Guayubín

Solar power plant in Monte Cristi, Dominican Republic. Approximate location 19.706, -71.377.

SolarMonte CristiDominican RepublicPVAnnounced

Guayubín is a 58 MW solar power plant in Monte Cristi, Dominican Republic. It is operated by Manzanillo Energy SAS. Based on its capacity (estimated), it can supply roughly 25k homes (estimated). It ranks #23 of 30 Dominican Republic power plants by installed capacity. As a non-combustion source, it has no direct CO₂ emissions from generation. In context, solar supplies about 9.9% of Dominican Republic's electricity; the national grid averages 537 gCO₂/kWh (23.8% low-carbon) (2025).

58MW installed capacity
24,678homes powered (est.)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id WKS0069260.

Data status

Known data

FacilityGuayubín WRI
CountryDominican Republic · Monte Cristi WRI
Coordinates19.706, -71.377 WRI
FuelSolar WRI
MW installed capacity58 MW WRI GPPD; source record
OwnerManzanillo Energy SAS WRI
TechnologyPV WRI

Calculated from dataset

Capacity rank in country#23 / 30 calculated
Fuel-specific rank in country#2 / 3 calculated
Homes-powered equivalent24,678 calculated
Climate26.3°C · HDD 0 derived from coordinates
Environmental severityCX · 52/100 derived from coordinates

Not available

CommissionedNot available not in dataset
GWh reported / yrNot available not in dataset
CO₂ emissionsnot applicable not applicable

Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.

Data provenance

The capacity and fuel fields on this page are source-record values from the upstream open dataset. They are useful for identification and ranking, but they have not been upgraded to a 2026 registry/GEM-location verified value.

capacity: WRI GPPD; fuel: WRI GPPD

In context: how this plant compares

Technically it is described as PV. Its current lifecycle status is “Announced” — so it is not yet, or no longer, generating at full output. Solar PV converts sunlight directly into electricity with no moving parts or fuel; output varies by time of day and weather, so it pairs with storage or flexible backup.

Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.

Capacity vs largest solar plants in Dominican Republic

Monte Plata: 72 MW72Monte PlataGuayubín: 58 MW58GuayubínCanoa: 25 MW25Canoa

Installed capacity (MW), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Manzanillo Energy SAS.

Local climate & thermal context

This solar plant converts sunlight directly into electricity with photovoltaic panels. It sits in a tropical savanna climate (Köppen As) — Northern Hemisphere, latitude 19.7°N — which shapes how much energy it can produce and how its output varies through the year.

26.3°Cannual mean temp
0heating degree-days (base 18°C)
3,018cooling degree-days (base 18°C)
129 melevation

Monthly mean temperature

J: 24 °CJF: 24 °CFM: 25 °CMA: 26 °CAM: 27 °CMJ: 28 °CJJ: 28 °CJA: 28 °CAS: 28 °CSO: 27 °CON: 26 °CND: 24 °CD28 °C

This site has effectively no heating season (tropical/equatorial climate), so winter heat loss is not the driver here. The thermal concern shifts to year-round process heat and humidity/heat-driven corrosion of hot equipment.

Solar PV loses ~0.35%/°C above 25°C cell temperature — roughly 1.1% at warm-season highs here (estimate).

Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.

Site climate & environmental severity

For a plant’s outdoor hardware — heat-recovery steam generators (HRSG), expansion joints, valves, flanges and their insulation — the local climate sets how fast unprotected steel and coatings degrade. This site sits in an extreme marine/tropical environment (estimated ISO 9223 class CX — Extreme), with marine salt corrosion the leading environmental stress.

CXISO 9223 corrosivity (indicative)
52/100environmental-severity index
4.2°Cseasonal temperature swing
14 kmdistance to coast

Higher environmental severity is exactly where protective removable insulation pays back most: a sheltered micro-climate slows corrosion, UV and thermal-cycling damage and extends outdoor hardware service life. This is an indicative site-climate context — not a condition assessment of any specific plant or operator.

Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.

How it compares & nearby plants

The #2 largest solar power plant of 3 in Dominican Republic by capacity.

Dominican Republic has 3 solar power plants in this dataset, together about 155 MW of capacity.

Nearby power plants

Location

Coordinates 19.706, -71.377 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Guayubín?

Guayubín is a 58 MW solar power plant in Monte Cristi, Dominican Republic.

How many homes can Guayubín power?

Its output is enough to supply roughly 24,678 homes (estimated).

Who operates Guayubín?

Guayubín is operated by Manzanillo Energy SAS.

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