Parking spaces that could host EV charging at workplaces and retail (estimate)

Which parking spaces does this estimate cover?

The useful starting unit is a physical parking space attached to a defined destination. A workplace serves employees during a shift. A retail destination serves shoppers during a visit, often alongside employees and deliveries. Keep those uses attached to the same parking map so shared spaces receive a consistent allocation.

This estimate covers US office buildings and the U.S. Energy Information Administration (EIA) category Retail other than mall, with separate lighted parking areas containing at least 20 spaces. It includes the full building-size range within that filter. The parking must be associated with the building and lit through its electrical service to enter the public-data reference pool. The model then separates surface parking from garages and applies the screening factors below.

Offices are the workplace reference. Factories, warehouses, hospitals, schools, hotels, food-sales buildings, strip shopping centers and enclosed malls belong in separate cohorts. Indoor parking within the building, mixed indoor and separate parking, and unlighted parking also sit outside this calculation. A territory team should add those populations through their own measured inventories.

Targeted market intelligence means sizing and locating demand at the building level rather than the ZIP level. Here, that means connecting each parking area to its intended drivers, physical constraints, existing charging and approving party. The national estimate sizes a research pool; the local file identifies the work worth developing.

How many parking spaces could host EV charging?

Anvilfield estimates 12.8 million candidate parking spaces at office workplaces and retail sites in the defined 2018 US reference stock, with a range of 5.5 million to 23.1 million spaces. Candidate spaces are the planning pool remaining after surface-parking, shared-lot and host-feasibility screens.

Anvilfield estimates 9.0 million candidate workplace spaces, ranging from 3.9 million to 16.4 million, from the office cohort. Anvilfield estimates 3.8 million candidate retail spaces, ranging from 1.5 million to 6.7 million, from retail buildings outside malls.

Anvilfield estimates 34.6 million reported lighted spaces in the reference pool, 27.5 million unique surface spaces and a candidate share of 36.9% of reported spaces.

Anvilfield estimates a central starter allocation of 896,000 workplace charging ports and 153,000 retail charging ports within that candidate pool. Anvilfield estimates 1,049,000 combined starter ports, with a scenario range of 227,000 to 2,861,000 ports. Those totals describe the planned allocation including existing charging; the project register calculates additional ports after checking what already operates.

Read the table from reported parking through unique surface spaces to charging candidates and port allocation. Methodology records the source years, filters and range definitions.

How to cite this estimate: Anvilfield, Parking spaces that could host EV charging at workplaces and retail (estimate), 2026, https://anvilfield.com/field-guides/market-intelligence/parking-spaces-that-could-host-ev-charging-at-workplaces-and-retail-estimate/

What separates a parking space from a charging port?

A parking space is a place to leave a vehicle. A charging port serves a vehicle during a charging session. A cabinet or pedestal carries equipment, and its connector count does not by itself establish how many vehicles charge simultaneously. Keep those quantities in separate columns when matching a parking map to an equipment schedule.

Candidate spaces identify the pool available for charging planning. The starter allocation reserves a smaller portion of that pool for active ports. The remaining spaces support ordinary parking, later expansion and alternative layouts. A large lot therefore supports a broad planning envelope while its initial equipment order stays tied to actual driver needs.

Also distinguish a site from a building. An office campus has multiple buildings served by shared parking, while a retail building has parking spread across several parcels. Give the parking area a stable identifier and connect the buildings to it. Count purchasing accounts above the physical sites, because a portfolio owner often approves work across several addresses.

Use a clear status sequence: mapped parking, candidate charging area, host-approved concept, engineered design and operating equipment. The meaning of a count changes as it moves through those stages. A sales report should show the stage beside the quantity so readers know what decision the number supports.

How do leading teams measure a local parking market?

Building-first prospecting means starting with the building and what is visible on it, then finding the decision maker. For charging, start with the parking boundary and destination, establish a usable space count, and connect the site to an owner and operator. This keeps the geographic search tied to the installation that the team intends to deliver.

Leading manufacturers, distributors and service companies measure territories directly with building-level data such as PorchRocket's Ground Control, which offers commercial-property searches for paved parking areas and delivers lists within 48 hours after payment. The development team then reconciles the parking boundaries and assigns the appropriate host category.

