Chile is building for a future defined by connectivity, clean energy leadership, and regional opportunity. Backed by more than USD $18 billion in active development, these transformative public and private projects are reshaping the country’s economic landscape under the National Public Infrastructure Plan 2025–2055.

From the capital’s sprawling commuter rail expansions to the emergence of green hydrogen as a global export, Chile’s infrastructure story is one of ambition with clear delivery milestones — each project already advanced with contractors engaged, funding secured, and foundations underway.

Below, we showcase the 10 largest projects powering Chile into its next decade of growth.

1️⃣ Lo Aguirre – Entre Ríos HVDC Transmission Line

Investment: USD $1.3–1.5B | Sector: Energy | Progress: 60% engineering & permitting

Chile’s renewable-dense south will soon be directly linked to the industrial heart of the nation through a high-capacity HVDC system designed to reduce outages and drop energy prices. Construction is set for Q1 2026.

Expected Impact
✅ Greater power stability across regions
✅ Increased renewable energy integration
✅ Improved industrial competitiveness

Top 5 Contractors / Partners

• Coordinador Eléctrico Nacional

• Siemens Energy / Hitachi Energy (shortlisted HVDC suppliers)

• Systra (engineering oversight)

• Elecnor (transmission EPC — tender phase)

• Transelec (grid infrastructure partner)
  
   

2️⃣ Alameda – Melipilla Railway

Investment: USD $1.88B | Sector: Transport (Rail) | Progress: 45%

A 59 km electric commuter railway set to connect Melipilla and Santiago, easing congestion and supporting regional growth. Civil works—valued at $813M—are already well underway.

Expected Impact
✅ Up to 60,000 commuter journeys/day
✅ Faster, cleaner travel for Santiago’s west corridor
✅ Greater social and labour mobility

Top 5 Contracts

• EFE Trenes de Chile (client)

• Sacyr (civil works delivery)

• AECOM (engineering services)

• Alstom (rolling stock & systems)

• Echeverría Izquierdo (stations)
  
   

3️⃣ Route 5 North Upgrade (Llaillay – Puerto Montt)

Investment: USD $1.275B | Sector: Road | Progress: 40%

With over 400 km under modernization, Chile’s core logistics artery is being rebuilt for smoother freight flow and safer passenger travel.

Expected Impact
✅ Increased road safety and capacity
✅ Stronger tourism and rural commerce
✅ Efficient supply chain integration north to south

Top 5 Contracts

• MOP Concessions Unit

• OHL

• Ferrovial Construction

• Besalco

• ICAFAL (bridge works)
  
   

4️⃣ Santiago – Batuco Railway

Investment: USD $0.95B | Sector: Rail | Progress: 55%

Part of Chile’s $5B rail modernization agenda, this 20 km extension boosts access for fast-growing communities and supports future freight rail services.

Expected Impact
✅ Smart urban expansion
✅ Property value uplift in northern Santiago
✅ Cleaner, congestion-free mobility

Top 5 Contracts

• EFE Trenes de Chile

• Systra

• Acciona (proposed JV execution)

• Webuild (tunnelling — bid phase)

• Ineco (technical advisory)
  
   

5️⃣ Ruta 68 — Santiago to Viña del Mar Second Concession

Investment: USD $1.2B | Sector: Road | Progress: 35%

The most traveled coastal corridor of the country is getting safer lanes, improved toll systems, and better resilience to climate and traffic load.

Expected Impact
✅ 20M+ travellers annually benefit from improved mobility
✅ Strategic tourism support
✅ Faster freight movements to Valparaíso Port

Top 5 Contracts / Bidders

• Abertis / Globalvia (shortlisted)

• Sacyr Concesiones

• Vinci Highways

• MOP (concession authority)

• Geocisa (ground investigations)
  
  
   

6️⃣ Route 5 Río Bueno – Puerto Montt Second Concession

Investment: USD $0.87B | Sector: Road | Progress: 38%

A central upgrade for southern Chile’s agro-export economy, including resilience measures and advanced traffic systems.

Expected Impact
✅ Safer, more efficient logistics to Patagonia
✅ Regional job and tourism growth
✅ Reduced travel time for communities

Top 5 Contracts

• Globalvia

• OHL / Sacyr JV

• Besalco

• MOP Concessions Unit

• IDOM (design consultant)
  
   

7️⃣ Gente Grande Green Hydrogen Project

Investment: USD $7B | Sector: Clean Energy | Progress: 50%

A 3 GW powerhouse to produce up to 1.5M tons/year of green ammonia for global export markets — placing Chile on the world hydrogen map.

Expected Impact
✅ Thousands of skilled jobs in Magallanes
✅ Industrial transformation in the south
✅ Major renewable export revenues

Top 5 Contractors / Partners

• Total Eren / HIF Global

• Enel Green Power

• Siemens Energy (electrolyzer tech)

• Odfjell Terminals

• Wood Group / Systra (engineering)
  
   

8️⃣ Andes Renovables (Phases 1–3)

Investment: USD $2B+ | Sector: Renewables | Progress: 45% overall

Ten solar and wind farms — including the Condor flagship — delivering 2 GW of clean energy to power two million homes.

Expected Impact
✅ Carbon reduction on a national scale
✅ Lower-cost energy for households
✅ Strengthened local supply chains

Top 5 Contracts

• Mainstream Renewable Power

• Elecnor / Techint

• Vestas (wind turbines)

• Acciona (grid integration)

• SGS Chile (quality management)
  
   

9️⃣ Coquimbo Desalination Plant

Investment: USD $0.4B | Sector: Water | Progress: 40%

Water security for mining and agriculture — and for more than 700,000 residents in a drought-impacted region.

Expected Impact
✅ Guaranteed potable supply for communities
✅ Safeguarded jobs in key industries
✅ Climate risk mitigation

Top 5 Contracts

• Aguas del Valle / Econssa

• Acciona Agua

• IDE Technologies

• Bechtel (engineering advisory)

• Ferrovial (marine interface — proposed)

 

🔟 Puerto Exterior San Antonio Expansion

Investment: USD $1.0B+ | Sector: Logistics | Progress: 65% environmental approvals

Chile’s future deep-water hub — designed to handle growing Pacific trade, new-generation vessels, and manufacturing supply chains.

Expected Impact
✅ >3M TEU added national container capacity
✅ Competitive logistics costs for exporters
✅ Major employment boom in the Valparaíso region

Top 5 Contracts

• Puerto San Antonio

• CHEC — China Harbour Engineering Company

• Dragados (marine civil works)

• Moffatt & Nichol (port design)

• Boskalis (dredging)

 

 

A National Investment in Prosperity

Across rail, energy, ports, and water resilience, these projects represent:

📍 $18B+ in live infrastructure delivery
🧑‍🏭 Tens of thousands of jobs
⚡ Clean development and innovation
🚆 Powerful connectivity for millions
📦 Faster, more competitive export flows

Chile’s focus is unmistakable: build boldly, build sustainably, and build for the next generation.