The Future of Commercial Parking Lots: Solar Canopies, Batteries, and EV Charging
For decades, the commercial parking lot has served one primary purpose: providing customers and employees with a place to park.
That’s beginning to change.
As businesses electrify their operations, install EV charging, and look for new ways to control rising electricity costs, parking lots are becoming increasingly valuable energy assets.
For restaurants, retailers, grocery stores, hotels, and other businesses with large parking areas, the combination of solar canopies, battery storage, and EV charging can transform previously underutilized real estate into infrastructure that generates electricity, manages energy costs, supports electric vehicles, and improves the customer experience.
For companies operating hundreds or thousands of locations, the opportunity is even larger.
The commercial parking lot could become one of the most important components of the distributed energy system of the future.
Solar Canopies Turn Parking Lots Into Power Plants
The foundation of this transformation is the solar canopy.
Solar canopies are elevated structures installed over parking spaces with photovoltaic panels mounted above them. Instead of consuming additional land, they use an area that already exists while allowing the parking spaces below to continue serving their original purpose.
For many commercial properties, this solves one of the fundamental limitations of rooftop solar: available space.
Restaurants and retail buildings often have relatively small rooftops compared with their electricity consumption. Those roofs may also contain HVAC equipment, vents, skylights, exhaust systems, and other obstructions that reduce the area available for solar.
Parking lots can provide significantly more usable area.
A company can therefore potentially install a larger solar system without affecting its building or acquiring additional land.
The electricity produced can be consumed directly by the business, reducing the amount of power purchased from the electric utility.
But electricity generation isn’t the only benefit.
Solar canopies also provide covered, shaded parking, which can be particularly valuable in hot climates. They can protect vehicles from direct sunlight and weather while creating a visible demonstration of a company’s clean-energy investment.
For restaurants and retailers, that means an energy asset can simultaneously become a customer amenity.
EV Charging Changes the Equation
The growing adoption of electric vehicles makes commercial parking lots even more strategically important.
EV charging requires electricity precisely where vehicles are parked.
That creates a natural connection between parking, solar generation, and charging infrastructure.
Instead of viewing EV chargers as isolated pieces of equipment connected to a building, businesses can design parking lots as integrated energy systems.
Solar canopies generate electricity during the day. EV chargers consume electricity while customers or employees are parked. Battery systems can store electricity and help manage when energy is delivered.
This can be especially attractive for businesses where customers already spend meaningful time on-site.
Restaurants, grocery stores, shopping centers, hotels, entertainment venues, and workplaces can all provide opportunities for drivers to charge while they’re doing something they would have done anyway.
The parking lot effectively becomes an energy hub.
Battery Storage Adds Flexibility
Solar produces electricity when the sun is shining. EV charging demand occurs whenever vehicles plug in. A building’s electricity demand follows its own pattern.
Battery storage can help coordinate the three.
A battery can store electricity and discharge it later when it creates greater value.
Depending on the utility tariff, building load, and battery operating strategy, commercial battery systems can potentially help businesses:
- Shift solar production to higher-value periods
- Reduce peak electrical demand
- Manage time-of-use electricity costs
- Increase on-site consumption of solar energy
- Support EV charging loads
- Reduce stress on a building’s electrical infrastructure
- Provide backup power in appropriately designed systems
Consider a restaurant with a solar canopy producing significant electricity around midday.
If solar production temporarily exceeds the building’s needs, a battery may be able to store some of that energy rather than exporting it to the grid. Later, as solar production declines and electricity prices increase, the battery can discharge the stored energy.
EV charging adds another potential load for the system to manage.
Rather than treating solar, batteries, and EV chargers as three independent investments, businesses can increasingly evaluate them as one integrated distributed-energy system.
The Economics Are Becoming More Interesting
The financial case for parking-lot energy infrastructure depends on the individual property.
Electricity rates, utility tariffs, solar resources, incentives, construction costs, charging utilization, and building load profiles can all affect the economics.
