Solar EPC & Professional Installer Operations

Engineering, String Sizing & Trade Procurement

Statutory electrical compliance, cold-temperature Voc string sizing, manufacturer datasheets, and direct distributor lines for residential and commercial solar contractors.

Standards Register (IEC / UL / IEEE)Grid Interconnection Codes Wholesale Line Cards

NEC / IEC Temperature-Compensated String Sizer

Verify maximum series string length against inverter maximum input voltage (Voc cold under NEC 690.7)

Engineering Calibrated

Module Pmax (Wp):

Module Voc STC (V):

Inverter Max Voc (V):

Extreme Cold Temp (°C):

Corrected Voc Cold55.86 VAt -10°C ambient

Max Series Modules17 Modules9.86 kW DC per string

Total String Voc949.6 VWithin 1000V safety limit

Commercial Inverters

Multi-MPPT string inverters from Sungrow, Huawei, SolarEdge, and SMA with integrated AFCI and rapid shutdown.

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Balance of System (BOS)

Roof racking, ground mounts, MC4 connectors, DC disconnects, and surge protective devices (SPD Type II).

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Authorized Distributors

Order pallet and container quantities directly from verified regional stockists with trade credit terms.

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