Google and Voltus Expand PJM Virtual Power Plant Tenfold to 1 GW Under Contract Through 2040

Google has significantly deepened its commitment to demand-side flexibility in the PJM Interconnection region, announcing on October 22, 2026, an expanded agreement with distributed energy company Voltus to build what the two parties describe as a 1-gigawatt virtual power plant across PJM. The deal adds 1,070 MW of capacity to the 100 MW the companies agreed to in June 2026, a tenfold expansion that both companies characterize as one of the largest known distributed capacity portfolios deployed by a hyperscaler to date. The announcement arrives as PJM grapples with record peak demand and soaring capacity prices, underscoring the growing pressure on large electricity consumers to secure reliable power in constrained markets.

A virtual power plant does not generate electricity. Instead, it aggregates many small, flexible loads and resources—such as smart thermostats, batteries, and industrial equipment—so that a grid operator can treat them as a single resource. Under the Bring Your Own Capacity arrangement, Voltus signals participating homes and businesses when the grid is under strain, and those sites temporarily reduce their energy use to support reliability. Voltus then delivers financial benefits to participants, including bill savings and direct payments, while taking on Google's capacity obligation in the PJM market. Google pays for the aggregated capacity, which helps the company meet its obligations without waiting for new centralized generation to come online.

The commercial details remain partly undisclosed. Google's blog post does not specify the 1,070-MW figure, the contract term, or an end date, while the Voltus press release confirms the megawatt figure but does not state a term. Latitude Media reported that Voltus CEO Dana Guernsey confirmed Google has signed a contract running through 2040 that will offset load from multiple Google data centers in PJM, though the specific facilities tied to the capacity have not been named. The sources also do not reconcile the arithmetic: 100 MW plus an additional 1,070 MW would total 1,170 MW, while both companies describe the resulting virtual power plant as 1 GW. Ellen Zuckerman, Google's head of energy market development for North and South America, said in the Voltus release that expanding the initial commitment tenfold "demonstrates our core effort to actively bring our own capacity to the grids that serve us." Guernsey added that the partnership brings clean capacity online "at gigawatt scale."

The agreement lands during a period of significant strain in PJM, which serves 67 million people across 13 states and Washington, D.C. PJM set a record peak load of 168.2 GW on July 2, and capacity prices in the region have reached record highs. Against that backdrop, the Google-Voltus deal illustrates one pathway for large load operators to address capacity obligations through demand-side flexibility rather than relying solely on new generation. Voltus COO Tim Hade said at Latitude Media's Flex Summit in October that "we can build distributed capacity faster than we can build centralized capacity in the United States today," adding that the industry must prove over the next three to five years that it can operate at 10- to 20-gigawatt levels. The expansion follows Voltus' $225 million Series D raise announced October 8, in which the company said it expects to scale to 20 GW by 2030, as well as its acquisition of energy storage startup Brightfield in June. For data center developers and utilities, the arrangement demonstrates how hyperscalers can leverage existing customer flexibility in the same market to manage capacity exposure, though the sources do not specify how the virtual power plant's performance will be measured or verified for PJM's purposes beyond Voltus assuming Google's obligation.