In short: charging-as-a-service means paying a provider a regular fee for chargers, installation, software and maintenance instead of buying them. It spreads the cost, moves performance risk to the provider and can get a depot running quickly. Buying outright usually costs less over the long run and gives you more control. The right choice depends on your cash position, how certain your fleet plans are, and how well the service contract protects you.
As fleets electrify, many providers now offer charging, and sometimes vehicles, on a subscription basis. This article explains how the main models compare and what to check before signing.
What is charging-as-a-service?
The provider designs, installs, owns and maintains the charging equipment at your site and charges you a fee, usually monthly, per charger or per kWh delivered. Some offers go further and bundle the vehicles, energy supply and software. Zenobē, for example, describes end-to-end solutions to fleet electrification, including charging infrastructure, battery replacement and software.
How do the models compare?
| Factor | Buy outright | Lease or finance | Charging-as-a-service |
|---|---|---|---|
| Upfront cost | High | Low to medium | Low or none |
| Ownership | You own the assets | Usually you, at the end | Provider owns them |
| Maintenance risk | Yours | Usually yours | Provider’s, under the contract |
| Flexibility to change supplier | High | Medium | Limited during the term |
| Long-run cost | Usually lowest | Medium | Usually highest, in exchange for less risk |
When does charging-as-a-service make sense?
- Capital is tight or better spent on vehicles.
- You lack in-house expertise to specify, procure and run charging.
- Speed matters and the provider can deliver faster than a full tender.
- The site is short-term, such as a leased depot, and you do not want assets you may have to remove.
When is buying better?
- You will keep the site long term and want the lowest lifetime cost.
- You want control over hardware, software and who maintains it.
- Grants are available that reduce the purchase price. Check whether they apply under each model; our Depot Charging Scheme explainer covers what to confirm. The government says the scheme can cover up to 70% of the cost for vans, coaches and eHGVs.
What should a service contract include?
With charging-as-a-service you are buying an outcome, so the contract must define it.
| Clause | Why it matters |
|---|---|
| Uptime and repair targets per charger | The service you pay for, with remedies when it is missed |
| Fee structure and indexation | How fees change with use and over time |
| Term, break clauses and exit | What happens if your fleet plans change |
| End of term | Whether you can buy the assets, renew, or have them removed, and at what cost |
| Data access | Your right to session and energy data in a usable format |
| Energy pricing | If energy is included, how the price is set and when it can change |
| Open standards | OCPP chargers, so you are not locked in at the end |
Our guide to charger uptime and service levels sets out how to define performance, and OCPP explained covers why open protocols matter at the end of a contract.
How do you compare offers fairly?
Put every option on the same footing: total cost over the same period, including fees, energy, maintenance, and the cost of downtime. Our total cost of ownership model shows the method. Then weigh the difference in cost against the risk the service provider takes on. A higher monthly fee can be good value if it removes a risk you could not otherwise manage.
Frequently asked questions
Is charging-as-a-service more expensive?
Usually over the full term, because the provider prices in its capital and risk. Whether it is worth it depends on how much that risk transfer is worth to you.
Can I switch provider during the term?
Often only through break clauses. Read the exit terms carefully before signing.
Who owns the data?
Make sure the contract gives you full access to charging data, both during and after the term. Chargers that support the Open Charge Point Protocol can move to a different back office if you change provider.
Our procurement and supplier selection service compares ownership and service models on a like-for-like basis. Send us the offers you are weighing up.
