Solar Powered Cold Storage Container for Remote & Off-Grid Applications

Introduction

Solar cold rooms and solar freezer containers provide a reliable, energy-efficient, and sustainable cold storage solution for locations with limited or unstable electricity. Powered by solar energy and supported by advanced refrigeration technology, these systems maintain stable storage temperatures while reducing operating costs and dependence on the power grid.

Designed for food preservation, pharmaceutical storage, agricultural products, seafood processing, and cold chain logistics, solar cold rooms help protect temperature-sensitive products throughout storage and transportation. They are particularly suitable for remote farms, rural communities, islands, mining sites, disaster relief operations, and regions with unreliable power infrastructure.

Whether you need chilled storage for fresh produce and medicines or frozen storage for meat, seafood, and other perishable products, our solar cold room and solar freezer container solutions can be customized to meet your temperature, capacity, and energy requirements. With flexible container sizes, high-efficiency insulation, intelligent temperature control, and optional battery energy storage systems, they deliver dependable refrigeration performance for both off-grid and hybrid power applications.

  • 100% solar powered (hybrid / offgrid / ongrid optional)
  • 20ft / 40ft container cold room available
  • -30℃ deep freezing capability
  • Plug & play mobile cold storage
  • Low operating cost

Solar Cold Storage Container Types

I)Hybrid Solar Cold Room

* Process: Solar panels directly convert solar energy into DC, which is then converted to AC by the inverter for cold room use.Excess energy is stored in batteries, with grid power as backup to ensure continuous operation.

* Features: Combines solar, battery, and grid power to provide continuous and stable energy supply.

* Advantages: Provides 24/7 power, highly adaptable, reduces electricity costs, and increases system reliability.

* Applications: Ideal for areas with unstable grids or high demand for continuous power, such as food processing plants and remote warehouses.

II) Off-Grid Solar Cold Room

* Process: Solar panels (PV) directly convert solar energy into DC, which is then converted into AC by the inverter and stored in batteries. The batteries power the cold room.


* Features: Fully dependent on solar and battery storage, no grid connection required, ideal for off-grid areas.


* Advantages: 100% independent operation, ideal for remote areas, reduces electricity costs.


* Applications: Suitable for areas without grid access, especially in agriculture and food storage.

III) On-Grid Solar Cold Room

* Process: Solar panels directly convert solar energy into DC, which is then converted to AC by the inverter and powers the cold room. Excess power is fed back to the grid.

* Features: No battery required, uses both grid power and solar energy for efficient operation.

* Advantages: Lower initial investment, ideal for areas with high electricity costs, grid power complements solar energy.

* Applications: Suitable for urban or grid-stable areas, especially for cold chain transportation and food storage.

20ft & 40ft Solar Refrigerated Container Specifications

Technical Details 20ft Solar Container Cold Room 40ft Solar Container Cold Room
Container Size Approx. 4.9 × 2.3 × 2.3 m
Storage Volume: ≈25.9 m³
Approx. 10.5 × 2.3 × 2.6 m
Storage Volume: ≈62.8 m³
Storage Type Chiller Storage
Frozen Storage
Chiller Storage
Frozen Storage
Temperature Range Chiller: 0 ~ +10°C
Freezer: -18 ~ -30°C
Chiller: 0 ~ +10°C
Freezer: -18 ~ -30°C
Application Food Storage
Agriculture
Seafood
Pharmaceuticals
Cold Chain Logistics
Food Distribution
Seafood Processing
Large Farm Storage
Medicine Storage
Remote Cold Chain Projects
Insulation Panel PU/PIR Panel
Chiller: 100mm
Freezer: 150mm
Density ≥40kg/m³
PU/PIR Panel
Chiller: 100mm
Freezer: 150mm
Density ≥40kg/m³
Cooling Capacity Chiller: 2.5 ~ 3.5 kW
Freezer: 6 ~ 11 kW
Chiller: 6 ~ 9 kW
Freezer: 14 ~ 24 kW
Refrigeration System Air-cooled Condensing Unit
Ceiling Evaporator
Hot Gas Defrost
High Efficiency Condensing Unit
High Airflow Evaporator
Hot Gas Defrost
Compressor Scroll Compressor
Copeland / Emerson
Scroll Compressor
Copeland / Emerson
Refrigerant R404A / R449A / R507A R404A / R449A / R507A
Power Supply 220V
1 Phase
50/60Hz
220V / 380V
1 Phase / 3 Phase
50/60Hz
Solar PV System Chiller: 4 ~ 6 kWp
Freezer: 8 ~ 12 kWp
Chiller: 8 ~ 12 kWp
Freezer: 15 ~ 25 kWp
Solar Inverter Hybrid Solar Inverter
Chiller: 5 ~ 6 kW
Freezer: 8 ~ 10 kW
Hybrid Solar Inverter
Chiller: 10 ~ 12 kW
Freezer: 15 ~ 25 kW
Battery Capacity Lithium Battery System
Chiller: 10 ~ 20 kWh
Freezer: 20 ~ 40 kWh
Lithium Battery System
Chiller: 20 ~ 40 kWh
Freezer: 40 ~ 80 kWh
Operating Mode PV + Grid Hybrid
PV + Battery
Off-grid Operation
PV + Grid Hybrid
PV + Battery
Off-grid Operation
Control System PLC Intelligent Controller
Temperature Monitoring
Humidity Recording
Remote Monitoring Optional
PLC Intelligent Controller
Temperature Monitoring
Humidity Recording
Remote Monitoring Optional
Floor Structure Food-grade Anti-slip Floor
Vapor Barrier
Anti-condensation Heating
(Freezer Type)
Reinforced Anti-slip Floor
Vapor Barrier
Anti-condensation Heating
(Freezer Type)
Standard Features LED Lighting
Door Heater
Emergency Release
Overload Protection
LED Lighting
Door Heater
Emergency Release
Overload Protection
Optional Features Remote Monitoring
Data Logger
Solar Energy Management
Racking System
Remote Monitoring
Data Logger
Solar Energy Management
Racking System

Solar Cold Storage Solutions for Different Industries

Discover how solar-powered cold storage containers support agriculture, fisheries, cold chain logistics, and off-grid businesses with reliable temperature-controlled storage.