Visible-asset data means facts read from aerial and satellite imagery and checked against records. Parking rows, circulation paths and visible equipment positions belong in that evidence layer. Electrical spare capacity, a landlord's approval and a charger's operating condition belong in separate verification fields.

Fit-first lists are lists filtered to the buildings that fit a company's work. A workplace installer should select sites with an appropriate employee parking pattern and a practical route to host approval. A retail charging developer should select destinations whose visit pattern fits the intended charging service. Both need a defined reason for keeping or rejecting each property.

For custom parking-area discovery, PorchRocket's Asset Search returns reviewed findings with the owner of record on every find across the lower 48 states. Use that ownership evidence to begin authority research, then identify who controls the spaces and who can approve construction.

Write the selection rule before counting the territory. Define the host uses, parking forms, evidence dates and treatment of shared areas. Rejected and unresolved properties belong in the same research file with a reason, so a later researcher can distinguish a completed review from a missing record.

What makes a workplace or retail location a good host?

Start with the service the driver expects. Workplace charging usually serves a predictable group whose vehicles remain through a shift. Retail charging serves visitors with different arrival times and visit lengths. Ask the host to describe those patterns before selecting equipment or promising an energy delivery.

An employee survey, parking observations and existing charging records give the workplace team a usable demand file. Record shift overlap, access restrictions and the procedure for moving a charged vehicle. A port that employees can share under a workable policy provides a different service from a space reserved all day for its first arrival.

At retail properties, separate shopper visits from employee parking and nearby corridor traffic. Observe the destination's actual operating pattern. A long restaurant visit and a quick pickup stop produce different charging opportunities even when the surrounding pavement looks similar. U.S. Department of Energy (DOE) public-charging guidance places slower charging where drivers concentrate and stay longer.

In Anvilfield's energy benchmark, a 7.2 kW port delivers 38.9 kWh over a 6-hour workplace stay. The same port delivers 9.7 kWh over a 1.5-hour retail visit. Compare that energy with the host's intended service before choosing between alternating-current charging and direct-current fast charging.

Put the service promise in the concept brief: intended users, access hours, expected energy during the stay and responsibility for a failed session. The equipment choice, operating policy and site layout should all support that promise.

Field rules and planning benchmarks

These are Anvilfield's central planning rules for this reference model. They make the arithmetic portable to a first territory screen. Replace the screening ratios with reviewed local results as the site inventory develops, and retain both values so another estimator can reconstruct the change.

Apply shared-parking correction to the physical stock before applying the host screen. Apply the port allocation to candidate spaces after that screen. For energy planning, multiply power by the available charging window and the delivery factor. A power cap changes the energy budget across the entire charging group.

Which electrical and civil facts change the space count?

The route from the electrical supply to the charging area often decides which part of a lot deserves further study. Record the proposed equipment location, trench route, pavement restoration and crossings. A nearby light pole establishes a visible feature; the electrical review establishes available supply and the work needed to serve charging.

Give the qualified electrical designer the existing service information, load records, proposed operating schedule and equipment requirements. Review managed charging as part of that design. The resulting power budget should feed back into the port allocation and driver service promise, especially when multiple vehicles share constrained capacity.

Civil layout deserves an equally explicit review. Locate pedestrian travel, delivery paths, fire access, drainage features, snow storage and the accessible route. Charging equipment, protective posts and stored cables all occupy space that a simple stall count leaves unresolved. Compare a drawn layout with actual field conditions before freezing the candidate area.

The U.S. Access Board's charging guidance addresses access to the vehicle, charger controls and connecting routes. Have the project designer apply the requirements relevant to the site and distinguish them from the document's additional design recommendations. Keep charging accessibility and the existing parking-accessibility review connected throughout the layout work.

Return the findings to the market file in useful language: supply review pending, trench crossing priced, layout revised, host approval pending or concept released. The next person should see which fact changes the scope and who owns the next action.

How should existing charging change the opportunity?

Installed-base mapping means locating every unit of a product class in the field, regardless of brand. A charging inventory should connect each operating port to its parking area, equipment record and host. Keep inactive equipment, planned installations and confirmed operating ports in separate fields.

Subtract existing usable ports from the site's target allocation when calculating additional equipment. Use a floor of zero for expansion quantities, then track repair, replacement and relocation as their own scopes. An aging charger at a fully served site produces a different opportunity from an empty area with an approved expansion plan.

