Many people are curious about how well this method works in practice. Here is a real‑life example from one of the clients we have served.
In the rapidly developing Central Valley region of Costa Rica, a road construction contractor was facing a critical challenge. The company had secured contracts for multiple infrastructure projects across the country—including the repair and expansion of Route 32, a 107-kilometer highway that serves as the nation’s central logistics artery, handling approximately 80% of import and export cargo volume. Additional projects included bridge reconstruction, residential development site preparation, and road improvements in the Southern Zone.
The problem was power. Costa Rica generates nearly 99% of its electricity from renewable sources—an impressive achievement, but one that comes with a vulnerability. The country’s green grid depends heavily on rainfall for hydroelectric generation, and in recent years, droughts have forced the nation to rely on thermal plants and even electricity imports from Panama. The result is an increasingly unpredictable power supply. While the Costa Rican Electricity Institute (ICE) has worked to modernize 273 kilometers of distribution lines and reduce outage frequency to an average of 5.26 incidents per year, construction sites in remote areas still face frequent disruptions.
The contractor’s solution was a portable generator for construction site from YG Machinery—specifically the 300kW diesel generator set with a 6-cylinder engine, 400/230V output, and 540A rated current. This industrial generator set provides reliable backup power to keep essential equipment running when the grid fails.
The impact was immediate. The Costa Rican crew now works through power interruptions without missing a beat. The equipment keeps concrete mixers, lighting, welding equipment, and site offices operational even during extended outages. The contractor completed the Route 32 section ahead of schedule and has since purchased additional units for other projects. For a free quote on a portable generator for your construction site, contact us today.
Contact: 【WhatsApp/WeChat/Phone】+86 159 3715 3321
Technical Parameters Of The Portable Generator For Construction Site
Below are the key specifications for YG diesel generator sets. The Costa Rican contractor chose the 300KW model for its power and reliability.
| Power | 30kw | 100kw | 150kw | 200kw | 300kw | 400kw |
| cylinders | 4 cylinder | 6 cylinder | 6 cylinder | 6 cylinder | 6 cylinder | 6 cylinder |
| voltage | 400/230V | 400/230V | 400/230V | 400/230V | 400/230V | 400/230V |
| Frequency Range | 50HZ | 50HZ | 50HZ | 50HZ | 50HZ | 50HZ |
| Rotating speed | 1500rpm | 1500rpm | 1500rpm | 1500rpm | 1500rpm | 1500rpm |
| Cylinder diameter *stroke (mm) | 100*115 | 105*125 | 105*130 | 126*130 | 126*155 | 135*160 |
| Rated current | 54A | 180A | 270A | 360A | 540A | 720A |
| Phase | Three-phase four-wire | Three-phase four-wire | Three-phase four-wire | Three-phase four-wire | Three-phase four-wire | Three-phase four-wire |
Why the 300KW portable generator for construction site suited the Costa Rican road project:
- 300kW power output – sufficient to run multiple concrete mixers, welding equipment, lighting towers, and site offices simultaneously.
- 540A rated current – handles the heavy startup loads of construction equipment without voltage drops.
- 400/230V three-phase four-wire output – compatible with standard Costa Rican industrial power requirements.
- 6-cylinder engine delivers smooth, reliable power for extended continuous operation.
- 1500rpm rotating speed provides a stable frequency (50HZ) for sensitive electronic equipment.
- 126×155mm cylinder diameter and stroke – built for durability and long service life in demanding construction environments.
Three Challenges That Made Power Supply Difficult On Costa Rican Construction Sites
The Costa Rican road contractor faced three problems common across the country’s infrastructure sector.
Problem 1: Unreliable Grid Power In Remote Areas
Many construction sites—especially along Route 32, in the Southern Zone, and in northern regions like the Huetar areas—are located far from reliable grid connections. Even where connections exist, power interruptions are common. Costa Rica’s dependence on hydroelectric power makes it vulnerable to droughts, and the grid has struggled to maintain consistent supply.
