When Charging
Fails, Customers
Walk Away.
Vampire.Energy turns EV charging from a fragile add-on into a business advantage. We connect charger truth to guest experience, fleet readiness, energy products, and network trust.
Authorization
Room 412 · NFC room key · Hotel Operator
Energy Policy
Solar priority · 7.2 kW cap · 68% renewable
Dynamic Pricing
€0.18/kWh · Solar window tariff applied
Billing Route
PMS folio #412 · postBillingCharges API
Roaming State
Local operator · OCPI standby
48.3 kWh
68% solar-sourced
€8.69
Posted to folio #412
<2s
session authorization
Lower
energy cost exposure
8 layers
controlled per session
Zero
manual billing steps
The dashboard says online.
The business outcome still fails.
A charger does not create value because it is online. It creates value when a driver can plug in, start a session, receive energy, complete the charge, and trust the network enough to come back.
Technical failure
Firmware, OCPP timing, metering, authorization, connectivity, vehicle compatibility, and load limits can all break the session after status looks healthy.
Commercial damage
The user sees one thing: charging worked, or it did not. The brand in front of them owns the moment.
Online
Plug-in
Auth
Energy
Metering
Billing
Recovery
Trust
What v.energy monitors
Firmware and charger behavior
OCPP command timing and errors
Authorization and token failures
Energy limits and load constraints
Meter values and billing evidence
Issue ownership and remote recovery
A charging session
is not a message.
It's a context.
Other platforms route OCPP messages. v.energy connects charger truth to the business workflow behind each session — automatically.
Authorization
Room key · RFID · Plug & Charge · roaming token
Energy Policy
Solar priority · grid constraints · load caps
Pricing
Dynamic tariffs · time-of-use · solar windows
Billing Route
PMS folio · usage reporting · fleet cost tracking
Roaming State
OCPI · eRoaming · settlement · Plug & Charge
Built from the charger up.
Vampire.Energy builds EV charging software for the moments where charging has to work: hotel stays, morning fleet dispatch, public charging sessions, and smart energy products.
We are not just building dashboards above charger APIs. Our team works across platform engineering, OCPP integration, charger product behavior, field diagnostics, and certification-informed requirements.
Software
Backend systems, OCPP integrations, diagnostics, APIs, data layers, and real-time operational tooling built for field behavior.
Platform architecture
OCPP and API layers
Real-time diagnostics
Hardware
Experience with charger manufacturers, product behavior, field validation, interoperability, and the failure patterns operators actually face.
Charger product behavior
OCPP conformance
Interoperability testing
Certification
Certification forces a deep understanding of what a charger must prove: safety, predictable communication, metering, interoperability, and auditability.
EU certification process
MID metering standards
EN IEC 61851 and ISO 15118 readiness
Operating principle
Certification teaches us what chargers must prove. Software lets us monitor, operationalize, and scale that proof.
Charger truth
Model, firmware, OCPP behavior, diagnostics, metering, and readiness state.
Business value
Guest charging, fleet readiness, energy products, and successful public sessions.
From Charger to Cloud.
One Contract.
Hardware selection, site installation, software configuration, and ongoing support — all from a single partner. You focus on your business; we handle the infrastructure.
Hardware Selection
AC wallboxes, DC fast chargers, depot solutions — selected OCPP-compliant hardware matched to the site and workflow.
handshakevia selected partnersSite Installation
Civil works coordination and certified electrical installation. We handle the on-site complexity — you get commissioned chargers.
handshakevia selected partnersCSMS Configuration
v.energy pre-configured for your site. PMS connected, tariffs set, roaming active, billing routes live — from day one.
Managed Support
Proactive monitoring, session diagnostics, and expert support included. One point of contact for hardware behavior and software operations.
Every day without managed
charging costs you.
Unmanaged chargers generate hidden losses across every site type. Here's what it costs — and how v.energy fixes it, one platform configured to your context.
Hotels
ADR left on the table
EV guests self-pay at the charger, so ancillary revenue never reaches the folio or your ADR — and reception absorbs every billing dispute.
The fix · PMS-native charging
Charging posts straight to the guest folio — no app, no front-desk workflow change, no separate terminal.
CPOs & Solar
Margin lost to the grid
Without solar-first scheduling and dynamic tariffs, sessions draw peak grid power at flat rates — and drivers from other networks can't pay you at all.
The fix · Solar-first & margin-aware
Sessions shift to solar windows automatically, tariffs respond to grid pricing, and eRoaming opens your site to any driver.
Fleet & Depot
Demand charges with no ceiling
Uncoordinated overnight charging spikes your 15-minute peak, and without per-vehicle tracking a van that leaves at 60% becomes a missed route.
The fix · Smart depot charging
Overnight load is flattened under your grid limit, every vehicle is tracked, and every kWh maps to a cost centre.
Energy Providers
Tariff revenue left to competitors
EV customers on flat tariffs churn to retailers offering real time-of-use savings — and without a branded product, their EV adoption grows your rivals' portfolios, not yours.
The fix · White-label smart tariffs
Launch a branded smart-charging tariff in weeks — TOU scheduling, tariff API, and grid balancing without building the stack.
Built on Open Standards.
OCPP is the starting point. Validated charger behavior, protocol traces, and deployment testing make charging reliable in the field.
OCPP 2.0.1
+ 1.6J · 2.1-ready
OCPI Roaming
eRoaming + settlement
ISO 15118
Plug & Charge ready
Async Messaging
Event-driven OCPP backbone
PMS Integration
REST API · Webhooks
Field feedback.
Signals from operators and builders dealing with real charging infrastructure.
"Our platform has significantly improved operational efficiency by reducing downtime and streamlining monitoring. We can now focus on customer experience, the only thing that really matters."
Liviu Matache
Director, ePlug
"By using Vampire.Energy, our custom backend for EV charging management is now lighter, more observable and cheaper to run, thanks to dropping 2 custom microservices stacks."
Andrei Ghinea
CEO, Astreea
"The messaging platform proposed by Vampire.Energy team solved our real time & scalability challenges effortlessly, allowing us to focus on delivering value to our customers."
Raul Scorneica
COO, Tomasi Group
Ready to make charging
intelligent?
Hotels, CPOs, and fleets. Works from day one. No billing disputes. No missed revenue.