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End-to-End Power Project Solutions for the Global Energy Market

IEE Business provides end-to-end power project solutions for the global market — from financing and procurement to engineering, construction, and commissioning. We support utilities, developers, and industries with integrated services across renewable, thermal, and grid infrastructure projects, ensuring efficiency, compliance, and timely delivery worldwide.

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Engineering

Dead Tank SF6 Circuit Breaker Solution for African Plateau Regions (Ethiopia)
Project BackgroundEthiopia, located in the East African plateau, has an average altitude exceeding 3,000 meters. In some areas, winter temperatures can drop to -30°C, accompanied by significant diurnal temperature variations (up to 25°C daily) and intense ultraviolet radiation. The local power system faces the following challenges: SF6 Gas Liquefaction Risk: Traditional Dead Tank SF6 Circuit Breakers are prone to SF6 gas liquefaction at low temperatures (critical liquefaction tem
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/22/2025
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Engineering

Rockwill’s

Project BackgroundAs the largest electricity market in South America, Brazil’s power grid spans vast tropical rainforests, coastal high-salt-fog zones, and high-altitude mountainous areas, facing critical challenges: Extreme Climate: High temperatures (up to +40°C) and humidity in the north, low winter temperatures (as low as -10°C) in the south, and severe salt fog corrosion in coastal regions. Grid Reliability Demands: Rapid urbanization requires fault-handling capaci
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/22/2025
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Engineering

South Africa Regional Dead Tank SF6 Circuit Breaker Solution Report
Ⅰ. Project BackgroundAs the first African country adopting dead tank SF6 circuit breaker technology, South Africa's grid system faces these challenges: Aging Dead Tank SF6 Circuit Breakers: Existing high-voltage circuit breakers exhibit severe aging, particularly legacy dead tank SF6 circuit breakers with increased failure rates. Dead Tank SF6 Circuit Breaker Limitations: In high-altitude regions (>2,000m), conventional dead tank SF6 circuit breakers experience insulation degradation from low
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/22/2025
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Engineering

NEMA-Compliant Distribution Transformer Solution: Specialized Optimization for New Energy Manufacturing
Ⅰ. Project ChallengesA lithium battery production line in Quebec required conversion of 575V three-phase power from the Canadian industrial grid to 220V single-phase power. The existing distribution transformer system faced: Harmonic interface: Voltage distortion affected precision control systems, reducing yield rates by 18% Energy efficiency loss: Conventional distribution transformers exhibited 0.8 power factor with notable reactive losses Environmental adaptability: Humidity fluctuations in
Rockwell
13yrs 60000+m² US$100,000,000+ China
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05/20/2025
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Engineering

Complete Solution for Central Air Conditioning System Retrofit in Mexican Office Buildings (American Standard Distribution Transformer)
Ⅰ. Project Background & Pain Point AnalysisThe Mexican office building utilizes a 15HP commercial central air conditioning system originally powered by a single-phase 220V grid. Due to the lack of 380V three-phase driving voltage, the compressor startup current exceeds overload limits (measured at 3.2× rated current), causing refrigeration efficiency to plummet to 40%, accompanied by: Motor winding temperature rise exceeding standards (ΔT > 65°C), reducing insu
Rockwell
13yrs 60000+m² US$100,000,000+ China
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05/19/2025
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Engineering

ANSI-Compliant Distribution Transformer Solution for Energy Efficiency Optimization in a Mexican Baking Plant
Ⅰ. Scenario Requirements & Technical Challenges Grid Compatibility: Mexico's industrial grid operates at 480V/60Hz (3-phase), while imported equipment (e.g., Italian baking lines) requires 380V/50Hz, creating dual voltage and frequency mismatches. Equipment Reliability: The baking workshop’s harsh environment (up to 45°C, 70% humidity) demands ANSI-compliant distribution transformers with high-temperature resistance and moisture-proof capabilities to prevent insulation fail
Rockwell
13yrs 60000+m² US$100,000,000+ China
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05/19/2025
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Engineering

Rockwill's SF6 Circuit Breaker Solution for 33kV Substations in Nigeria
Project BackgroundNigeria’s tropical climate, characterized by year-round high temperatures (annual average of 35°C) and humidity (≥80%), poses significant challenges to the sealing integrity, insulation performance, and gas management of electrical equipment. Rockwill was contracted to upgrade a 33kV substation, deploying its proprietary HV-type SF6 circuit breaker to address critical issues: Sealing Failure Risks: Accelerated aging of seals due to heat and water ingres
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/13/2025
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Engineering

Rockwill Company's SF6 Circuit Breaker Solution for Substations in the Ethiopian Highlands
I.Project Background​The Ethiopian highlands feature high altitudes (average over 2,500 meters), extreme cold climates (winter temperatures as low as -30°C), and location within the seismically active East African Rift Zone. These conditions pose significant challenges to power equipment:​SF6 Liquefaction Risk: At 0.6 MPa operating pressure, SF6 gas liquefies at -25°C. Extreme cold may cause liquefaction, leading to degraded insulation and loss of arc-extinguishing capability.​Seismic Th
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/13/2025
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Engineering

SF6 Circuit Breaker Solutions for Outdoor Installation (Anti-Pollution & Seismic Resistance)
I.Core Challenges in Outdoor Installation​In high-voltage transmission and distribution systems, SF6 circuit breakers are exposed to complex outdoor environments for extended periods, facing the following critical issues:​Pollution & Insulation Degradation​Dust, salt fog, and industrial pollutants in outdoor environments easily adhere to equipment surfaces. In coastal or industrial areas, pollution levels may reach ​Class IV, resulting in insufficient creepage distance and triggering ​flasho
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/12/2025
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Engineering

SF6 Circuit Breaker Solutions for Rural Power Grids in Africa by ROCKWIL
I. Core Challenges in African Rural Power Grids Low Electrification Rate and High CostsSub-Saharan Africa has less than 10% rural electrification, leaving 600 million people without stable power. Traditional grid expansion requires long-distance transmission lines and large substations, but sparse populations and complex geography (e.g., high-altitude regions, deserts) lead to soaring construction costs and prolonged timelines. Poor Environmental Adaptability and Short Equipment LifespanExisting
Rockwill
18yrs 500-1000 employees 108000m²+m² US$150,000,000+ China
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05/12/2025
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