Clearinghouse billing is a settlement and invoicing process used in EV charging ecosystems to reconcile charging transactions among multiple parties—typically CPOs (charge point operators), eMSPs (e-mobility service providers), roaming platforms, and payment providers. It acts as an intermediary layer that validates session data, applies agreed commercial terms, and manages billing and payouts across networks.
What Is Clearing House Billing?
Clearinghouse billing is the back-office “accounting engine” that powers multi-network charging access. When a driver charges using an eMSP app or RFID on a third-party CPO charger, the clearing house helps ensure that:
– The charging session is correctly recorded and matched between systems
– The correct tariff and fees are applied (including roaming commissions)
– The right party invoices the right counterparty
– Funds are settled according to contract terms and timelines
It is especially common in charging roaming environments where the customer relationship (eMSP) is separate from the infrastructure operator (CPO).
Why Clearing House Billing Matters
Clearing house billing reduces commercial friction and financial risk in interoperable charging networks. It helps:
– Prevent disputes by standardizing transaction validation and reconciliation
– Improve cashflow predictability for CPOs through consistent settlement cycles
– Enable scaling across markets without building dozens of bilateral billing processes
– Reduce manual effort in finance teams by automating invoicing, netting, and reporting
– Support compliance requirements such as tax handling and invoice traceability
For profitable charging operations, reliable settlement is as important as high uptime.
Who Uses Clearing House Billing
Clearing house billing typically involves these roles:
– CPO: delivers the charging service and provides session data
– eMSP: bills the driver and initiates settlement to CPOs
– Roaming hub/platform: routes authorizations and session records across networks
– Clearing house / settlement provider: validates data, calculates amounts, issues invoices, manages payouts
– Payment processor: handles card payments, chargebacks, and transaction fees (where applicable)
How Clearing House Billing Works
A typical clearing house billing flow looks like this:
– Charging session occurs, and a CDR (Charge Detail Record) is generated
– CDR is transmitted from CPO systems to the roaming/settlement layer
– Clearing logic validates session integrity (timestamps, kWh, connector ID, tariff reference)
– Commercial rules are applied (markups, commissions, minimum fees, rounding, taxes)
– The clearing house produces invoices or settlement statements for each party
– Net settlement is executed on a defined cycle (weekly, biweekly, monthly)
– Exceptions are flagged for dispute handling (missing data, mismatched pricing, failed authorization)
What Data Is Reconciled
Clearing house billing relies on accurate session and pricing data, typically including:
– Session start/stop times and stop reason
– Energy delivered (kWh) and meter values (where available)
– Tariff ID and pricing components (€/kWh, time fee, session fee, idle fee)
– Location and asset identifiers (site ID, charger ID, connector ID)
– Roaming token and contract identifiers (RFID, app user, Plug & Charge ID)
– Payment status and adjustments (refunds, partial charges, chargebacks)
Common Settlement Models
Clearing house billing can support different commercial structures:
– Gross settlement where each session is invoiced individually
– Net settlement where amounts are netted across many sessions and counterparties
– Fixed-fee models (per session or per month) on top of variable settlement
– Revenue share structures between operator and site host, when integrated into the same reporting stack
These models directly influence charging station profitability by shaping fees, cash flow timing, and administrative overhead.
Operational Risks and Pitfalls
Clearing house billing often fails when data quality and tariff governance are weak:
– Mismatched tariffs between what the driver sees and what partners settle
– Missing or delayed CDRs, causing late invoicing and disputes
– Incorrect VAT/tax logic across borders
– Token mapping issues leading to rejected sessions or wrong billing party
– Poor handling of partial sessions, retries, or interrupted communications
Strong charging session analytics and consistent tariff versioning reduce these problems.
Best Practices for Reliable Clearing House Billing
– Standardize CDR formats and validation rules across partners
– Use consistent, versioned tariffs with clear effective dates
– Reconcile meter data where available to reduce disputes on kWh values
– Track exceptions and dispute workflows with clear SLAs
– Separate financial reporting for direct sessions vs roaming sessions
– Monitor settlement KPIs such as mismatch rate, dispute rate, and settlement delay
Related Glossary Terms
Charging Roaming
eMSP (E-mobility Service Provider)
CPO (Charge Point Operator)
Charge Detail Record (CDR)
Charging Session Analytics
Charging Revenue Models
Charging Session Revenue
Payment Processing
VAT Recovery