A Synergy Of Experiences : The Power of a Group

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Smart Grid & Grid · MV and LV

Building the grid, then making it answer back

Netis builds and maintains the medium and low voltage networks that move electricity across Africa — lines, substations, transformers and metering — and the smart layer that makes them observable.

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Kilometres of MV and LV line built
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Substations and kiosks delivered
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Turnkey mini-grids commissioned
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Hour network monitoring
Why monitoring pays

What a flat curve is worth

The same site, across one working day, in cost per hour. Without storage and control, every peak is bought at peak price. With them the curve flattens, the contracted demand falls, and the expensive hours stop setting the bill.

Indexed illustration. The real curve comes from your own quarter-hourly meter data and your tariff, which are the first two things we ask for.

What we build

Three kinds of grid work

Extending a utility network, energising an industrial estate and electrifying a village that has never had power are three different jobs. They share the same engineering discipline and almost nothing else.

One

Medium and low voltage infrastructure

Grid equipment and infrastructure at MV and LV: transformers, switchgear, protection, overhead lines and underground cable, poles, cross-arms and terminations. Supplied and installed to the standard the utility will accept, because a network that cannot be energised is not an asset.

Electrical distribution systems inside the site boundary are engineered together with the connection outside it, so the two halves actually meet.

Overhead medium-voltage distribution line under construction
Prefabricated MV to LV distribution substation kiosk
Two

Grid projects, built end to end

Grid project construction as a single contract: route survey, design, civil works, substation kiosks, line stringing, terminations, testing and energisation. Then maintenance of the grid once it is live, because the first year is when the workmanship shows.

Three

Mini-grids, turnkey

Turnkey mini-grid projects for sites and communities the network has not reached. Generation, storage, distribution and metering delivered as one system, sized on the demand that actually exists rather than on the demand a spreadsheet assumes.

Solar-hybrid microgrid EPC sits alongside this, where the generation mix rather than the network is the hard part.

Village mini-grid with solar array and battery container
The smart part

Instrumentation is what makes a grid smart, not the label

Smart controllers and sensors on the assets, a supervision layer above them, and integration with the dashboards your operations team already watches. Without the first, the other two have nothing to report.

Sensors and controllers

Smart controllers and sensors for fuel level, temperature and alarms across the energy estate, so a failing asset announces itself before it trips.

Supervision

SCADA and RMS platforms giving a single-line view of the network with load flows, alarms and history, rather than a spreadsheet updated after the fact.

Dashboard integration

Integration with your existing energy operations and maintenance dashboards, so grid events land with the same team as everything else.

Maintenance of grid

Preventive and corrective maintenance on the network itself, with intervals driven by what the instrumentation reports rather than by the calendar.
Grid Services

From the substation to the meter

Equipment, construction and maintenance across medium and low voltage distribution networks.

Grid equipment & infrastructure
Grid construction projects
Turnkey mini-grids
Electrical distribution systems
Smart controllers & sensors
Grid maintenance
View all services in 3D

Transformers, Switchgear and Metering

Transformers, MV switchgear, poles, conductors, protection and metering supplied to network specification.
  • Distribution transformers
  • MV switchgear and protection
  • Poles, conductors and hardware
  • Metering equipment

Lines and Substations Built

Overhead and underground line construction, substation works, cabling and energisation to operator standards.
  • Overhead line construction
  • Underground cable networks
  • Substation civil and electrical works
  • Energisation and handover

Power Beyond the Network

Complete mini-grid projects for isolated communities and industrial sites, generation through to distribution.
  • Generation, storage and distribution
  • LV reticulation to end users
  • Metering and prepayment
  • Remote supervision

LV Boards and Protection

LV distribution, boards and protection for industrial, commercial and public infrastructure sites.
  • LV distribution boards
  • Protection and coordination
  • Cable networks and terminations
  • Earthing and bonding

Telemetry Across the Network

Telemetry on fuel level, temperature and alarms, giving remote visibility on assets across the network.
  • RTU and smart controllers
  • Sensor networks and alarms
  • Integration with O&M dashboards
  • Fault detection and reporting

Inspected, Repaired, Restored

Preventive inspection and corrective works on lines, substations and distribution assets.
  • Preventive line inspection
  • Corrective works and restoration
  • Substation maintenance
  • Vegetation and corridor management
Questions we are always asked

Grid work, in plain terms

Do you work for utilities, or for private sites?
Both, and the difference matters. Utility work has to satisfy the network operator standard from the first drawing. Private site work has to satisfy the operator only at the connection point, which leaves more freedom inside the fence and more responsibility for the design.
What is the difference between a mini-grid and a microgrid?
In practice: a mini-grid serves a community or a group of sites with its own distribution network, often where the national grid has never arrived. A microgrid sits behind an existing connection and can island from it. The engineering overlaps; the regulatory and commercial models do not.
Can you connect our site to the utility network?
Yes, and that is usually the critical path. Connection studies, the MV interface, protection coordination and the paperwork the operator requires. We design the distribution inside the fence and the connection outside it together, because a mismatch between the two is expensive to discover late.
What does the monitoring layer actually give us?
A single-line view of the network with real load flows, alarms that arrive before the trip rather than after it, and a maintenance history per asset. The practical effect is that maintenance stops being scheduled by calendar and starts being scheduled by condition.
Can you maintain a network you did not build?
Regularly. It starts with an audit of the assets and the protection settings, because a maintenance plan that does not match the network on the ground is worse than none.
How do you size storage on a grid project?
From measured data. Quarter-hourly consumption, outage frequency and duration, and the tariff structure. Storage sized on peak shaving pays back differently from storage sized for autonomy, and the two rarely give the same answer.
Next step

Send us the network you have and the one you need

Existing single-line diagrams, the connection point and its constraints, and the loads you are trying to serve. That is enough for a design approach and a build estimate.

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NETIS is a leader in the telecommunication and energy Industry, with over 17 years of experience in the design and development of high-performance network solutions.

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