Enercon Digital
Smart47Utility tier · AMI conversion device

Ten minutes per meter. No swap, no rewiring, no head-end system.

Smart47 clips onto the optical port of a meter that is already installed and working, and gives it two-way smart-meter connectivity.

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Smart47 clipped onto an in-service DDS238-4 single-phase meter

Smart47 mounted on an in-service single-phase meter.

The problem with replacement programmes

The strategy is sound. The delivery model is the bottleneck.

FULL REPLACEMENTWorking meterdiscardedNew smart meterprocure + installVendor HESone per vendorMDMswapSMART47 RETROFITWorking meterstays in serviceSmart47clips to optical portno HESstageMDM10 mindirect to MDM
Two stages disappear. The meter swap and the per-vendor head-end system dominate a replacement budget, and the retrofit path does not contain them. The greyed slots are left in place so the absence is visible.
Cost per conversionUnit economics anchored to a full meter replacement — hardware, logistics, labour, and disposal of a working asset.
Conversion ratePhysical meter swaps are labour-bound. Rollout speed is capped by crews and trucks, not by technology.
The HES layerEach vendor’s meters typically need their own Head-End System. Cost scales with fragmentation rather than with meters.
Working meters discardedMillions of accurate, functioning meters written off purely because they lack a communications module.

Pakistan’s DISCOs have tens of millions of conventional meters already installed and working. Smart47 clips onto the optical port and gives one full two-way connectivity — without removing, replacing or rewiring it.

The business case

Per conversion
Full AMI meter replacementSmart47 conversion
Existing meterDiscardedRetained
Install effortFull meter swapUnder 10 min clip-on
Relative cost, single-phaseBaseline~40% lower
Relative cost, three-phaseBaseline~60% lower
Time to AMI-enable a feederSlower — procurement + swapFaster — retrofit at scale
Head-end systemOne per meter vendorNone, with MetersBoard

Cost figures are relative to a new AMI meter of the same phase, and are published unit costs rather than measurements from a live network — see the product status below.

Clip-on against full replacement, on cost, time and disruption. Switch the meter type.

Retrofit Comparator

One meter converted, two ways.

Published unit costs · USD
Cheaper than replacing the meter60%
Replacement105$
Smart47 conversion42$
Three axes, one meterCost per meterReplace105 $Smart4742 $Time on siteReplace90 minSmart4710 minSupply interruptionReplace45 minSmart470 min
What the figure assumes
Meter typeThree phase
Replacement, meter + HES share$ 105
Smart47 conversion$ 42
Head-end system in retrofitNone
Existing meterRetained
BasisPer meter
HeadlineDerived from the two figures above

Replacement cost includes the head-end system share. Conversion cost does not, because the retrofit does not use one.

Costs are held in US dollars and converted at an indicative rate. The per-meter figures match the published business case: 40% lower single-phase, 60% lower three-phase.

Follow one reading from the meter to the platform. One stage never happens.

AMI Without HES

Meter to platform, with one stage removed.

Illustrative sequence
MeterSmart47CellularHESMetersBoard
Five stages. One of them does not happen.
Stages advance on a fixed 900 ms cadence. Nothing loops.

Installation, four steps

A gloved hand holding the Smart47 unit against the face of a single-phase meter, aligning it with the optical port
Locate the port, clip it on. No seal broken, no wiring touched.
A Smart47 fitted to a meter inside a roadside service enclosure, the door open
In service. Meter-powered, so there is no battery to return for.
01Locate the optical port
02Clip the unit onto the face
03Pair the uplink
04Verify the first reading

Under 10 minutes, no swap, no rewiring.

Selected specification

Read methodOptical / IR port
InstallationClip-on, under 10 min
Connectivity2G/GPRS · 4G/LTE, SIM-based
ArchitectureDirect-to-MDM, no HES required
Read intervalConfigurable, seconds to hours
Local buffering3 months onboard
Events relayedTamper · power quality · reversal
PowerMeter/mains powered, no battery
EnclosureMatched to host meter IP rating
Vendor supportConfigurable per meter model
Product status

Smart47 is a lab prototype. It has been developed and refined through hands-on proof-of-concept work. It is not field-deployed, and there is no installed base. Figures on this page are design targets and published unit costs, not measurements from a live network.

Run a pilot

Which division, which feeders, how many meters, and for how long — all decided by you. Smart47 is fitted to the meters already installed there.

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