Electric cars sitting idle in driveways and parking lots could help stabilize power networks by sending electricity back into the grid during peak consumption hours, yet this vehicle-to-grid concept hasn’t moved beyond small tests across the United States. New research from North Carolina State University identifies why the technology with clear benefits for drivers and utilities alike remains mostly theoretical.
The basic idea is pretty straightforward. Cars spend most of their time parked, and battery-powered vehicles essentially amount to energy storage on wheels that could discharge power when demand spikes or renewable sources go dark.
Owners would earn money by letting their vehicles feed the network during afternoon and evening consumption peaks or after sunset when solar generation stops. North Carolina State assistant professor Serena Kim says awareness of these potential benefits remains extremely low among both vehicle owners and the general public.
Current deployments skew heavily toward buses and commercial fleets rather than personal vehicles. Power companies haven’t launched broad programs targeting the cars and trucks regular consumers buy and park at home each night.
Electric vehicle sales continue climbing, with America’s roads now hosting an estimated 4 million battery-powered cars, yet utility involvement in harnessing this distributed storage resource stays minimal.
Kim and her research team spoke with 42 people across the vehicle-to-grid ecosystem, including utility executives, automaker representatives, government officials at multiple levels, school transportation managers, and drivers who tested early programs. These conversations aimed to map out what blocks wider adoption, how different groups view the technology, and which obstacles matter most.
The interviews revealed a coordination impasse rather than technical shortcomings. Nobody wants to move first. Power companies seek proof that enough compatible vehicles exist before building charging infrastructure and establishing payment frameworks. Vehicle owners won’t sign up without clear information about earnings.
Prospective buyers can’t factor potential grid-service revenue into purchase decisions when programs don’t exist. Each group waits for others to commit resources, creating a standoff.
Utilities sit at the center of this stalemate with the strongest ability to organize stakeholders and get programs running, but profit incentives remain weak. Beyond marginal improvements in network reliability, companies see little financial upside from the substantial infrastructure investments required.
Regulatory fragmentation compounds the problem severely. Technical specifications and connection rules change from state to state and sometimes between neighboring municipalities, preventing manufacturers, charging companies and utilities from developing standardized systems that work everywhere.
This patchwork blocks the large-scale deployment needed to make economics work. Solving adoption requires unified technical requirements and connection protocols across regions, Kim argues.
Until jurisdictions align their rules, the technology capable of stabilizing electricity networks while cutting vehicle ownership expenses will stay trapped in isolated experiments instead of reaching mass deployment. The research, authored by Crystal Soderman from University of Colorado Denver alongside Jen Yip from North Carolina State and Manish Shirgaokar from Colorado Denver, appears in the journal Utilities Policy.
Perhaps businesses like Massimo Group (NASDAQ: MAMO) could nudge utilities to give this matter a more than cursory look so that the prospects of the concept can be leveraged for the benefit of all parties.
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