EV charging is where renewable electrons meet paying customers — and the software running the chargers decides whether a site earns or bleeds. Charge point management systems (CPMS) handle everything the driver never sees: OCPP connections, tariffs, roaming, load management, and settlement. This guide compares the platforms an operator can actually build a business on, from white-label enterprise suites to a genuinely free open-source route, on identical criteria.
White-label CPMS: AMPECO — your brand, their engine, hardware-agnostic.
Transparent SMB entry: Monta — public pricing from €300 first year plus per-socket fees.
Fleet & depot optimization: Ampcontrol — AI charging schedules where energy cost is the business.
North American operators: ChargeLab — the OCPP-native challenger stack.
Free open-source route: SteVe / CitrineOS — OCPP backends you host yourself.
Scope: charge point management software for businesses — CPOs, site hosts, fleets, and installers reselling charging as a service. Driver apps matter only as outputs; hardware, home-only apps, and utility DER programs are out of scope. Storage co-optimization is covered in our battery and microgrid guides. Six entries, identical criteria; order follows operator maturity, not rank.
Criteria: operator model served, protocol depth (OCPP/OCPI), energy and load management, billing and roaming, licensing model, and the main tradeoff. Monta publishes real figures; most of the category is quote-based — each is labeled (checked September 24, 2026).
At a Glance
| Platform | Pricing | Best For | Link |
|---|---|---|---|
| Driivz | Enterprise subscription (quote-based) | Large CPO & utility networks | driivz.com → |
| AMPECO | Platform subscription (quote-based) | White-label CPO businesses | ampeco.com → |
| Monta | Public price list — €300 first yr + 5%; AC €5/DC €8 per socket/mo at scale | SMB-to-mid operators & site hosts | monta.com → |
| Ampcontrol | SaaS subscription (quote-based) | Fleets & depot charging | ampcontrol.io → |
| ChargeLab | Platform subscription (quote-based) | North American CPOs & installers | chargelab.co → |
| SteVe / CitrineOS | Free, open source (self-hosted) | Engineering-led pilots & cost control | github.com/steve-community → |
Pricing checked September 24, 2026. Most platforms in this category sell quote-based enterprise plans; where we cite figures they come from vendor pages or published third-party comparisons and are order-of-magnitude indications, not offers. Billing basis (per user, per MW, per site) varies by vendor — confirm current terms directly before budgeting.
The Platforms in Detail
Driivz
The network operator’s backbone
Best for: utilities, oil majors, and national networks running charging at infrastructure scale.
| Operator model | Large CPOs and eMSPs; utility-grade operations |
| Protocol depth | Deep OCPP lifecycle management, smart charging, self-healing diagnostics |
| Energy & load | Grid-aware load management across large estates |
| Billing & roaming | Full billing engine, roaming integrations, driver management |
| Licensing | Enterprise subscription; quote-based. Checked September 24, 2026 |
| Main tradeoff | Enterprise weight — procurement, price, and onboarding to match |
- Built for the operators whose outages make the news — the reliability tooling (self-healing, remote diagnostics) is the product, not a feature.
- Owned by Vontier alongside charging-industry siblings, which anchors the roadmap in infrastructure rather than app fashion.
- The realistic benchmark for any network measured in thousands of points — smaller operators usually buy more platform than they can use.
AMPECO
The white-label engine
Best for: companies building a branded charging business — without building a software company first.
| Operator model | CPOs, energy retailers, fuel networks launching own-brand charging |
| Protocol depth | Hardware-agnostic OCPP; OCPI roaming; broad charger compatibility |
| Energy & load | Load balancing, tariff logic, energy-cost controls |
| Billing & roaming | White-label driver apps, payments, roaming under your brand |
| Licensing | Platform subscription; quote-based. Checked September 24, 2026 |
| Main tradeoff | Your brand rides their release cycle — platform dependency is the deal |
- The build-vs-buy answer for serious brands: own the customer and the tariff while renting the hard 20% — protocol edge cases and payment plumbing.
- Hardware-agnostic posture protects procurement leverage — mix charger vendors without mixing software stacks.
