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Project 03 · Solar PV

Brown and Holmes, Tamworth

Solar PV · Commercial rooftop PV system · 437 modules

Site typeIndustrial unit rooftop
ServiceSolar PV (AC & DC)
LocationTamworth, Staffs
Modules / inverters437 / 3 Solax
Our scopeFull AC & DC install, testing & commissioning

A commercial rooftop solar PV system of 437 modules and three Solax inverters on an industrial unit at Apollo, Lichfield Road Industrial Estate, Tamworth. MTM carried out the full AC and DC installation, plus all AC and DC testing and commissioning. The site photographs show the array and DC cable tray across the roof, the cable route down the building face, and the inverter station on a Unistrut frame with AC isolators, a new LV panelboard and metering.

Rooftop array on the industrial estate
Rooftop array on the industrial estate
Completed rooftop array
Completed rooftop array
DC cable tray alongside the array
DC cable tray alongside the array

PV installation

437 modules across the roof of the unit, with the DC cables run in tray across the roof and down the face of the building to the inverter station.

Panel layout design (pre-installation mock-up)
Panel layout design (pre-installation mock-up)
DC cables laid in tray across the roof
DC cables laid in tray across the roof
Cable tray run between array rows
Cable tray run between array rows
Cable tray down the building face
Cable tray down the building face

AC / electrical installation

Solax inverters on a Unistrut frame, AC isolators, a new LV panelboard, containment and metering.

Completed inverter station: three Solax inverters with AC isolators
Completed inverter station: three Solax inverters with AC isolators
Inverter station during installation
Inverter station during installation
New LV panelboard at first fix
New LV panelboard at first fix
LV panelboard wired in
LV panelboard wired in
Cables formed down the wall to floor level
Cables formed down the wall to floor level
Switch-disconnector and surge protection terminations
Switch-disconnector and surge protection terminations
DC string connections at the inverter
DC string connections at the inverter
CT-operated energy meter
CT-operated energy meter
Planning a commercial solar project from 100kWp upward?

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