50kW + 150kWh Solar System for Bank | Liberia | Mars Solar

Projektinformation

Månedlige elbesparelser

$2,300 / Month

Local Electricity Rate

$0.35 / kWh

Tilbagebetalingsperiode

13 Months

Samlet systeminvestering

$26,000~$36,000

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Projektoversigt

This 50kW 150kWh solar system powers a commercial bank branch in Liberia, providing reliable backup for critical banking operations including ATM networks, server rooms, and transaction processing systems. The facility consumes approximately 6,000-7,000 kWh monthly and requires zero downtime to protect customer data and maintain regulatory compliance.

Although the bank operates diesel generators as primary backup, prolonged holiday outages have caused repeated disruptions — when diesel fuel runs low during long holiday weekends, server shutdowns result in transaction failures, ATM outages, and potential data loss. The 150kWh battery capacity is specifically sized to maintain critical loads (servers, ATMs, networking equipment, lighting) for up to 3 days without grid or diesel support, fully covering extended holiday periods.

The integrated hybrid system combines grid-tie solar generation with battery backup and automatic transfer switching. During normal operation, the 50kW solar array reduces grid consumption. When grid fails, the system instantly switches to battery mode within 10 milliseconds, then seamlessly integrates diesel when needed. The 150kWh lithium BESS provides 3 days of autonomous operation for the 20kW average critical load — covering even the longest holiday weekends without fuel concerns.

Mars Solar dispatched 1 senior engineer for 7-day on-site commissioning. The team integrated the system with the bank's existing UPS infrastructure, configured priority load shedding for non-critical circuits, and set up encrypted remote monitoring for the IT manager. The bank achieved full ROI within 13 months while eliminating server downtime risks. The system includes iOS/Android apps for real-time monitoring, automatic monthly reports via WhatsApp and email, and 10-year warranty coverage.

Fordele

50kW 150kWh solar system engineered for financial sector uptime requirements — UPS-grade power quality with less than 10ms transfer time protects servers and ATM networks from grid disturbances

3-day autonomous backup capacity — 150kWh battery sustains 20kW critical load (servers, ATMs, networking, lighting) through longest holiday weekends without grid or diesel support

Seamless diesel integration — automatic transfer switching between grid, battery, and existing diesel generator ensures zero interruption to banking operations during fuel transitions

Bank-grade cybersecurity — isolated network architecture with encrypted remote monitoring protects customer financial data while allowing IT staff to monitor from anywhere

Mobile APP real-time monitoring (iOS & Android) — branch manager and IT staff can monitor system status, receive outage alerts via WhatsApp and email, with automatic monthly performance reports

Factory pre-tested + 72-hour continuous stability check before shipment — plug-and-play solution for fast on-site installation with zero bank downtime during commissioning

Ofte stillede spørgsmål

Why does a bank in Liberia need a 50kW + 150kWh battery storage system?

Banks are among the most uptime-critical commercial facilities — every minute of downtime means lost transactions, ATM outages, and potential data corruption. This Liberian bank branch consumes 6,000-7,000 kWh monthly for server rooms, ATMs, networking equipment, lighting, and HVAC. Although the facility already operates diesel generators, prolonged holiday outages have repeatedly exposed a critical vulnerability: when grid fails and diesel fuel runs low during long holiday weekends, the bank faces server shutdowns, transaction failures, and regulatory compliance risks. The 50kW + 150kWh hybrid system addresses all three challenges: solar generation reduces grid consumption and electricity costs, the 150kWh lithium battery provides 3 days of autonomous backup for critical 20kW loads (servers, ATMs, networking, lighting), and the integrated hybrid inverter ensures seamless switching between grid, battery, and diesel within 10 milliseconds — eliminating any interruption to banking operations.

How does the 150kWh battery capacity protect the bank during holiday outages?

The 150kWh lithium battery is specifically engineered to maintain critical banking loads for up to 3 days without grid or diesel support. With an average critical load of 20kW (servers, ATMs, networking equipment, security systems, and essential lighting), the battery provides approximately 7.5 hours of operation per full charge cycle — and with daily solar recharge from the 50kW PV array, the system effectively delivers continuous 72-hour autonomous operation. This is more than sufficient to cover the longest public holiday weekends (e.g., 3-day Independence Day celebrations or extended Christmas periods). During normal weekdays, the battery cycles daily to reduce peak demand charges; during holidays, it switches to reserve mode.

How does the system integrate with the bank's existing diesel generators and UPS infrastructure?

Mars Solar designed the system for seamless integration with the bank's existing infrastructure. The hybrid inverter connects upstream of the existing UPS, allowing the UPS to continue providing instantaneous protection for servers while the battery system handles longer-duration backup. When grid power is available, solar reduces grid consumption. When grid fails, the battery takes over within 10 milliseconds — faster than typical UPS response — and the existing diesel generator starts automatically only when battery state-of-charge drops below 30%. This sequencing dramatically reduces diesel runtime, fuel consumption, and maintenance costs. The Mars Solar engineering team also configured priority load shedding: HVAC, signage, and non-essential lighting are shed first during extended outages, while servers, ATMs, networking, and security systems receive uninterrupted power.

How does the battery system handle Liberia's tropical climate conditions?

The Mars Solar 50kW + 150kWh storage cabinet is engineered for tropical climate operation with a built-in precision air conditioning and ventilation thermal management system rated for ambient temperatures up to 50 degrees Celsius and humidity up to 95% — covering Liberia's equatorial coastal climate. The enclosure is rated IP55 for protection against dust ingress and water jets, critical during the May-October rainy season. Battery cells are arranged with sufficient spacing and active airflow to prevent thermal runaway, and the BMS enforces strict temperature limits on charge and discharge rates during extreme heat events.

What warranty and after-sales service are provided for this Liberia bank installation?

The lithium battery storage system includes a 10-year warranty (or 6,000 charge/discharge cycles, whichever comes first). Mars Solar's standard service package for international installations includes: factory pre-testing and 72-hour continuous stability check before shipment, on-site installation by 1 senior engineer in 7 days with zero bank downtime, BMS calibration to the bank's specific load profile, seamless integration with existing UPS and diesel systems, encrypted EMS commissioning and mobile APP setup for IT staff, operator training, and ongoing remote monitoring with monthly performance reports delivered via WhatsApp and email.

Can the battery storage system be expanded for additional bank branches or future growth?

Yes. The Mars Solar hybrid inverter in this installation supports modular expansion — meaning the storage system can be scaled up at this branch or replicated at additional branches without changing the core architecture. If the bank decides to expand to a larger facility or add rooftop solar panels in the future, the existing 50kW / 150kWh battery system can be paralleled with additional battery cabinets to increase capacity. Mars Solar's engineering team can provide a full expansion feasibility study and design, building on the existing infrastructure, EMS platform, and operational procedures already commissioned in this project.