- Scales across countries and currencies early, which matters the day your second market opens.
Monta
The transparent operator
Best for: site hosts, installers, and growing operators who want real pricing on a public page and software that sells charging for them.
| Operator model | SMB to mid-size operators, installers, workplaces, destinations |
| Protocol depth | OCPP charger onboarding with a consumer-grade operator UX |
| Energy & load | Load management, price-aware charging, solar-surplus features |
| Billing & roaming | Payments, sponsored charging, roaming; driver app included |
| Licensing | Public price list — Starter €300 platform fee first year + 5% transaction fee (up to 200 points); Advanced from €500/mo platform + €5/AC and €8/DC socket/mo + 2% transactions; volume tiers above 1,000 points. Checked September 24, 2026 |
| Main tradeoff | Transaction-fee economics — model them at your utilization before comparing |
- The only mainstream CPMS in this guide with published figures — an SMB can budget a charging business without a single sales call.
- Per-socket plus transaction pricing aligns platform cost with actual activity — friendly at low utilization, negotiable at scale.
- Danish-born product polish: operator tools that read like consumer software, which shortens staff training to nearly nothing.
Ampcontrol
The fleet economist
Best for: depots and logistics fleets where charging cost and vehicle readiness are the P&L, not an amenity.
| Operator model | Commercial fleets, school buses, logistics depots, ports |
| Protocol depth | OCPP plus telematics and route-system integrations |
| Energy & load | AI charging schedules against tariffs, demand charges, and departure times |
| Billing & roaming | Depot-centric reporting; driver-payment features secondary |
| Licensing | SaaS subscription; quote-based. Checked September 24, 2026 |
| Main tradeoff | A depot optimizer, not a public-network business suite |
- Optimizes the constraint that actually costs fleets money — demand charges and readiness windows — rather than generic session management.
- Telematics-aware scheduling means state-of-charge and route plans drive the chargers, not the other way round.
- The natural pairing with our microgrid guide: depots increasingly sit behind solar-plus-storage, and charging is the flexible load.
ChargeLab
The North American challenger
Best for: US and Canadian CPOs, installers, and hardware partners who want an OCPP-native stack without legacy weight.
| Operator model | North American CPOs, channel partners, site hosts |
| Protocol depth | OCPP-first architecture; broad interoperability testing |
| Energy & load | Load management and monitoring tuned to NA electrical practice |
| Billing & roaming | Payments, access control, partner/white-label options |
| Licensing | Platform subscription; quote-based. Checked September 24, 2026 |
| Main tradeoff | Regional depth over global breadth — Europe is others’ home turf |
- Channel-friendly economics built for installers and distributors reselling charging — the go-to-market most US sites actually buy through.
- OCPP-native positioning gives operators an exit from hardware-locked networks — the sales pitch writes itself after one vendor lock-in experience.
- NA-specific realities — NEC load rules, utility make-ready programs — are first-class concerns, not localization afterthoughts.
SteVe / CitrineOS
The open-source route
Best for: engineering-led teams that want OCPP control at zero license cost — and accept operations as the price.
| Operator model | Pilots, researchers, cost-driven operators with dev capacity |
| Protocol depth | SteVe: proven OCPP 1.6 backend; CitrineOS: modern OCPP 2.x open-source core |
| Energy & load | What you build; the community provides the protocol, not the product |
| Billing & roaming | Roll your own or integrate — nothing turnkey |
| Licensing | Free, open source; your hosting and engineering are the cost. Checked September 24, 2026 |
| Main tradeoff | No vendor, no SLA — every 3 a.m. charger fault is yours |
- Zero license cost makes real pilots honest: prove utilization on open source before signing a per-socket contract.
- The best CPMS procurement tool ever written — teams that have run SteVe know exactly which vendor features are worth paying for.
- CitrineOS (Linux Foundation Energy) signals where open charging infrastructure is heading — worth watching even if you buy commercial today.
