilot Signals Continued Momentum Toward Scale
A new pilot led by Energy Bank in partnership with Vattenfall and Volkswagen will deploy 200 bidirectional chargers across Sweden, connecting EV owners to grid services through an aggregated V2X platform. Building on a 15-month field demonstration, the project represents a deliberate move from pilot to pre commercial scale, with both residential and commercial participants providing flexibility to the grid in exchange for compensation. While modest in size relative to long term potential, this initiative is yet another example of vehicle-to-grid moving beyond isolated demonstrations and into coordinated, multi stakeholder deployments. As these programs expand in parallel across regions and architectures, they collectively point to a market that is beginning to find pathways to scale.
4/21/2026
Germany’s Regulatory Breakthrough Spurs V2G Innovation as Mobility House Targets Free Charging
Germany is beginning to emerge as a leading market for vehicle to grid, following recent regulatory changes that treat EV batteries on par with stationary storage and remove barriers such as double grid fees. Against this backdrop, The Mobility House is advancing one of the most compelling commercial models to date: a V2G enabled electricity tariff that could allow EV drivers to charge at home for free. The approach aggregates EV batteries, charges during low cost periods, and discharges during high price events to capture market value, passing those savings back to customers. Early deployments will rely on tightly integrated vehicle and charger pairings, but the model points to a broader shift as Germany’s clarified regulatory framework begins to unlock real market activity. Taken together, this is another clear signal that V2G is moving beyond pilots and into scalable, economically driven deployments—with innovative business models leading the way.
4/15/2026
Volkswagen and Elli Launch Integrated V2G Offering Built for Scale
Volkswagen, in partnership with its energy subsidiary Elli, is preparing to launch a fully integrated vehicle to grid offering for residential customers in Germany in Q4 2026, with expansion across Europe to follow. This represents further evidence of the rapid evolution of Germany as a viable market for V2G, building on recent regulatory reforms that place EV batteries on par with stationary storage and remove barriers such as double grid fees. Volkswagen’s approach combines bidirectional capable vehicles, DC chargers, dynamic tariffs, and a centralized aggregation platform, with Elli orchestrating participation in wholesale markets through EPEX Spot. With roughly one million MEB based vehicles already capable of bidirectional charging, this vertically integrated model marks a meaningful step toward translating Germany’s improved regulatory framework into scalable, real world deployment.
4/20/2026
Hyundai Tests V2G in Korea Amid Emerging Global Momentum
Hyundai Motor Group is expanding its vehicle to grid efforts with a pilot deployment on Jeju Island, testing bidirectional charging across a fleet of EVs in a high renewable energy environment. The initiative, led by Hyundai Motor Group, focuses on validating charging infrastructure, grid interaction, and the operational use of EV batteries as flexible energy resources. While similar efforts are advancing in markets such as the United Kingdom and United States, Korea remains in an earlier stage of market development, with no formal recognition of EVs as distributed energy resources and no established compensation framework. Still, the combination of OEM leadership and emerging policy discussions suggests Korea could follow the same trajectory seen in Europe, where regulatory clarity is beginning to unlock commercial V2G models.
4/22/2026
