Off Grid Solar Solutions

1. Solution Overview

Southeast Asia boasts a large number of offshore islands, tidal flat stations, island breeding bases, island homestays and border outposts. These island areas are far from the mainland and cannot be connected to municipal grids, relying entirely on diesel generators for power supply. The marine environment features high temperature, high salt spray, high humidity and frequent typhoons, putting forward extremely high requirements for equipment weather resistance and stability.

Traditional diesel power supply has prominent drawbacks: high fuel shipping and storage costs, high unit failure rate under long-term high-load operation, serious noise and marine pollution, and difficult daily maintenance, restricting the development of island people’s livelihood, cultural tourism and aquaculture industries.

Our island-specific off-grid solar power system is customized for extreme marine working conditions. Equipped with salt-fog corrosion resistant PV modules, island-specific inverters, marine climate resistant energy storage systems and typhoon-resistant reinforced brackets, it builds a high-reliability independent island microgrid. Optional solar-diesel complementary mode ensures all-weather stable power supply for island living, operation, production and duty, being a core solution for green island construction in Southeast Asia.

2. Core Island Power Supply Pain Points

• No grid support: Offshore islands are completely isolated from mainland municipal power, requiring full self-produced power with no external backup guarantee.
• Exorbitant diesel power cost: Fuel relies on ship transportation with high logistics costs, and large daily fuel consumption leads to long-term high island operation costs.
• Easy equipment damage in marine environment: High salt spray, strong ultraviolet rays and frequent typhoons cause corrosion, aging and failure of ordinary power equipment.
• Unstable power supply with operational risks: Frequent failures and shutdowns of diesel units affect homestay operation, aquaculture production and duty safety.
• Limited island O&M conditions: Inconvenient transportation, scarce professional personnel and difficult accessory maintenance lead to long power outage recovery cycles.
• Strict environmental protection restrictions: Diesel exhaust, waste oil and noise pollution violate marine ecological protection and green island tourism policies.

3. Special System Composition

The system adopts exclusive island-level configuration of salt-fog resistance, typhoon resistance, anti-corrosion and high reliability. Core equipment includes marine anti-corrosion PV modules, island dedicated off-grid inverters, salt-fog resistant lithium iron phosphate energy storage systems, reinforced anti-typhoon brackets, intelligent island microgrid EMS and waterproof anti-corrosion power distribution units. All equipment undergoes professional anti-corrosion, moisture-proof and anti-aging treatment to adapt to long-term extreme marine environments.

The system implements a multi-layer power guarantee mode of PV main power supply, energy storage voltage stabilization and extreme backup. Sufficient island solar energy is used for power generation in daytime to meet on-site power demand, with excess power stored. Batteries discharge continuously at night and on rainy days to achieve 24-hour uninterrupted power supply. The optional diesel backup unit provides seamless power support during extreme weather such as typhoons and continuous rainy days. The exclusive EMS intelligently adjusts power scheduling to adapt to island load fluctuations and rapid weather changes, ensuring long-term safe and efficient operation of the microgrid.

4. Core Advantages

• Marine-grade weather resistance: Full set of equipment is anti-corrosion, waterproof, wind-resistant and sun-proof, with slow attenuation and low failure rate, adapting to extreme island environments.
• Sharply reduced operation costs: Maximize the use of free solar energy to replace high-cost diesel power, achieving significant long-term economic benefits.
• All-weather stable power supply: Dual guarantee of solar energy storage and diesel backup eliminates power outage risks and ensures continuous operation of island businesses and duty work.
• Eco-friendly and policy-compliant: Clean energy zero-emission operation protects marine ecology, meeting green tourism and low-carbon island development standards.
• Remote intelligent O&M: Automatic operation, remote monitoring and fault early warning reduce frequent island inspection and maintenance costs.
• Modular expandability: Flexible capacity expansion of PV and energy storage to adapt to the development of island tourism, aquaculture and infrastructure upgrading.

5. Application Scenarios

Suitable for offshore islands, coastal tidal flat stations, island resorts and homestays, marine aquaculture bases, border duty stations, scientific research monitoring stations and small island camps. It is a standard solution for island independent microgrid construction and new energy electrification upgrading.

6. Solution Value

The island off-grid solar system targets five major difficulties of island power supply: no grid reliance, harsh working conditions, high power costs, difficult maintenance and environmental pollution. It builds a low-operation-cost, high-reliability and green ecological island microgrid with marine-grade dedicated equipment. It not only solves the basic power guarantee problem of islands, but also reduces long-term operation costs, protects marine ecological environment, and empowers the high-quality development of Southeast Asian island tourism and marine aquaculture industry.