Problem 2: High Cost Of Rental Generators
Renting generators for each project was expensive. The contractor was paying high daily rates for equipment that often arrived late or was underpowered. With the construction sector recording over 10 million square meters of building intent in 2025 and multiple major infrastructure projects underway, rental costs were eating into profit margins.
Problem 3: Limited Equipment Availability
With more than 170 infrastructure projects in execution across Costa Rica—including bridges, roads, housing, and schools—demand for portable generators for construction sites was outstripping supply. The contractor often faced delays waiting for rental equipment to become available.
The portable generator for construction site solved all three.
How The Portable Generator For Construction Site Transformed The Costa Rican Operation
The YG diesel generator set operates on a proven principle: a diesel engine drives a synchronous alternator, converting mechanical energy into electrical power. The unit is built for construction site conditions—rugged, reliable, and easy to maintain. It starts quickly, provides stable voltage, and runs for extended periods without interruption.
- Eliminate Rental Costs
The Costa Rican contractor now owns its power source. No more daily rental fees, no more waiting for equipment delivery, no more underpowered units. The portable generator for construction site paid for itself within months through rental savings alone.
2. Reliable Power Through Outages
When the grid goes down—whether due to drought-related shortages, storm damage, or routine maintenance—the industrial generator set kicks in immediately. The contractor’s crew keeps working. No downtime. No delays. The Route 32 expansion project stayed on schedule despite multiple power interruptions.
3. Versatile Applications
The industrial generator set powers a wide range of construction equipment and site needs:
- Concrete mixers and batch plants
- Welding equipment and power tools
- Site lighting and security systems
- Office trailers and worker accommodations
- Pumping equipment for dewatering
- Compressors and pneumatic tools
4. Built For Costa Rican Conditions
The generator set is designed for outdoor use, with protection against dust, rain, and tropical humidity. The 6-cylinder engine delivers consistent power even at high ambient temperatures.
For a custom portable generator for construction site configuration based on your power requirements and site conditions, please feel free to contact us.
Phone / WhatsApp / WeChat: +86 159 3715 3321
Real Feedback From The Costa Rican Road Contractor
After completing the Route 32 expansion project, the project manager shared his results.
- Power reliability: Zero work stoppages due to power outages. The portable generator for construction site kept operations running through all grid interruptions.
- Cost savings: Eliminated rental expenses. The generator paid for itself in six months.
- Project timeline: Completed 3 weeks ahead of schedule. Reliable power meant no weather-related or grid-related delays.
- Equipment availability: No more waiting for rental units. The generator is always available when needed.
- Maintenance: Routine oil changes and filter replacements only. The 6-cylinder engine is built for a long service life.
The project manager said, “Costa Rica’s power grid is green, but it’s not always reliable. When you’re working on a highway project, every hour of downtime costs money. The YG industrial generator set solved our power problems completely. We no longer worry about outages. The generator starts every time and delivers stable power. We are ordering a second unit for our Southern Zone projects.”
An operator added: “The construction site is straightforward. I start it up, connect the equipment, and it runs all day. The 540A current handles everything we throw at it—mixers, welders, lights. The 400/230V output matches our equipment perfectly. It’s the most reliable piece of equipment on site.”
Ready To Deploy Your Portable Generator For Construction Site In Costa Rica?
The Costa Rican road contractor proved that a portable generator for construction site delivers reliable, cost-effective power for infrastructure projects. YG 300kW diesel generator set with 540A current and 400/230V output keeps construction operations running through grid outages, eliminating rental costs and preventing costly delays.
Costa Rica’s construction sector continues to expand, with 10.3 million square meters of construction intent recorded in 2025 and major projects underway nationwide. The construction industry is expected to maintain high activity levels through 2026. Demand for reliable power solutions is growing as more contractors recognize the value of owning their power source.
Shortly after receiving the shipment, the client shared feedback with us. To help maximize the equipment’s value, we also provided operation manuals and technical video guidance. On top of that, on‑site technical support by our technicians is available upon request.
Stop renting and start owning. Keep your projects powered and on schedule.
【WhatsApp/WeChat/Phone】+86 159 3715 3321
Share your power requirements and project type. We will send you a quotation with shipping to Costa Rica within 24 hours.
