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SOLUTION / 06 · Off-Grid
Zero Grid, Pure Green

Off-Grid
Solution

No grid? Build an energy station anyway.

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01 / The Problem

Traffic and demand, but no grid

Remote mines, island resorts, temporary camps, and underdeveloped intercity highways concentrate power demand where the grid is hardest to reach.

Pain Point 01

Traffic and demand, no grid

The busiest corridors are often the grid's blind spots. A high-voltage line costs tens of millions, approval takes years, and in many regions it is simply not feasible.

Traffic and demand, no grid
Grid line infeasible Years of approval
Pain Point 02

Diesel cannot scale

Diesel generation costs far more than grid power. Large stations need multiple big generators in parallel; the cost model simply does not work.

Diesel cannot scale
High cost Cannot scale
Pain Point 03

Off-grid stability challenge

No big grid as a backstop. A passing cloud cuts solar output by hundreds of kW; multiple vehicles plugging in can spike demand in seconds. Generation must equal consumption at every instant.

Off-grid stability challenge
Solar intermittency Instant balance
02 / Traditional Approach

Burn diesel or build lines, neither works

Diesel solves "is there power", not "can you afford it". Building lines solves "capacity", not "time and investment".

Option A High cost

Diesel generators

Low upfront cost, but operating costs are extreme. Fuel, transport, and maintenance devour margins, and scaled stations break the cost model entirely.

Operating cost Very high
Scalability Poor
Timeline Weeks
Option B Huge investment

Build grid lines + station

Transmission lines, transformers, and charging equipment. Extreme upfront cost, 1-3 years to build, and infeasible in most remote regions.

Investment Tens of millions
Timeline 1-3 years
Site freedom Line-bound

The real answer: don't wait for the grid. Build a "micro power system" on site, with solar generating, storage buffering, and microgrid control dispatching.

03 / Our Solution

Solar-storage synergy, self-sufficient

Large-scale solar as the energy source, high-capacity storage for buffering and power support, and microgrid control for instant balance. Three in synergy, running independently.

Layer 1

Make the energy sufficient

Large-scale solar arrays as the only daily energy source, sized to cover daily charging demand with margin. Diesel only for prolonged cloudy periods.

Layer 2

Hold the power

High-capacity storage for energy buffering and power support. Capacity is set by the longest no-sun window; power by simultaneous maximum charger demand.

Layer 3

Manage the dispatch

The microgrid controller balances solar, storage, and load in real time. Power is cut instantly on solar drops; SOC-tiered protection prevents over-discharge collapse.

System Architecture

System Architecture
04 / Key Equipment

Containerized integration, power on arrival

Battery clusters, PCS, and MPPT fully integrated in a standard container. Pre-assembled and pre-tested at the factory; plug in solar and charging lines on site and power up.

Equipment 01 · Workhorse

Containerized Solar-Storage System

Pre-assembled and tested at the factory. On site: connect solar lines, output to chargers, ground, and power up. PCS supports V/f off-grid mode.

Containerized Solar-Storage System
Standard Container DC Coupling V/f Off-grid
Equipment 02 · Brain

Microgrid Controller

Maintains frequency and voltage of the whole microgrid independently, with no big grid as reference. Island stability, coordinated dispatch, SOC-tiered protection.

Microgrid Controller
Island Stability Coordinated Dispatch SOC Protection
Equipment 03 · Operations

Cloud Platform

Real-time monitoring of generation, SOC, and charging. Remote sites make monitoring and alert push especially critical.

Cloud Platform
Real-time Monitor SOC Alerts OTA Upgrade
Closed Loop
05 / Project Process

Five stages, months to delivery

From site selection and solar resource assessment to a 72-hour trial run. Modular design supports phased expansion as traffic grows.

01

Project Inquiry

Project Inquiry
02

Site Selection + Solar Resource Assessment

Site Selection + Solar Resource Assessment
03

Technical Analysis + Business Case

Technical Analysis + Business Case
04

On-site Deployment

On-site Deployment
05

Commissioning + O&M Support

Commissioning + O&M Support
06 / Case Study

Cambodia off-grid truck station, pure green power

The benchmark case of a purely off-grid large-scale solar-storage charging station. A 1000kW/1928kWh container plus 960kWp solar, running independently with no grid.

Solar-Storage System
1000kW
/ 1928kWh container
Solar Capacity
960kWp
580W panels across site
Daily Generation
3,440kWh
About 11 truck charges
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