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Case Studies

 Off Grid MX 15/15

Client: Major Contractor

Location: Dublin, Ireland

Application: Powering Aviation Lights on Tower Cranes

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Challenge

A major contractor in Dublin used a 300 kVA diesel generator to power tower cranes during working hours (7 AM to 6 PM, Monday to Friday, and 7 AM to 2 PM on Saturdays). However, outside these hours, the generator was switched off to save fuel, leaving the aviation lights on the crane without power. Running a 300 kVA generator solely to power the aviation lights during off-hours was environmentally and economically unsustainable.

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Solution

To address this, the Off Grid MX 15/15 battery system was installed. During working hours, the system charged from the main generator. When the generator was turned off after 6 PM, the Off Grid MX 15/15 took over, supplying power to the aviation lights, ensuring they remained operational throughout the night and over the weekend without the need to run the large generator.

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Results

  • Cost Savings: The client achieved significant cost savings by eliminating the need to run the 300 kVA generator during non-working hours.

  • Environmental Impact: The contractor saw a major reduction in CO2 emissions by using the battery system instead of a diesel generator outside working hours.

  • Noise Reduction: By switching to the silent battery system during off-hours, noise levels were significantly reduced, which benefitted both the site and surrounding areas.

  • Operational Efficiency: The Off Grid MX 15/15 provided a hassle-free solution, ensuring that the aviation lights remained powered reliably throughout the night and weekend without any intervention.

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Conclusion

The Off Grid MX 15/15 proved to be a highly efficient solution for maintaining uninterrupted power to aviation lights on tower cranes, particularly in scenarios where running large diesel generators during off-hours was not viable. This solution resulted in substantial cost savings, environmental improvements, and reduced noise pollution, making it ideal for contractors focused on sustainability and operational efficiency.

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Client Testimonial

"The Off Grid MX 15/15 drastically reduced our fuel costs and environmental impact. The transition was seamless, and the system's reliability ensured our aviation lights stayed on without the usual generator issues." - Project Manager, Major Contractor

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 Off Grid MX 15/15

Client: Security Firm
Location: Remote Security Hut
Application: Power for Security Huts

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Challenge

Remote security huts often rely on small, noisy 6 kVA generators to provide power 24/7. These generators are inefficient, consuming substantial amounts of diesel and creating constant noise. Refueling these generators was also cumbersome, increasing operational challenges, and the continuous noise was disruptive to nearby operations.

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Solution

The Off Grid MX 15/15 was installed to work alongside a smaller generator. The generator was run for a short period to charge the battery, after which the Off Grid MX 15/15 provided continuous power to the security hut for an extended period, reducing the generator's runtime drastically.

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Results

  • Cost Savings: The Off Grid MX 15/15 significantly reduced fuel consumption by allowing the generator to operate for only a few hours each day instead of continuously.

  • Environmental Impact: The reduction in fuel use resulted in lower CO2 emissions, helping the client meet sustainability goals.

  • Noise Reduction: As the Off Grid MX 15/15 operates silently, noise levels were dramatically reduced, which improved working conditions for security personnel and lowered disturbance to the site.

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Conclusion

The Off Grid MX 15/15 is an ideal power solution for remote security huts, offering significant savings in fuel, noise reduction, and environmental impact. It allows for quiet and reliable power supply, making it a highly efficient and sustainable choice for long-term operations.

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Client Testimonial

"The Off Grid MX 15/15 has transformed our operations by cutting down on refueling and noise. The system's efficiency in charging and discharging has made a noticeable difference in our daily activities." - Operations Manager, Ring Fence Security

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Off Grid LX 30/60

Client: Construction Company
Location: Built-Up Urban Area, Surrounded by High-Rise Apartments
Application: Dewatering with Submersible Pump

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Challenge

The construction site required continuous dewatering to manage water levels using a submersible pump. Initially, the contractor relied on a generator, which had to run 24/7, resulting in excessive fuel consumption, operational costs, and significant noise pollution. The site, surrounded by high-rise apartments, faced restrictions on generator use during nighttime hours, which caused delays in dewatering, impeding operations during morning shifts.

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Solution

The Off Grid LX 30/60 was deployed alongside the generator. During the day, the generator charged the battery, and at night, the Off Grid LX 30/60 powered the submersible pumps, ensuring continuous dewatering without noise or delays.

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Results

  • Cost Savings: Generator runtime was reduced by 92%, leading to substantial fuel cost savings.

  • Environmental Impact: With reduced diesel usage, the solution resulted in lower CO2 emissions, contributing to greener operations.

  • Noise Reduction: The site achieved significant noise reduction by operating the Off Grid LX 30/60 during the restricted hours, providing a quieter environment for the surrounding residents.

  • Operational Efficiency: The dewatering process continued uninterrupted overnight, preventing any delays in morning operations.

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Conclusion

The Off Grid LX 30/60 is the perfect solution for construction sites located in built-up urban areas where noise pollution and generator use are concerns. It offers substantial cost savings, reduced environmental impact, and efficient operations without the need for continuous generator use.

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Client Testimonial

"The Off Grid LX 30/60 was a fantastic success for our dewatering operations. It drastically reduced our generator runtime and operational costs, making our site more efficient and environmentally friendly while minimizing noise pollution." - Site Manager, Construction Company

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Off Grid LX 45/90

Client: Department of Education
Location: Various Schools in Ireland
Application: Power for Modular Classrooms

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Challenge

As the Irish government expanded modular classrooms in response to rapid pupil growth, many schools lacked sufficient on-site power. These classrooms needed a constant power supply to operate essential services like fire alarms, which was crucial for insurance purposes. Without sufficient grid power, schools had to rely on 24/7 generator use, which was expensive and unsustainable.

