Below is the average daily output per kW of Solar PV installed for each season, along with the ideal solar panel tilt angles calculated for various locations in Latvia. Click on any location for more detailed information.

Explore the solar photovoltaic (PV) potential across 13 locations in Latvia, from Valmiera to Daugavpils. We have utilized empirical solar and meteorological data obtained from NASA's POWER API to determine solar PV potential and identify the optimal panel tilt angles for these locations.

If you have questions, feel free to contact us.

Location	Subdivision	Latitude	Longitude	kWh/day Summer	kWh/day Autumn	kWh/day Winter	kWh/day Spring	Panel Tilt Angle
Valmiera	Valmiera	57.5377	25.4314	5.96	1.83	0.71	3.89	48° South
Ventspils	Ventspils	57.3901	21.5636	6.39	1.82	0.64	4.42	47° South
Cēsis	Cēsis Municipality	57.3173	25.2666	5.89	1.77	0.68	3.81	47° South
Talsi	Talsi Municipality	57.248	22.5949	6.19	1.87	0.67	4.18	47° South
Nāgelmuiža	Ropaži Municipality	56.9849	24.4447	5.84	1.84	0.76	3.85	47° South
Jūrmala	Jūrmala	56.9658	23.7757	5.95	1.97	0.82	4.09	47° South
Riga	Riga	56.9496	24.0978	5.91	1.90	0.79	3.92	47° South
Ulbroka	Ropaži Municipality	56.9364	24.2932	5.84	1.84	0.76	3.85	47° South
Jelgava	Jelgava	56.6477	23.723	5.95	1.97	0.82	4.09	47° South
Pļaviņas	Aizkraukle Municipality	56.6133	25.7198	5.91	1.90	0.79	3.92	47° South
Liepāja	Liepāja	56.5128	21.0154	6.19	1.91	0.76	4.37	47° South
Rēzekne	Rēzekne	56.5085	27.3481	5.89	1.81	0.71	3.81	47° South
Daugavpils	Daugavpils	55.8822	26.5268	6.02	1.95	0.92	3.95	46° South

Solar Panel Tilt Angle in Latvia

So far based on Solar PV Analysis of 13 locations in Latvia, we've discovered that the ideal angle to tilt solar PV panels in Latvia varies between 48° from the horizontal plane facing South in Valmiera and 46° from the horizontal plane facing South in Daugavpils.

These tilt angles are optimised for maximum annual PV output at each location for fixed-panel solar PV installations. If you click on one of the locations above, there is further detail on ideal seasonal tilt angles as well (in case your solar panels are adjustable).

Depending on where you are based in Latvia, the ideal angle to tilt your solar panels will vary by approx 2 degrees (between 48° from the horizontal plane facing South and 46° from the horizontal plane facing South).

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Helping you assess viability of solar PV for your site

Calculate Your Optimal Solar Panel Tilt Angle: A Comprehensive Guide

Elevate the performance of your solar PV installation by utilizing our thorough guide. Determine the best panel tilt angle using real-world data, debunk prevalent misconceptions and grasp how geographical location influences solar power yield.