GridWatch instruments distribution transformers and tells you what has failed, where, and what equipment the crew needs — before the phone starts ringing. Built in Accra for the Energy Commission, ECG, NEDCo and GRIDCo.
National oversight for the regulator, real-time detection at the distribution transformer, condition diagnostics for transmission assets, and the field application that turns an alarm into a repaired transformer.
Load, capacity headroom and fleet health across all sixteen regions and every licensed operator — an independent view the Commission controls, not one the utility submits.
An LV fuseway fault, an HV cutout failure and a device sensor fault look identical from the ground. GridWatch separates them and issues a different dispatch for each.
Nothing alarms on a single reading. A fault must hold across three consecutive intervals before a ticket is raised — the restraint that stops crews ignoring the system by month two.
Dissolved gas, hot-spot temperature, ageing acceleration and insulation life consumed on oil-monitored assets — replacement planning becomes a schedule, not a reaction.
Dispatch with the equipment list, live readings at the pole, install calibration and provisioning. Encrypted offline buffer for dead zones, SMS fallback where data fails.
SAIDI, SAIFI and CAIDI computed from measured outage events by region and operator, with CSV export for the Commission's own analysis.
The Commission sees every operator. A utility sees only its own fleet, its own alerts, its own districts. Access scoped by organisation, as control-room software should be.
Every assumption behind the benefit model is exposed and editable, so the Commission can test the case against its own figures rather than accepting ours.
MTN and Telecel private APN, NCA type approval, GSA device approval, NITA or on-premise hosting, and alignment to L.I. 1816 technical rules.
Split-core sensors read current through the cable's magnetic field. No conductor is cut, no bare metal is exposed, and no neighbourhood is disconnected to install a monitor.
Clip-on current transformers hinge around the existing insulated cable; insulation-piercing connectors take voltage and unit power through the sheath. Certified crews, live-line procedure.
The engineer captures a per-phase correction against a reference instrument. This is what takes combined uncertainty from about ±5.8% to ±2.3% — and what makes every threshold defensible.
Readings stream over a private cellular tunnel. A fault must persist across three consecutive intervals before it escalates the asset or raises a ticket.
The crew is told which fault it is, at what height, and what to carry — LV fuse link, HV cutout work, or a device service call that needs no line crew at all.
A monitoring platform is only as trustworthy as its willingness to say what it cannot do. These three appear in the proposal, not buried in a footnote.
Energy-balance reconciliation requires interval reads from every customer meter plus an accurate transformer-to-customer mapping. Until those exist, the capability cannot be built — and we will not sell it.
On our own figures the annual benefit is smaller than the annual running cost. The case for funding is regulatory capability and public safety, not financial return.
These are Class 1–3 instruments, not revenue meters. GridWatch targets an inspection; the inspection produces the evidence. It must not be the sole basis for a penalty.
Not a national rollout. An eighteen-month controlled pilot that measures the failure rates nobody currently knows, so the scale decision is taken on evidence.
And one decision that costs nothing: every transformer already being replaced can be fitted on the way in, at a third of the retrofit cost and with no live-line work at all.