Agricultural Produce Preservation

Reduce post-harvest losses with solar-powered cold storage for fruits, vegetables, and flowers.

Fisheries Storage

Store freshly caught seafood safely with reliable solar refrigeration near fishing areas.

Remote Retail & Food Service

Deliver continuous refrigeration for small markets and restaurants where power supply is limited.

Cold Chain Logistics

Support temperature-controlled food and pharmaceutical distribution in remote regions.

Why Choose Our Solar Cold Storage Container?

  • Reliable Cooling Anywhere

Icepoint solar cold rooms ensure stable refrigeration even in remote or off-grid areas with unstable power supply.

  • Energy Independence

Powered by solar panels with battery storage, they greatly reduce reliance on diesel generators or local grids.

  • High Efficiency & Low Operating Cost

Designed with advanced insulation and intelligent control systems for maximum cooling performance and minimum power consumption.

  • Durable & Easy to Install

Factory-assembled containerized design with long-life components, ready for quick setup and minimal maintenance.

  • Customizable Solutions

Icepoint offers tailored designs for different capacities,temperatures, and products — from fruits and vegetables to dairy and frozen goods.

Main Components

1. Solar Panel

* High-efficiency monocrystalline panels, corrosion-resistant aluminum frame.

* CE / IEC certified, weatherproof, stable output.

* Long-term performance, trusted for 25+ years.

2. Battery

* Deep-cycle lithium or GEL type, high capacity and durability.

* CE / UN38.3 certified, safe and reliable storage.

* Smart charging, long backup hours.

3. Cold room Condensing unit outside

* Equipped with world-class compressors (Copeland / Bitzer / Danfoss).

* CE / ISO9001 certified, efficient and low noise.

* Precision control, factory-tested reliability.

4. Evaporator/Air cooler inside

* Aluminum fins + copper tubes, efficient heat transfer.

* CE / CCC certified, EC fans optional.

* Low noise, strong airflow, easy maintenance.

3. Cold room body

  • High-density PIR/PUR insulation, food-grade steel surface.
  • CE / HACCP / B1 fire-proof certified.
  • Excellent insulation, strong structure, hygienic and durable.

Successful Solar Cold Storage Projects Worldwide

20ft Solar Powered Cold Storage Container – Client from Somalia

Application: Fruits & Vegetables Storage

40ft Solar Cold Storage Container – Client from Nigeria

Application: Food Distribution Center

20ft Solar Walk-In Freezer Container – Client from Kenya

Application: Frozen Meat Storage

40ft Frozen Food Container Freezer – Nigeria

Designed for frozen chicken distribution with stable -18°C storage and reliable operation.

40ft Dairy Cold Storage Container – Uganda

Provided consistent temperature control for milk and dairy products in remote locations.

40ft Seafood Freezer Container – Indonesia

Maintained export-quality frozen seafood with stable low-temperature storage.

Our Factory

We are a specialized manufacturer offering one-stop refrigeration solutions for food processing plants.Whether for meat processing, seafood handling, or frozen food production, we provide a complete set of refrigeration equipment—from raw material pre-cooling (flake ice or chilled water systems), workshop temperature control, quick-freezing units,cold storage rooms, to control and monitoring systems.

Our solutions are widely applied in poultry, pork, seafood, and vegetable processing facilities, helping clients build efficient,hygienic, and regulatory-compliant cold chain infrastructures.

Frequently Asked Questions

What is a solar container cold room?

A solar container cold room is a refrigerated storage container powered by solar energy.It provides reliable temperature control while reducing electricty costs.

What temperature range can it maintain?

The system can be customized for chilled storage (0°C to 8°C) or frozen storage (-18°C to -25°C), depending on your application.

Can it operate at night?

Yes. Battery storage systems provide power during nighttime and low-sunlight conditions. Grid or generator backup is also available.

What container sizes are available?

Common options include 20ft, and 40ft containers. Custom sizes and layouts are available upon request.

Can the system operate off-grid?

Yes. Solar container cold rooms can be designed as fully off-grid solutions or hybrid systems with utility power backup.

What products can be stored?

They are suitable for fruits, vegetables, meat, seafood, dairy products, frozen foods, pharmaceuticals, and other temperature-sensitive products.

Can the cold room be customized?

Yes. We can customize the container size, temperature range, refrigeration system, solar capacity, battery storage, and monitoring features.

Do you provide technical support?

Yes. We provide system design, shipping, installation guidance, and technical support for projects worldwide.

Need an Off-Grid Cold Storage Solution?

Tell us your product type, required temperature, storage capacity, and local power conditions. Our engineers will design a reliable and energy-efficient solar container cold room solution tailored to your project.

Miss. Susan Ye

I am the founder of Icepoint, with over 20 years of hands-on experience in the refrigeration and cold storage industry. I have participated in the successful design and implementation of more than 200 cold chain projects worldwide, including walk-in cold rooms, blast freezer rooms, refrigeration systems and customized cold storage solutions for food processing, seafood, meat, agriculture and pharmaceutical applications.

Our team is committed to providing customized cold storage solutions, helping customers improve product quality, maximize your investment and build efficient cold chain systems. We support projects worldwide with design consultation, equipment manufacturing and technical guidance.

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