Solar yield in Auckland

📍 -36.85°S, 174.76°E · Auckland, New Zealand

Auckland sits at 36.85°S in Auckland, New Zealand. The annual average is 4.3 h peak sun-hours per day.

A Auckland-based 400 Wp array generates an estimated 494 kWh per year — after a 78% system efficiency factor (MPPT, wiring, inverter losses).

Monthly solar generation in Auckland

Average daily kWh per month for common solar array sizes

Array size	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual kWh
200 Wp	29	26	21	16	13	11	12	16	21	24	27	28	247
400 Wp	58	51	42	32	25	22	24	32	41	49	54	56	494
800 Wp	116	103	84	64	51	45	49	64	82	97	109	112	989
1600 Wp	232	206	168	127	101	90	97	127	165	195	217	225	1978

Best month

Jan

6.2 h/day

Worst month

Jun

2.4 h/day

Annual average

4.3 h/day

Design your full off-grid system

Use the SOLARIS calculator to size a complete off-grid LiFePO4 system for Auckland: battery bank, inverter, cable cross-section, fuses and a wiring diagram. Pin your exact location on the map for live NASA POWER data.

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How we calculated this

Daily generation = panel Wp × peak sun-hours × system efficiency (0.78). Sun-hour values are 20-year averages from NASA POWER, sourced for Auckland's coordinates (-36.85, 174.76). Real conditions vary by panel tilt, orientation, shading and weather — use the live calculator for site-specific results.

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