The path forward for home energy management

The electrical grid is at a pivotal inflection point. Aging infrastructure, rising electrification, and the rapid growth of intermittent energy sources are straining a system designed over a century ago. In this context, a critical solution is emerging: residential virtual power plants (VPPs), which aggregate distributed energy resources (DERs), such as smart thermostats and electric vehicles, and offer rewards for contributing to efficient grid operations. VPPs can help balance supply and demand, integrate renewables, and build a more resilient grid — all while empowering households as active grid participants.

To dive deep into the current state and future trajectory of residential VPPs, Sidewalk Infrastructure Partners (SIP) partnered with Google Nest to convene the Unlocking the Power of Residential VPPs Summit at Google’s headquarters in Mountain View. Beginning with a keynote conversation with Jigar Shah, Director of the U.S. Department of Energy's Loan Programs Office, this event brought together a diverse group of energy leaders, from policymakers to technology pioneers. The insights that emerged painted a vivid picture of the vast potential of VPPs — and the collaborative, forward-thinking leadership needed to realize it.

Keynote conversation with Jigar Shah. keepAspectRatio

A Cornerstone of Grid Modernization

A key theme crystallized from the discussions: the proliferation of DERs and the electrification of the American home is transforming the grid rapidly, and there is no clear consensus among utilities on how they should manage this fundamental shift and exponential growth. Even the country’s largest and most advanced utilities, many of whom were represented in the room, have very different perspectives on how they should interact with and dispatch DERs.

Where these utilities are finding common ground is in the potential of VPPs, as the data continues to prove that VPPs can reliably balance the electrical grid and unlock flexibility. Utilities are encouraged by the now-proven reliability of VPPs but do not yet consider them a solution that can help to meaningfully move the needle and solve their challenges at scale.

To prove that VPPs are up to the task, the industry must take a more coordinated, proactive, and muscular approach. While pilots and case studies have demonstrated VPP’s value, the industry should now come together to aggressively deploy the solutions we know can strengthen the grid, prevent emergencies, and deliver value to both utilities and consumers — at scale.

Investor Imperatives

Today, most public markets analysts operate under the assumption that rising electrification will automatically translate into higher utility revenues and valuations. And in the near term, this holds true — as more households and businesses electrify, demand for electricity is surging, driving up utility sales and profits. However, this linear view risks overlooking a crucial inflection point that is fast approaching. The grid, as it stands today, was simply not built to handle the pace and scale of electrification we're now experiencing. Aging infrastructure, combined with an outdated model of centralized, unidirectional power flow, means the grid is nearing a tipping point where reliability, resilience, and affordability could all be jeopardized.

By harnessing the flexibility in household energy devices, from smart thermostats to electric vehicles, VPPs can help utilities better utilize our existing infrastructure to preserve affordability during the expected load growth to come. Effectively, VPPs can help utilities decouple their growth and revenues from the need for costly, time-intensive infrastructure upgrades.

This is a win-win for utilities and investors alike. For utilities, VPPs provide a way to manage the pressures of electrification while improving capital efficiency and opening new revenue streams. And for investors, VPPs can help derisk the electrification thesis, ensuring that utilities remain sustainable, capital-efficient, and profitable in the face of a changing grid.

Panel (from left): Venkat Tirupati, ERCOT; Stacy Phillips, Duke Energy; Elliot Mainzer, CAISO; David Gilford, SIP. keepAspectRatio

Policy Catalysts

Technology and business model innovations can only reach their full potential with the right policy and regulatory frameworks in place. The complicating factor, however, is that opinions on what the “right” frameworks should be vary greatly across the ecosystem of VPP providers and DER manufacturers. What’s economic for one type of DER, for instance, may not be for another. Similarly, VPP providers have widely differing perspectives on the framework for how they should be compensated by utilities for the flexibility and stability they create for their grids. Some of the larger players are content with being paid in the energy markets for the amount of electrical load they shift each day, while others are pushing to also be compensated for helping utilities avoid the millions of dollars in capex that, without VPPs, they would have spent on updating or replacing aging infrastructure, such as substations.

At the same time, the industry must grapple with the realities of the U.S. energy policy landscape. Regulation at each level — from FERC down to state utility commissions and city councils — is determined by entities with their own priorities and constraints. Designing effective and scalable VPP programs will require navigating this complex terrain through a combination of federal incentives, state-level regulatory innovation, and locally tailored implementation. FERC Order 2222, which opened wholesale markets to DER participation, has provided a great starting point, but realizing the full potential of VPPs will require ongoing collaboration across all levels of government and industry.

Where all parties can agree is on the urgent need to simplify and streamline the customer experience. Too often, enrolling and participating in VPPs can feel like applying for a mortgage in the 1970s — all paper forms and administrative frictions. For VPPs to reach the mass market, they need to be as easy as ordering an Uber or streaming a song.

To achieve this, we will need to implement robust, standardized customer enrollment frameworks. With streamlined processes, VPPs can drastically reduce the burden on consumers and quickly enable seamless orchestration across millions of devices. Similarly, as VPPs scale, we'll need to rethink the very concept of metering. Rather than a cumbersome web of DER-specific meters, we can move towards unified systems that dynamically orchestrate across the full range of devices and value streams in the home.

A Transactive Energy Future

As we shift toward this electrified future, where every home has multiple DERs that engage with the grid in a bidirectional manner, it is critical that we start factoring the locational value of energy into the equation. Today, any home in a utility’s area of coverage is treated the same. However, a brownstone in Brooklyn, NY contributes to the congestion on New York’s grid in a very different way than, say, a house outside Buffalo, NY does. This difference will only continue to grow as those two homes electrify, making location-specific energy valuation increasingly important — we need to understand the value of their DERs so we can compensate them appropriately for the role they play in supporting the grid.

In the near term, we can start with either a top-down approach that focuses on utility planning, or with a bottom-up approach that builds on the growing network of homes with DERs. Regardless of which path we take, we can — and should — start laying that groundwork now.

To realize this vision of a dynamic grid integrating seamlessly with multiple devices across millions of households, we don't need to start from scratch. We can draw inspiration from the evolution of other complex, networked systems, from telecom to the internet. By deploying the right combination of standards, incentives, and centralized coordination, we can pave a clear path to a better, stronger grid for all.

The Road Ahead

After over a decade of work behind the scenes, the residential VPP market is poised for breakout growth. The technology is ready, consumers are receptive, and policymakers are leaning in. Of course, important work remains to align incentives, streamline adoption, and scale impact. But if the industry can come together around a cohesive agenda — one that puts consumers at the center, makes the most of the infrastructure we have, and leverages policy as a catalyst — there's every reason to believe the 2020s will prove to be the decade of the VPP.