The Business Model Underneath the Software
CPMS pricing looks like software but behaves like payments: platform fees are the visible line, while per-socket charges and transaction percentages quietly scale with your success. Monta’s published structure — fees dropping from 5% to 2% as commitment rises — is the category’s economics said out loud; quote-based vendors run the same logic behind NDAs. The practical consequence: two operators can pay wildly different effective rates for identical software, depending on utilization they should have modeled first.
The deeper strategic question is who owns the driver. White-label platforms (AMPECO-class) leave the customer relationship with you; network-branded routes monetize your sites into someone else’s app. For site hosts the convenience trade may be fine; for anyone building a charging business, the driver relationship — and the data exhaust that feeds tariffs and expansion — is the asset the software either protects or quietly transfers.
Sequencing From First Socket to Network
Small estates start where transparency is: published-price platforms or even open-source pilots establish real utilization curves before contracts scale. The moment charging becomes a business line — branded, multi-site, roaming — white-label platforms carry the growth, with protocol-native challengers keeping regional procurement competitive.
Scale changes the buyer: at thousands of points the conversation is enterprise reliability, grid programs, and settlement audit — Driivz-class territory — and the winning operators arrive with their own data. Fleets run a parallel track entirely: depot economics reward optimization depth over network features, and increasingly couple charging to on-site solar and storage — where this guide hands over to our microgrid comparison.
Kurums Match: Which One Fits You?
Pick the statement that sounds most like your situation.
We’re a site host or installer putting in our first dozens of chargers.
Start with published pricing — Monta-class — so the business case is arithmetic, not negotiation. Model transaction fees at realistic utilization, and keep OCPP hardware so switching later is a contract change, not a rip-out.
We’re building a branded charging network across markets.
White-label platforms (AMPECO-class) are the build-vs-buy answer; weight OCPI roaming, multi-currency billing, and charger-vendor breadth. Keep ChargeLab-class regional challengers in the RFP to hold pricing honest in North America.
We run vehicle fleets and depots.
Buy optimization, not network features: Ampcontrol-class scheduling against tariffs and departure windows is where the money is. If the depot has solar or storage, read our microgrid guide next — the charging schedule is half of that optimization.
We have engineers and hate per-socket fees.
Run SteVe or CitrineOS for the pilot; you will either prove the volumes that justify a commercial platform or discover the free stack carries you further than the sales decks admit. Budget honest engineering time — that is the license fee.
Frequently Asked Questions
What actually is the difference between CPMS, CPO, and eMSP software?
CPMS is the software layer; a CPO operates chargers with it; an eMSP owns the driver relationship and payments across networks. Most platforms here bundle CPO and eMSP capabilities — the question is which side of the business each was born on, because that heritage shows under load.
Does OCPP compatibility really make hardware and software interchangeable?
Directionally yes, perfectly no. OCPP defines the messages, but vendor implementations differ in firmware quirks and optional features — smart-charging profiles especially. Insist on tested charger-platform pairs for anything mission-critical, and treat “OCPP-compliant” claims as the start of testing, not the end.
How does charging software connect to renewable energy?
Three ways: tariff-aware and solar-surplus charging shifts load into cheap, clean hours; depot optimization couples chargers to on-site generation and storage; and site economics increasingly stack charging with PV and batteries — our microgrid and battery guides cover that co-optimization layer.
Are the transaction fees negotiable?
Above meaningful volume, almost always — published tiers themselves show fees falling with commitment. Negotiate on total effective cost per session at your projected utilization, not the headline percentage, and revisit annually; your growth is the leverage.
Related Comparisons & Guides
- Microgrid design software compared
- Battery storage optimization software compared
- Renewable energy forecasting & weather data compared
- US clean energy tax credits & incentives
- Germany’s renewable incentives & EEG
Last updated: September 24, 2026 · Reviewed by the Kurums Startup editorial team.
Disclosure: Kurums currently has no affiliate, sponsorship, or partnership relationship with any product compared on this page. If that changes, this page will say so here and affected links will carry sponsored attributes.
Part of the Kurums Renewable Energy hub — country strategies, permitting, incentives, financing, and tools across nine markets.
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