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Solution

The Off Grid LX 45/90 battery system was deployed to provide continuous power to the classrooms. The generator only needed to recharge the batteries every other day, reducing the school's reliance on the generator significantly.

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Results

  • Cost Savings: Schools saw an 80% reduction in generator running hours, leading to significant savings in fuel costs.

  • Environmental Impact: With less generator usage, there was a considerable reduction in CO2 emissions, contributing to a greener school environment.

  • Noise Reduction: By running the generator less frequently, noise levels were reduced, creating a quieter environment for students and staff.

  • Operational Efficiency: The Off Grid LX 45/90 ensured reliable power for essential services like fire alarms, helping schools meet insurance requirements.

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Conclusion

The Off Grid LX 45/90 battery system is an efficient and sustainable power solution for schools needing reliable, continuous power for modular classrooms. The system offers significant savings, noise reduction, and environmental benefits, making it ideal for educational institutions focused on sustainability.

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Client Testimonial

"The Off Grid LX 45/90 has been a game-changer for our school. It has dramatically reduced our generator usage and operational costs while ensuring our classrooms have the constant power they need for safety and functionality." - School Principal

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Off Grid LX 45/80 LFP

Client: Large Pharmaceutical Plant
Location: Dublin, Ireland

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Challenge: Complex Power Requirements and Environmental Constraints

A large pharmaceutical plant in Dublin was undergoing critical upgrade works on the roof of its production facility. The construction team required at least 35 kW of power to operate their equipment, but the site’s power supply was limited to just 8 kW. Additional constraints included the inability to use traditional generators due to weight limitations, restricted fuel storage options, noise concerns, and a strict mandate to avoid any emissions that could affect the plant's sensitive environment.

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Solution: Advanced Battery Energy Storage System by GH Energy & Horizon Off Grid Energy

To meet these complex requirements, GH Energy partnered with Horizon Off Grid Energy to deploy an Off Grid LX 45/80 LFP battery energy storage system. This solution utilized the available 8 kW supply to charge the batteries, which in turn provided the necessary 35 kW intermittent power for construction equipment. The battery system's emission-free, quiet operation was critical to maintaining the plant's strict environmental standards.

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Results: Meeting High Power Loads with Zero Emissions

  • Power Delivery: The battery system successfully delivered 35 kW of power for intermittent construction work without exceeding the site's 8 kW power supply.

  • Environmental Impact: The absence of fuel, noise, and emissions aligned perfectly with the pharmaceutical plant’s environmental and operational restrictions.

  • Innovative Power Management: By leveraging the Off Grid LX 45/80 LFP system, the project team effectively met power demands in a highly regulated environment.

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Conclusion: Sustainable Power for Complex Industrial Projects

This project demonstrated how advanced battery storage systems like the Off Grid LX 45/80 LFP can provide flexible, sustainable solutions for industrial sites with challenging power constraints. GH Energy and Horizon Off Grid Energy's collaboration delivered reliable power while adhering to strict environmental requirements, ensuring uninterrupted construction without compromising safety or compliance.

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Client Testimonial

"The Off Grid LX 45/80 LFP system was a perfect solution for our construction needs. It met all the site constraints, providing power without noise or emissions." – Project Manager, Large Pharmaceutical Plant

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Off Grid LX 90/90 LI

Client: Major Contractor
Location: Ireland
Application: Powering Tower Crane and Aviation Light

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Challenge: Inefficient Generator Use on Construction Site

In large-scale construction projects, tower cranes typically require significant power, often provided by oversized generators. A 150 kVA generator was being used to power the crane during work hours and a 10 kVA generator for aviation lights after hours. This setup led to excessive fuel consumption, higher operational costs, and unnecessary CO2 emissions due to the continuous operation of oversized generators.

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Solution: Off Grid LX 90/90 LI Hybrid System

To address these inefficiencies, the Off Grid LX 90/90 LI battery system was deployed alongside a downsized 100 kVA generator. During work hours, the system managed the heavy lifting operations of the crane, while after hours, it seamlessly powered the aviation lights, eliminating the need for the separate smaller generator. The hybrid system allowed the main generator to operate more efficiently, reducing both fuel consumption and CO2 emissions.

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Results: Significant Reductions in Fuel Consumption and Emissions

  • Fuel Savings: The downsized generator, coupled with the Off Grid LX 90/90 LI, led to an 84% reduction in fuel consumption.

  • CO2 Emissions Reduction: Based on the fuel savings, the project estimated a significant reduction in carbon emissions (X tonnes of CO2, pending exact data calculations).

  • Operational Efficiency: The system reduced the generator's runtime by 84%, while still providing consistent power to the crane and aviation light.

  • Reduced Downtime: The battery system delivered uninterrupted power during non-working hours, further minimizing downtime due to fuel refills or generator maintenance.

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Additional Insights: Performance Metrics

  • Generator Running Hours Saved: A total of 781 generator hours were saved over the course of the project.

  • Battery Efficiency: The Off Grid LX 90/90 LI consistently met high-load demands during work hours and provided full power for aviation lights after hours.

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Conclusion: Fuel-Efficient, Sustainable Power for Construction

The hybrid system, combining the Off Grid LX 90/90 LI with a 100 kVA generator, proved to be a highly efficient solution for crane operations. By reducing fuel consumption and carbon emissions, it not only improved operational efficiency but also aligned with the contractor’s sustainability goals. The initial investment in the battery system was offset by long-term savings in fuel and reduced environmental impact, making it a compelling option for future projects.

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Client Testimonial

"The Off Grid LX 90/90 LI system drastically reduced our fuel consumption and CO2 emissions, while still providing the power we needed. It was a game-changer for our project." – Site Manager

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