Solar for Electric Vehicle Charging

Detailed overview of innovation with sample startups and prominent university research

What it is

Solar for electric vehicle (EV) charging involves using solar energy to power EV charging stations. This approach reduces reliance on the grid and allows EV owners to charge their vehicles with clean and renewable energy.

Impact on climate action

Solar for Electric Vehicle Charging under Distributed Solar PV advances climate action by promoting clean transportation. By utilizing solar energy to charge electric vehicles, this innovation reduces reliance on fossil fuels, lowers emissions, and accelerates the transition to sustainable mobility, contributing to a greener and more resilient transportation system.


  • Solar PV Panels: Solar panels convert sunlight into electricity.
  • EV Charging Stations: Charging stations provide the necessary infrastructure to charge EVs.
  • Power Conversion Systems (PCS): PCS convert the DC electricity generated by solar panels into AC electricity for EV charging.
  • Energy Management Systems (EMS): EMS optimize the charging process, ensuring efficient energy utilization and grid stability.
  • Grid Integration: Solar EV charging systems can be grid-tied or off-grid. Grid-tied systems can draw power from the grid when solar energy is insufficient, while off-grid systems rely solely on solar energy and often incorporate energy storage.

TRL : 7-8

Prominent Innovation themes

  • Smart Charging Stations: Smart charging stations can optimize charging based on factors such as solar energy availability, electricity prices, and user preferences.
  • Bidirectional Charging: Bidirectional charging technology allows EVs to not only draw power from the grid but also discharge power back to the grid or to a building, providing grid services and enhancing energy resilience.
  • Vehicle-to-Grid (V2G) Integration: V2G technology allows EVs to act as mobile energy storage units, providing grid services and supporting grid stability.
  • Integrated Solar-Plus-Storage-Plus-EV Charging Systems: Companies are developing integrated systems that combine solar panels, energy storage, and EV charging into a single, optimized solution.

Other Innovation Subthemes

  • Solar Integration in Urban Infrastructure
  • Smart Grid Solutions for Solar EV Charging
  • Next-Gen Solar-Powered Charging Stations
  • Grid-Interactive Solar EV Charging
  • Solar-EV Synergy: V2G Innovations
  • Solar-EV Microgrid Solutions
  • Solar EV Charging: Future Mobility Hubs
  • Solar-Storage-EV Integration Solutions
  • Advanced Energy Management for Solar EV
  • Solar-Powered Fleet Charging Solutions

Sample Global Startups and Companies

  • ChargePoint:
    • Technology Enhancement: ChargePoint is a leading provider of electric vehicle charging infrastructure, including solutions that integrate solar power for EV charging stations. Their solar-enabled charging stations utilize photovoltaic panels to generate renewable electricity, which is used to charge electric vehicles. This approach allows for sustainable and grid-independent EV charging solutions.
    • Uniqueness of the Startup: ChargePoint stands out for its extensive network of EV charging stations and its commitment to sustainability through the integration of solar power. Their solutions support the growth of electric vehicle adoption while reducing reliance on fossil fuels and grid-based electricity for transportation.
    • End-User Segments Addressing: ChargePoint serves a diverse range of customers, including businesses, government agencies, fleet operators, and individual EV owners. Their solar-powered EV charging stations are deployed in various locations such as workplaces, retail centers, public parking facilities, and residential communities, providing convenient and environmentally friendly charging options.
  • EVgo:
    • Technology Enhancement: EVgo is a leading operator of public fast charging networks for electric vehicles, including stations that incorporate solar power. Their solar-powered charging stations leverage photovoltaic panels to generate clean electricity, which is used to charge electric vehicles quickly and efficiently. EVgo’s solutions aim to reduce greenhouse gas emissions and promote sustainable transportation.
    • Uniqueness of the Startup: EVgo stands out for its focus on fast-charging infrastructure and its efforts to incorporate renewable energy sources such as solar power. Their extensive network of fast chargers provides convenient access to high-speed charging for electric vehicle drivers, helping to accelerate the transition to electric mobility.
    • End-User Segments Addressing: EVgo serves electric vehicle drivers across the United States, offering fast-charging solutions for urban, suburban, and highway travel. Their solar-powered charging stations are deployed along major transportation corridors, in metropolitan areas, and at key destinations, providing reliable and sustainable charging options for EV owners.
  • SunMobility:
    • Technology Enhancement: SunMobility is a pioneer in electric mobility solutions, including battery swapping and solar-powered charging infrastructure for electric vehicles. Their solar-enabled charging stations harness solar energy to recharge electric vehicle batteries, offering a renewable and grid-independent charging solution. SunMobility’s approach aims to make electric mobility more accessible and sustainable.
    • Uniqueness of the Startup: SunMobility stands out for its innovative approach to electric vehicle charging, combining battery swapping technology with solar power integration. Their solutions address the challenges of EV charging infrastructure scalability, grid integration, and renewable energy adoption, paving the way for mass electrification of transportation.
    • End-User Segments Addressing: SunMobility serves a wide range of customers, including fleet operators, ride-hailing companies, municipalities, and transportation service providers. Their solar-powered charging stations are deployed in urban areas, transport hubs, commercial centers, and public spaces, providing efficient and eco-friendly charging solutions for electric vehicles.

