Long-Lived & Infrastructure Assets

How to Underwrite an EV Charging Network

Underwrite an EV charging network site by site: test whether utilization and price per kWh cover electricity costs, demand charges, site rent and maintenance, then size capital to stations with operating history. The metrics that matter most are utilization by site, gross margin per kWh after demand charges, charger uptime and the remaining term of site host agreements.

What makes ev charging network underwriting different

An EV charging network is a set of distributed sites, each with its own traffic, power cost and lease terms. Revenue comes from selling electricity per kWh or per minute, plus subscriptions, fleet contracts and environmental credits where available. DC fast chargers are expensive and face utility demand charges that can overwhelm revenue at low utilization, while Level 2 chargers cost less but earn less. Value comes from good locations, high uptime and growing EV adoption. Risks include low early utilization, hardware reliability, technology and connector standard changes, competition from nearby sites and dependence on grants with compliance obligations.

Lenders are cautious because most networks have limited operating history. They prefer contracted revenue such as fleet charging agreements or charging-as-a-service contracts with creditworthy hosts, or they lend against portfolios of mature sites with demonstrated utilization. Equity investors underwrite the adoption curve and site-level ramp, aiming to secure scarce high traffic locations early. Equity accepts negative cash flow on new sites in exchange for owning the network when adoption matures. Lenders need diversification across sites and regions, seasoned cohorts with at least a year or more of data, and coverage measured on actual results rather than adoption forecasts.

Key metrics

Utilization rate by site

Hours of charging or kWh delivered relative to capacity determines whether a site covers fixed costs.

Gross margin per kWh after demand charges

Demand charges can make low-utilization fast chargers unprofitable even at high retail prices.

Charger uptime

Downtime loses revenue and damages customer loyalty; grant programs often require minimum uptime.

Public funding programs commonly require uptime of around 97% for funded chargers.

Site-level EBITDA and payback

Each site's cost and return show how capital is being deployed.

Site host agreement term

Charger investment must be recovered before the right to occupy the site ends.

Contracted revenue share

Fleet and charging-as-a-service contracts add predictable cash flow.

How to underwrite it, step by step

Build a site-level dataset of chargers, kWh delivered, sessions, pricing, uptime and costs.
Analyze utility tariffs and demand charges for each site and model margin at current and projected utilization.
Review site host agreements for term, revenue share, exclusivity and removal provisions.
Assess hardware vendor, warranty, maintenance contracts and uptime history.
Review grant agreements for operating requirements, clawbacks and transfer restrictions.
Group sites into cohorts by age and model ramp curves using mature cohort data.
Size debt to seasoned sites and contracted revenue, with growth capital from equity.

Due diligence checklist

Site-level utilization and revenue data
Utility tariffs and electricity bills
Site host and lease agreements
Fleet charging or charging-as-a-service contracts
Hardware purchase agreements and warranties
Maintenance and network service agreements
Uptime and outage logs
Grant and incentive agreements
Interconnection and make-ready agreements
Environmental credit sales records

Key risks and mitigants

Low utilization relative to demand charges

Model each site's margin at realistic utilization and seek tariffs or storage that mitigate demand charges.

Hardware reliability and obsolescence

Diligence vendor reliability, warranties and fund a replacement reserve.

Site host termination

Require site agreements longer than payback periods with compensation on early removal.

Grant clawback for non-compliance

Review grant terms and track uptime and reporting obligations.

Competitive entry near sites

Analyze nearby charger build-outs and stress pricing.

Typical financing and deal structure

EV charging networks are mostly financed with venture or growth equity, infrastructure fund equity, government grants and utility make-ready incentives. Debt is emerging through project finance style facilities against contracted fleet or host revenue, equipment financing for chargers and portfolio loans against seasoned sites with demonstrated utilization. Delayed draw facilities can fund new sites with advance rates tied to capex and conditions requiring minimum utilization in prior cohorts. Covenants commonly include minimum DSCR on seasoned sites, uptime requirements, limits on grant-funded asset transfers and capex controls. Charging-as-a-service structures, where a provider owns chargers and charges a fleet a fixed fee, are financed similarly to equipment leases.

Red flags

Debt sized on projected utilization with no seasoned site data.
Fast chargers at sites with high demand charges and low traffic.
Site agreements shorter than the payback period.
Uptime below grant requirements.
Hardware from a vendor with weak financial standing or discontinued models.

Frequently asked questions

What utilization does a fast charger need to be profitable?

It varies with electricity tariffs, demand charges, pricing and site costs. Sites with high demand charges need more sessions to spread that fixed charge. Underwriters calculate breakeven utilization for each site using its own tariff and cost structure rather than relying on a general figure.

What are demand charges and why do they matter?

Demand charges are utility fees based on peak power drawn in a billing period, not total energy used. A fast charger drawing high power even briefly can trigger large monthly charges. At low utilization these fees can exceed charging revenue, making them a central underwriting issue for DC fast charging.

Can EV charging networks get debt financing?

Yes, increasingly, but lenders prefer contracted revenue, such as fleet charging agreements, or portfolios of sites with operating history. Early networks rely mostly on equity and grants. Debt is typically sized to seasoned sites with demonstrated utilization and coverage, with growth sites funded by equity.

What are the risks of grant-funded EV chargers?

Grants often require minimum uptime, public access, pricing transparency, reporting and operating periods. Failure to comply can trigger repayment. Grants may also restrict asset sales or liens. Lenders must review these obligations to understand constraints on collateral and cash flow, and confirm that a lender or buyer could step in and keep operating the sites without triggering a clawback.

Underwrite a ev charging network deal in minutes

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Educational content, not investment, credit, legal or tax advice. Benchmarks are common practitioner rules of thumb and vary by lender, market and cycle.