Engineering Blog
EV Charging Infrastructure — Technical Field Notes
Practical articles on OCPP protocol implementation, OpenADR 2.0b demand response, OCPI roaming, ISO 15118 Plug and Charge readiness, and fleet depot integration architecture — written by the engineers implementing these protocols at Emobi. No product announcements, no trend pieces. Protocol depth for operators who manage real charging infrastructure.
OCPP 2.0.1 Migration: What Charge Point Operators Need to Know Before Upgrading
The jump from OCPP 1.6J to 2.0.1 unlocks smart charging and ISO 15118 plug-and-charge — but the migration path has real operational complexity. Here's what to expect.
8 min read
OpenADR 2.0 and EV Charging: How Grid Operators and Charge Networks Can Coordinate Load
Utilities are increasingly requiring that large charging deployments participate in demand response programs. OpenADR 2.0b is the protocol that makes this possible.
7 min read
Connecting Fleet Management Software to Depot Chargers: A Technical Field Guide
Fleet operators using Geotab, Samsara, or custom telematics need their depot chargers to follow vehicle priority rules. This is the integration architecture that makes it work.
9 min read
Why Hardware-Agnostic CPMS Is the Only Defensible Infrastructure Strategy for Growing CPOs
Locking your charging network into a single hardware vendor's management software feels convenient at launch. It becomes a constraint at scale.
6 min read
EV Charging Billing Integration: Connecting Station Revenue to Your Back Office
Session fees, time-of-use pricing, membership tiers — EV charging billing is more complex than a simple payment terminal. Getting it connected to Stripe or your ERP is the critical last mile.
7 min read
OCPI Roaming Explained: How Cross-Network EV Charging Actually Works Under the Hood
When an EV driver charges on a network they don't belong to, OCPI is the protocol doing the work. For CPOs building interoperability, understanding OCPI data flows is essential.
8 min read
ISO 15118 Plug-and-Charge: Is Your Network Ready for Automatic Authentication?
Plug-and-charge authentication is coming as OEMs roll out ISO 15118-compliant vehicles. What CPOs need to prepare on the infrastructure side.
7 min read
Carbon Reporting for EV Charging Operators: Meeting Utility and Corporate Sustainability Requirements
As corporate sustainability commitments tighten and utility incentive programs demand emissions data, EV charging operators need to produce accurate carbon intensity reports.
6 min read