01Blog · Technology
Technology
OCPP, OCPI, smart charging and how the platform is put together.
OCPP 1.6 vs 2.0.1: what actually changes for an operator
The migration is real but rarely urgent. What 2.0.1 gives you, what it costs, and how to run a mixed fleet without splitting your operations in two.
2 min read
15 Jul 2026Building an OCPP gateway that survives ten thousand chargers
Every charger is a long-lived stateful WebSocket. The architecture decisions that determine whether your platform holds at scale — and the three that we would make differently in hindsight.
3 min read
10 Jun 2026Smart charging, explained without the marketing
Load management is how you fit eight connectors behind a sanction that supports three. Here is what the protocol actually does, and where it stops working.
2 min read
20 May 2026OCPI roaming, explained for people who have to sign the contract
What roaming actually connects, what each module does, and the commercial questions that decide whether a roaming partnership is worth having.
2 min read
1 Apr 2026ISO 15118 and plug-and-charge: what it takes, and whether you need it yet
Plug in, walk away, get billed. The experience is excellent and the prerequisites are substantial. Where the line currently sits for Indian operators.
2 min read
4 Feb 2026Why a charging platform should be event-driven
The OCPP connection is real-time and fragile; billing is not. Putting an event log between them is the architectural decision that makes everything downstream tractable.
2 min read
16 Dec 2025Meter values: the numbers your invoices are made of
Every billing dispute resolves to what the meter said and when. What to sample, what to store and the rounding rule that prevents drift.
2 min read
7 Oct 2025Multi-tenancy in a charging platform, and where isolation actually fails
Every serious charging platform serves several operators. The boundary between them has to be enforced in one place, not remembered in every query.
2 min read
5 Aug 2025The charger is fine. The SIM is not.
A large share of "charger offline" incidents are connectivity, not hardware. What to specify, what to monitor and why the cheapest data plan is rarely cheapest.
2 min read
One email a month, for people who run chargers
Operations notes, unit economics and policy changes that affect your tariff.