Moldova Energy Storage Project
Case introduction

CASE

Case

Moldova Energy Storage Project

The project uses advanced energy storage technology to build an efficient and reliable storage system, integrated with local renewable energy generation and the traditional grid. It optimizes the power supply structure, meets Moldova’s growing electricity demand, and promotes the sustainable development of the local energy sector.



Project Introduction

The Moldova Energy Storage Project is a key energy initiative designed to address Moldova’s energy development needs.

Moldova’s energy supply has long relied on imports, facing various challenges such as energy security and high energy costs. Developing energy storage systems can significantly improve energy independence and power supply stability.

This project leverages advanced energy storage technologies to build an efficient and reliable storage system, integrating with local renewable energy generation and the traditional grid. It aims to optimize the power supply structure, meet the growing electricity demand in Moldova, and promote sustainable development in the local energy sector.

Project Details

Construction Period: From 2024 to 2025, with stages including planning and design, equipment procurement, civil construction, equipment installation and commissioning, and trial operation. Each stage is carefully managed to control progress and quality.

Installed Capacity: The total installed capacity reaches 240 MWh, effectively enhancing the grid’s peak shaving and valley filling capabilities, alleviating the electricity supply-demand imbalance.

Energy Storage Technology: Lithium iron phosphate (LiFePO4) batteries are used, with conversion efficiency over 90% and a cycle life of more than 6,000 charge and discharge cycles.

Applications

Grid Peak Shaving and Frequency Regulation: Excess electricity is stored during low-demand periods and released during peak demand, achieving peak shaving and valley filling, improving grid stability, and reducing power outages.

Renewable Energy Support: Working in conjunction with solar power plants and wind farms, it addresses the intermittency and volatility of renewable energy generation, improving its dispatchability and absorption capacity, and aiding the clean and low-carbon transformation of the local energy structure.

Emergency Backup Power: The system quickly activates during grid failures or power outages, providing temporary power support for critical loads such as hospitals, data centers, and transportation facilities, reducing the impact of power outages.

Main Equipment

Energy Storage Batteries: Lithium iron phosphate batteries are used, offering high energy density, long cycle life, high charge-discharge efficiency, and low self-discharge rate, meeting the energy storage capacity requirements of the project.

Bidirectional Inverters: These inverters convert direct current (DC) into alternating current (AC) and vice versa, with conversion efficiency exceeding 98%.

Energy Management System: This system integrates intelligent monitoring, control, and management functions, continuously monitoring operational parameters and intelligently scheduling and controlling operations based on grid demand and strategies, optimizing system performance, improving energy efficiency, and extending equipment lifespan.



Project advantages

Energy Security and Stability
Energy Security and Stability
Reduce reliance on energy imports, increase self-sufficiency, enhance supply autonomy and security, and ensure the sustainable development of the economy and society.
Environmentally Friendly
Environmentally Friendly
Operate in synergy with renewable energy generation systems to reduce harmful gas emissions from fossil fuel-based power generation, achieve energy conservation and emission reduction, improve environmental quality, and combat climate change.
Significant Economic Benefits
Significant Economic Benefits
Reduce economic losses caused by power shortages or outages, improve the operational efficiency of the power system, stimulate employment and industrial development, and drive economic growth and increased household income.

Core products

Satellite Communication Energy Cabinet
Satellite Communication Energy Cabinet

The Satellite Communication Energy Cabinet is a PV energy storage cabinet from Highjoule Technology Group designed specifically for off-grid satellite communication sites. The system consists of PV modules, an MPPT solar controller, an LFP (Lithium Iron Phosphate) battery pack, a thermal management system, and a power distribution unit, forming a complete off-grid PV generation and energy storage system that provides stable power to satellite communication base stations. The system adopts a modular design and can be efficiently operated and maintained via local and remote monitoring. It supplies 48V DC and AC 120V–200V power to satellite and other industry communication equipment, supporting floor-standing and pole-mount installation.

Outdoor Battery Cabinet
Outdoor Battery Cabinet

The Outdoor Battery product line is centered on green low-carbon, high-efficiency, and intelligent coordination principles. It covers both indoor and outdoor configurations, with lithium batteries (or lead-acid batteries) forming battery energy storage cabinets. Each cabinet also houses environmental sensors, battery circuit breakers, battery cables, and thermal management accessories to form an integrated battery cabinet.

Hybrid Power System
Hybrid Power System

The Site Hybrid Power System is a next-generation multi-energy integrated power supply for 4G/5G base stations, communication equipment rooms, edge data centers, and outdoor compact sites. It breaks the traditional “single grid input, single DC output” architecture to achieve multi-source energy input + multi-voltage output + intelligent coordinated dispatch. At the site level, it accommodates grid power, PV, energy storage, diesel generators, and other sources, delivering a highly reliable, efficient, and simply deployable power framework for 5G equipment, transmission equipment, and IoT loads. Power range: 6 kW–36 kW; available in both 3U and 1U circuit breaker configurations.

Stacked-PV MPPT Solar Controller
Stacked-PV MPPT Solar Controller

The Stacked-PV MPPT Solar Controller is specially developed for PV capacity expansion at base station sites. Using a series-connection scheme, the system consists of PV modules, a stacked-PV MPPT controller, and a DC meter. Each PV string is series-connected to the controller, which steps down the module output voltage to −48V and injects it onto the rectifier output busbar to supply DC loads. Designed for communication base stations, it supports wall-mount and pole-mount installation. The product is available in outdoor and rack-mount versions.

Outdoor Hybrid Energy Cabinet
Outdoor Hybrid Energy Cabinet

The products deeply integrate AC/DC conversion, multi-energy intelligent scheduling, energy storage charge/discharge management, and remote monitoring technologies. Flexibly deployable in indoor equipment rooms, outdoor 5G base stations, and remote sites, they ensure uninterrupted power for communications and critical loads while maximizing green energy consumption, reducing energy use and carbon emissions, and upgrading traditional power supply to a clean, intelligent, integrated site energy solution.

Solution

Professional Integrated "Turnkey" Service System

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