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Solar data for Saint Vincent and the Grenadines

Across the 2 places in Saint Vincent and the Grenadines the best fixed tilt for solar panels is 14°, and flat ground gets 5.8 to 5.8 peak sun hours a day. Every number is computed for each place.

Solar power in Saint Vincent and the Grenadines at a glance

Averages over 2 places with climate data, for a fixed array facing south.

Best panel angle14°average, facing south
Peak sun hours5.80a day on flat ground
1 kWp makes1,714kWh a year at the best angle
Off-grid angle11°average, for the darkest month
KingstownCalliaqua (most sun)
  • 5.80 peak sun hours a day

Peak sun hours a day on flat ground. Each dot is one place.

The sunniest places in Saint Vincent and the Grenadines, with 5.80 peak sun hours a day on flat ground, are Calliaqua and one other place; the least sunny are Kingstown and one other place with 5.80. A 1 kWp array at its best angle makes from 1,714 kWh a year in Kingstown to 1,714 kWh in Calliaqua — 1,714 kWh on average.

The best year-round tilt is 14° everywhere. Off-grid systems are sized for the darkest month and do better steeper, at 11° on average: at 70° that month brings 1.44 kWh per kWp a day in Calliaqua and 1.44 kWh in Kingstown.

Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.

Largest places in Saint Vincent and the Grenadines at a glance

PlaceLatitudeBest tiltOff-grid tiltSun hours/day (flat)
Kingstown13.2° N14°11°5.80
Calliaqua13.1° N14°11°5.80

Daylight and clock time in Saint Vincent and the Grenadines

In Kingstown (13.2° N), the northernmost place, the longest day of the year lasts 12 h 54 min and the shortest 11 h 21 min; in Calliaqua (13.1° N), the southernmost, 12 h 54 min and 11 h 21 min. Saint Vincent and the Grenadines does not use daylight saving time: the clocks stay the same all year.

Time zonePlacesUTC offsetClocks change in 2026
America/St_Vincent2UTC−4no daylight saving time

Questions about solar in Saint Vincent and the Grenadines

What is the best angle for solar panels in Saint Vincent and the Grenadines?
Facing south, 14° everywhere — 14° on average over 2 places. Off-grid systems that must get through the darkest month do better steeper, at about 11° on average.
How many peak sun hours does Saint Vincent and the Grenadines get?
From 5.8 hours a day in Kingstown to 5.8 in Calliaqua on flat ground, averaged over the year; 5.8 on average.
How much electricity does 1 kWp of solar panels produce in Saint Vincent and the Grenadines?
About 1,714 kWh a year at the best fixed angle on average, from 1,714 kWh in Kingstown to 1,714 kWh in Calliaqua. These are long-term climate averages; a single year can be several per cent higher or lower.
Where is the sunniest place in Saint Vincent and the Grenadines?
Calliaqua (Saint George Parish) and 1 other place share the most sun of the 2 places: 5.80 peak sun hours a day on flat ground. 1 kWp in Calliaqua makes about 1,714 kWh a year.
Does Saint Vincent and the Grenadines use daylight saving time?
Saint Vincent and the Grenadines does not use daylight saving time: the clocks stay the same all year.
How long is the longest day in Saint Vincent and the Grenadines?
12 h 54 min in Kingstown; the shortest day lasts 11 h 21 min in Kingstown.

All places in Saint Vincent and the Grenadines

Saint George Parish