But combining technologies can create benefits that aren’t always visible when each investment is evaluated independently.
A solar canopy, for example, can generate electricity for both the building and EV chargers.
Battery storage can help manage charging loads and electricity costs.
EV charging may create a customer amenity, support corporate sustainability objectives, or potentially generate charging revenue.
The same infrastructure can therefore create several different sources of value.
For companies with large real estate portfolios, the key is determining which combination of technologies makes sense at which locations.
One store might justify solar alone.
Another might benefit from solar and EV charging.
A third might have high demand charges or unfavorable time-of-use rates that make battery storage particularly valuable.
The optimal solution doesn’t need to be identical at every property.
Parking Lots Can Help Solve the EV Infrastructure Challenge
One of the challenges associated with widespread transportation electrification is determining where millions of vehicles will charge.
Commercial properties are an important part of the answer.
Businesses already have enormous amounts of parking infrastructure located where people work, shop, eat, sleep, and spend time.
Those parking spaces can gradually become charging locations.
But adding significant EV charging capacity can also create new challenges for commercial buildings.
Multiple fast chargers operating simultaneously can create substantial electrical demand. In some cases, adding charging capacity may require electrical service upgrades or utility infrastructure improvements.
This is where integrated energy planning becomes particularly valuable.
Solar can provide on-site generation. Batteries can help manage peak loads. Charging software can control when and how quickly vehicles charge.
The result can be a more sophisticated energy system than simply connecting chargers directly to the grid.
Solar Canopies Can Support California Development Requirements
In California, parking lots have another reason to become part of the energy conversation.
The state’s building energy standards require solar photovoltaic systems on many newly constructed commercial buildings, including certain restaurants and retail properties.
Depending on the project design and applicable requirements, solar-access areas can include qualifying roof space on covered parking structures and carports.
For developers, this means the parking lot can become part of the Title 24 solar strategy.
That can be particularly useful for restaurants, where rooftop space may be limited by mechanical equipment and other building systems.
Rather than treating solar as something that needs to be squeezed onto the roof at the end of the design process, developers can incorporate solar canopies into site planning from the beginning.
The same canopy can also be designed with future EV charging and energy-storage needs in mind.
Multi-Site Companies Have an Even Bigger Opportunity
The opportunity becomes particularly compelling when viewed at the portfolio level.
A restaurant company with 1,000 locations doesn’t simply have 1,000 parking lots.
It potentially has 1,000 distributed energy sites.
A retailer with thousands of properties could have hundreds of megawatts of potential solar-generation capacity distributed across its real estate portfolio.
Those assets could eventually include:
Solar generation → battery storage → EV charging → intelligent energy management.
Managing a network of this size requires a different approach than developing individual solar projects.
Companies need to understand the characteristics of every location: electricity consumption, utility rates, solar productivity, available parking area, incentives, charging demand, battery economics, interconnection requirements, and existing electrical infrastructure.
With that information, companies can rank locations and determine where investments should be made first.
Over time, the result could be an interconnected portfolio of distributed energy assets managed through a centralized platform.
The Parking Lot Becomes an Energy Asset
The commercial parking lot of the future may look very different from the asphalt lots businesses have built for decades.
Customers could park beneath solar canopies while their vehicles charge from electricity generated directly above them. Batteries could automatically store excess solar production and discharge when electricity is most valuable. Software could continuously optimize building demand, solar generation, battery operation, and EV charging.
At an individual property, that’s an interesting energy project.
Across hundreds or thousands of locations, it becomes something much larger: a distributed energy portfolio.
For multi-site companies, the question is no longer simply how much parking their properties require.
It’s increasingly:
How much energy value can those parking lots create?
At Integrate Solar, we’re helping multi-site companies answer that question by identifying, developing, installing, and managing distributed energy projects across their commercial portfolios.
The parking lot has always been an important part of the commercial property.
Now it has the potential to become one of its most valuable energy assets.