Check the host's records and equipment status before treating a visible cabinet as available charging. Confirm simultaneous charging capability and operating access. Photograph the equipment identifier and link it to the relevant schedule so the design and service teams work from the same record.

The nationwide starter allocation in this article includes both existing and additional ports. Convert it into a local purchasing forecast only after the site file contains existing equipment, the approved target, the proposed delivery schedule and the party buying the work.

Worked example: a regional property manager

A regional property manager reviews 20 locations: 12 office workplaces with 180 surface spaces each and 8 retail properties with 240 surface spaces each. The reviewed register contains 4,080 unique physical spaces. Parking boundaries and surface classification are already resolved, so the example starts at the host screen.

The central screen retains 90 candidate spaces per office and 96 per retail property. Across the portfolio, that produces 1,080 workplace candidate spaces and 768 retail candidate spaces, or 1,848 combined.

The office starter allocation is 9 ports per site. The retail calculation rounds up to 4 whole ports per site. That gives the manager a target of 140 ports across the portfolio. Verified existing equipment contributes 3 operating ports at each office and 2 at each retail property, totaling 52 ports.

The resulting expansion package contains 72 additional workplace ports and 16 additional retail ports, or 88 additions. Keep the existing ports in the electrical and operating review because they continue to consume power and occupy charging space.

The manager now groups sites by their next decision. Locations with complete host and electrical reviews enter design. Sites with unresolved parking control return to the property team. Sites with a difficult supply route receive a revised concept and cost review. The portfolio count sets the research workload; those decisions establish the release schedule.

The local file also shows why the national and portfolio calculations differ. Reviewed surface spaces replace the national surface and shared-parking factors. Whole-port rounding happens at each property, where equipment is installed. Existing equipment is deducted at the same property before totals reach the portfolio report.

Who controls the parking and approves the project?

Separate ownership, parking control, electricity responsibility and purchasing authority. A tenant's facilities contact often knows the operating need, while a landlord controls changes to the lot. A third-party charging operator adds another approval and operating relationship. Record those roles before sending a construction proposal.

Ask the host to identify the person who can approve the parking allocation and the person who approves electrical work. Tie both to the relevant property or lease records. Then establish who buys equipment, who holds the utility account and who handles service after turnover.

Give each approving party a concise decision packet: marked parking area, intended drivers, existing charging, proposed service, unresolved constraints and next action. This makes the handoff useful to an owner, operator or contractor without requiring them to interpret the entire market model.

Keep the buying route visible when comparing sites. A portfolio program, a tenant request and a charging-network development agreement follow different approval paths. Rank the readiness of the evidence alongside the physical capacity so the team spends its next site visit productively.

How do leaders keep a parking inventory current?

Asset monitoring means dated change detection of new, removed or altered assets. For charging development, useful changes include restriped parking, construction staging, new equipment positions and changes to the building served. Record the observation date and retain the earlier view so a reviewer can explain what changed.

Teams maintaining a territory inventory use PorchRocket's Asset Search for custom finding and monitoring of assets visible from above. Scope the observable parking or equipment change, then assign field follow-up for operating status and electrical details that the imagery does not establish.

A changed parking count should trigger a review of the candidate area and the charging concept. A newly installed charger should trigger reconciliation of the equipment register and expansion quantity. A tenant change should trigger renewed host and access review. These are different events, and each belongs with its supporting evidence.

Preserve the previous count, the revised count, the reason and the reviewer. That history lets a distributor explain a territory change and lets a property manager trace a revised equipment package. Update the commercial forecast when the project evidence changes, keeping observations and purchasing releases distinct.

Which counting errors inflate the market?

Shared parking is the most direct duplication trap. Several building records can describe the same physical lot. A parcel boundary also divides land differently from a parking operation. Reconcile the parking area before summing it across building uses, tenants or sales territories.

A second error is treating all reported separate parking as outdoor surface parking. The CBECS category also includes separate garages. Preserve that category in the source notes and replace the model's surface factor with direct local classification when a site is reviewed.

Another error is multiplying parking spaces directly by charger price. A candidate space, an active port, an additional port and a purchased installation represent different stages. The starter allocation and existing-equipment reconciliation give the equipment count a defensible meaning before pricing begins.

