Sweden Gothenburg Residential Solar Photovoltaic Project
Case introduction

CASE

Case

Sweden Gothenburg Residential Solar Photovoltaic Project

This project is located in an ordinary residential area in Gothenburg, Sweden. It explores the potential of photovoltaic (PV) technology in the high-latitude regions of Northern Europe, providing local residents with sustainable clean energy solutions. The project supports Sweden’s renewable energy development goals and contributes to the transformation of community energy systems.



Project Introduction

This project is located in a typical residential community in Gothenburg, Sweden. It explores the application potential of photovoltaics in high-latitude Nordic regions, providing local residents with a sustainable clean energy solution. It also supports Sweden’s renewable energy development goals and promotes the energy transformation of the community.

Project Details

Installation Scale: The project involves installing solar PV systems on the rooftops of multiple residential buildings within the community. The system size is customized based on the roof area and orientation of each house, maximizing the use of limited space.

Equipment Selection: The project uses high-performance new solar panels, as well as a selection of carefully screened and refurbished older panels. By pairing them appropriately, the system reduces costs while maintaining high energy generation efficiency.

Installation Method: The panels are fixed on sloped rooftops, with the installation angle and orientation optimized to suit Gothenburg’s climatic conditions, ensuring maximum solar radiation absorption across different seasons.

Application

Power Supply for Households: The generated electricity primarily powers household needs, including lighting and appliance usage, reducing dependency on the traditional grid and lowering electricity costs.

Main Equipment

Solar Panels: High-quality monocrystalline silicon panels that generate stable power under various lighting conditions.

Inverter: Smart inverters that efficiently convert DC to AC power, with remote monitoring and fault diagnostic features to ensure stable system operation.

Mounting System: High-strength aluminum alloy brackets, corrosion-resistant and snow-resistant, designed to withstand the climate conditions in Gothenburg.



Project advantages

Energy Independence
Energy Independence
Reduce dependence on traditional energy sources, enhance household energy self-sufficiency, lower electricity bills, and save a significant amount on energy costs in the long run.
Environmentally Friendly
Environmentally Friendly
Clean energy generation with zero carbon emissions helps improve air quality in Gothenburg, aligning with Nordic environmental values.
Reliable Technology
Reliable Technology
The project selects mature equipment and advanced technology, optimizing system design based on local environmental conditions to ensure stable operation and guaranteed power generation efficiency.
Economically Viable
Economically Viable
By using some old photovoltaic panels to reduce costs, the investment payback period is reasonable.

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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