14 places · sun position · panel angle
Solar data for Trinidad and Tobago
Across the 14 places in Trinidad and Tobago the best fixed tilt for solar panels runs from 10° in Chaguanas to 11° in Port of Spain, and flat ground gets 5.3 to 5.7 peak sun hours a day. Every number is computed for each place.
Solar power in Trinidad and Tobago at a glance
Averages over 14 places with climate data, for a fixed array facing south.
- 5.27–5.36
- 5.36–5.44
- 5.44–5.53
- 5.53–5.61
- 5.61–5.70
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Trinidad and Tobago is Scarborough (Tobago) with 5.70 peak sun hours a day on flat ground; the least sunny is Point Fortin with 5.27. A 1 kWp array at its best angle makes from 1,542 kWh a year in Point Fortin to 1,670 kWh in Scarborough — 1,581 kWh on average.
The best year-round tilt runs from 10° in Chaguanas to 11° in Port of Spain. Off-grid systems are sized for the darkest month and do better steeper, at 10° on average: at 70° that month brings 1.24 kWh per kWp a day in Point Fortin and 1.33 kWh in Scarborough.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Trinidad and Tobago
Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 1 | Scarborough | Tobago | 5.70 | 1,670 | 11° |
| 2 | Sangre Grande | Sangre Grande Regional Corporation | 5.47 | 1,599 | 11° |
| 3 | Diego Martin | Diego Martin Regional Corporation | 5.45 | 1,596 | 11° |
| 3 | Arima | Borough of Arima | 5.45 | 1,595 | 11° |
| 5 | Paradise | Tunapuna/Piarco | 5.44 | 1,591 | 11° |
| 6 | Tunapuna | Tunapuna/Piarco | 5.43 | 1,590 | 11° |
| 7 | Port of Spain | Port of Spain | 5.42 | 1,585 | 11° |
| 8 | Laventille | San Juan/Laventille | 5.40 | 1,582 | 11° |
| 9 | Rio Claro | Mayaro | 5.38 | 1,573 | 10° |
| 10 | Chaguanas | Chaguanas | 5.35 | 1,566 | 10° |
Solar by region in Trinidad and Tobago
Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.
| Region | Places | Sun hours/day | kWh per kWp a year | Best tilt | Darkest month at 70° | Sunniest place |
|---|---|---|---|---|---|---|
| Tobago | 1 | 5.70 | 1,670 | 11° | 1.33 kWh | Scarborough |
| Sangre Grande Regional Corporation | 1 | 5.47 | 1,599 | 11° | 1.29 kWh | Sangre Grande |
| Diego Martin Regional Corporation | 1 | 5.45 | 1,596 | 11° | 1.29 kWh | Diego Martin |
| Borough of Arima | 1 | 5.45 | 1,595 | 11° | 1.29 kWh | Arima |
| Tunapuna/Piarco | 2 | 5.43 | 1,590 | 11° | 1.29 kWh | Paradise |
| Port of Spain | 1 | 5.42 | 1,585 | 11° | 1.29 kWh | Port of Spain |
| San Juan/Laventille | 1 | 5.40 | 1,582 | 11° | 1.29 kWh | Laventille |
| Mayaro | 1 | 5.38 | 1,573 | 10° | 1.27 kWh | Rio Claro |
| Chaguanas | 1 | 5.35 | 1,566 | 10° | 1.28 kWh | Chaguanas |
| San Fernando | 3 | 5.30 | 1,549 | 10° | 1.26 kWh | Marabella |
| Point Fortin | 1 | 5.27 | 1,542 | 10° | 1.24 kWh | Point Fortin |
Largest places in Trinidad and Tobago at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Chaguanas | 10.5° N | 10° | 10° | 5.35 |
| Mon Repos | 10.3° N | 10° | 10° | 5.30 |
| San Fernando | 10.3° N | 10° | 10° | 5.29 |
| Port of Spain | 10.7° N | 11° | 10° | 5.42 |
| Rio Claro | 10.3° N | 10° | 10° | 5.38 |
| Arima | 10.6° N | 11° | 10° | 5.45 |
| Marabella | 10.3° N | 10° | 10° | 5.30 |
| Diego Martin | 10.7° N | 11° | 10° | 5.45 |
| Laventille | 10.6° N | 11° | 10° | 5.40 |
| Point Fortin | 10.2° N | 10° | 9° | 5.27 |
| Tunapuna | 10.7° N | 11° | 10° | 5.43 |
| Scarborough | 11.2° N | 11° | 10° | 5.70 |
| Sangre Grande | 10.6° N | 11° | 10° | 5.47 |
| Paradise | 10.7° N | 11° | 10° | 5.44 |
Daylight and clock time in Trinidad and Tobago
In Scarborough (11.2° N), the northernmost place, the longest day of the year lasts 12 h 47 min and the shortest 11 h 28 min; in Point Fortin (10.2° N), the southernmost, 12 h 43 min and 11 h 32 min. Trinidad and Tobago does not use daylight saving time: the clocks stay the same all year.
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| America/Port_of_Spain | 14 | UTC−4 | no daylight saving time |