Keep this parking estimate's denominator attached to any comparison. The companion manufacturer playbook converts floor area within a selected building-size band into parking. This article starts with reported lighted parking capacity across the selected activities. Compare their filters and methods before combining a territory metric or quoting either total.

Finally, preserve the stock year in presentations and exports. This research edition uses the public reference inventory shown below. Additions, removals and changes in use belong in a separately dated local update so a reader can see how the underlying inventory changed.

Parking-to-project checklist

Release a site to the next development stage with a record another person can review. An unresolved item needs an owner and a next action; a completed item needs evidence attached to the site.

Methodology

Public inputs: download S1 and interpret it with S2. Select PBA=2 for offices and PBA=25 for Retail other than mall; require PKLT=1, PKLTINOUT=2 and PKLTN>=20. Sum FINALWT for buildings and FINALWT x PKLTN for spaces. The selected sample counts and weighted totals appear below. The threshold avoids the codebook's grouped smallest-capacity response.

Sampling: S3 specifies 151 replicate weights and coefficient 1. For each public-stock row, recompute the total with each weight; sum squared differences from the full-weight total and take the square root for its standard error. Low and high are the central estimate plus or minus 1.96 standard errors, approximate 95% bounds. Combined-space bounds use combined replicate totals. The public file's masking explains differences from unmasked EIA tables.

Model research settings: hold central public stock fixed. Apply surface shares of 70% / 85% / 100% for offices and 85% / 95% / 100% for retail, a unique-space share of 80% / 90% / 100%, and screening retention of 30% / 50% / 70% for offices and 20% / 40% / 60% for retail sequentially, then allocate ports to 5% / 10% / 15% of workplace candidates and 2% / 4% / 6% of retail candidates. Surface shares separate lots from garages. The unique-space factor reduces shared-parking duplication. Screening retention combines practical electrical-route, charging-layout and host-control constraints. These are Anvilfield sensitivity settings, applied by space count, rather than observed qualification rates. Low and high vary them jointly and carry no statistical coverage claim.

The reference stock receives no post-survey growth adjustment. Candidate spaces include areas with existing charging, and the starter allocation includes existing ports. Actual electrical capacity and driver demand enter local qualification. Source rows round buildings to thousands and spaces to hundred-thousands; model ports round to thousands. Ratios use unrounded values. Displayed components therefore do not always add exactly.

Energy settings: 7.2 kW per port, 6 workplace hours, 1.5 retail hours and 90% delivery efficiency, with charging available throughout each window. The managed case has 10 ports, a 36 kW cap and 20 kWh per complete session; round complete sessions down. The portfolio has 12 offices with 180 reviewed spaces and 3 existing ports each, plus 8 retail sites with 240 spaces and 2 existing ports each. Apply host screening and port allocation, round target ports up at each site, then subtract existing ports. Vehicle acceptance and operating conditions belong in local review.

For local input replacement, PorchRocket's Ground Control publishes commercial-building list prices of $10 to $20 per building. Budget that acquisition separately from parking review, electrical assessment and host qualification. The research archive preserves the downloaded sources, HTTP results, file hashes, calculation script and unrounded output.

Related tools

FAQ

People also ask

• What is the difference between Level 1, Level 2, and DC fast charging?
• What size wire for a 48A charger?
• What is DC fast charging?
• What is an electrical load calculation?
• What is a service upgrade?

Sources checked

• S1. EIA 2018 CBECS public-use microdata Source year: 2018 survey; revised 2022.
• S2. EIA 2018 CBECS microdata codebook Source year: 2018 survey; revised 2022.
• S3. EIA 2018 CBECS public-use microdata user guide Source year: 2023.
• S4. DOE AFDC workplace charging Source year: Undated live guidance; accessed 2026.
• S5. DOE AFDC charging infrastructure procurement and installation Source year: Undated live guidance; accessed 2026.
• S6. U.S. Access Board EV charging accessibility recommendations Source year: Updated 2023.
• S7. DOE AFDC public charging Source year: Undated live guidance; accessed 2026.
• S8. PorchRocket Ground Control Source year: 2026 live offer.
• S9. PorchRocket Asset Search Source year: 2026 live offer.