Sample Research At Top-Tier Universities

  • Stanford University:
    • Research Focus: Stanford University is pioneering research on integrating distributed solar photovoltaic (PV) systems with electric vehicle (EV) charging infrastructure, focusing on developing advanced technologies and strategies for solar-powered EV charging solutions.
    • Uniqueness: Their research involves the development of smart grid integration platforms, bidirectional charging systems, and energy management algorithms to optimize the coupling of solar generation with EV charging demand. They also explore innovative business models, regulatory frameworks, and consumer behavior studies to promote the adoption of solar EV charging solutions.
    • End-use Applications: The outcomes of their work have applications in residential, commercial, and public EV charging stations. By harnessing solar energy for EV charging, Stanford’s research contributes to reducing greenhouse gas emissions, enhancing grid reliability, and promoting sustainable transportation options.
  • University of California, Berkeley:
    • Research Focus: UC Berkeley is engaged in innovative research on Solar for Electric Vehicle Charging, leveraging its expertise in energy economics, transportation policy, and renewable energy systems to develop scalable and equitable solutions for solar-powered EV charging infrastructure.
    • Uniqueness: Their research encompasses the design and deployment of solar-integrated EV charging stations, microgrid-enabled charging networks, and vehicle-to-grid (V2G) technologies to optimize energy use, reduce costs, and enhance grid stability. They also analyze the socio-economic impacts, equity considerations, and regulatory barriers associated with solar EV charging deployment.
    • End-use Applications: The outcomes of their work find applications in urban mobility, fleet electrification, and renewable energy integration. By advancing solar-powered EV charging technologies, UC Berkeley’s research supports the transition to a low-carbon transportation system, improves air quality, and fosters energy independence.
  • Delft University of Technology (TU Delft):
    • Research Focus: TU Delft is conducting groundbreaking research on Solar for Electric Vehicle Charging, leveraging its expertise in solar energy conversion, electric mobility, and urban planning to develop innovative solutions for solar-integrated EV charging infrastructure.
    • Uniqueness: Their research involves the development of solar carports, solar canopies, and solar-powered charging stations equipped with bidirectional charging capabilities and vehicle-to-grid (V2G) functionality. They also explore architectural integration, aesthetic design, and user experience aspects to enhance the acceptance and adoption of solar EV charging solutions.
    • End-use Applications: The outcomes of their work have applications in residential complexes, commercial parking lots, and public transportation hubs. By combining solar energy with EV charging infrastructure, TU Delft’s research contributes to reducing carbon emissions, promoting renewable energy use, and enhancing urban resilience.

commercial_img Commercial Implementation

Solar-powered EV charging stations are being implemented in various locations around the world, including public parking lots, shopping malls, and along highways. For example, Tesla has deployed a network of solar-powered Supercharger stations in several countries.