Mortenson solar farm construction
Customer story

Mortenson

Top-25 US builder and renewable energy contractor, Minneapolis, Minnesota

Field-proven diagnostics for utility-scale solar construction

Mortenson, one of the largest renewable energy contractors in the United States, uses the emazys Z300 PVT in their solar field operations. The Z300 delivers fast, accurate fault location and complete commissioning tests for PV systems up to 1500V.

The instrument is helping Mortenson field teams work more efficiently, reduce downtime and maintain high system performance across their portfolio of gigawatt-scale solar projects. With more than 10 GW of solar construction experience across the US, Mortenson demands test equipment that performs reliably under real-world field conditions.

With millions of modules tested across projects worldwide, the Z300 is proven in the field by industry leaders like Mortenson.

Instrument used
emazys Z300 PVT
1500V professional PV tester with Riso, Voc, Isc, Rs and ground fault location. Built for utility-scale commissioning and fault finding.
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Mortenson field team Mortenson construction crew Mortenson solar farm
Mortenson
Top-25 US builder, developer and renewable energy contractor
Location Minneapolis, Minnesota, USA
Founded 1954
Employees 7,500+
Revenue USD 5.5 billion (2025)
Solar built 10+ GW across the United States
Focus Utility-scale solar, wind and large-scale energy storage construction
Market United States and Canada
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