Our Services
Comprehensive supply, installation, maintenance, and technical services across our 9 core domains and banking automation solutions.
End-to-End Service, Every Step of the Way
OES provides a complete service lifecycle for every product we supply. From initial consultation and custom system design, through professional installation, to long-term annual maintenance contracts and emergency support, OES is your single partner for the entire journey.
Solar Systems Services
OES offers complete solar system solutions for homes, factories, and commercial facilities. From initial site survey and system design to smart inverter supply, installation, net metering, and long-term maintenance contracts, OES is your trusted partner for all things solar.
View Solar Systems CategorySystem Design & Engineering
Custom load analysis and system design tailored to your energy consumption and budget.
Solar Panel Supply & Installation
Supply and professional installation of Mono PERC, bifacial, and standard solar panels.
Grid-Tied System Setup
Connection to the national grid with proper protection and synchronization equipment.
Off-Grid System Setup
Complete standalone solar systems with battery backup for areas with no grid access.
Net Metering & DISCO Liaison
End-to-end net metering registration and liaison with your electricity distribution company.
Battery Integration
Seamless integration of battery storage with your solar system for maximum energy independence.
Emergency Repair & Fault Diagnosis
Rapid response repair services for inverters, panels, and wiring issues.
Battery Storage Services
From lithium-ion to deep-cycle battery banks, OES supplies and services energy storage solutions for every scale. We handle procurement, installation, commissioning, load testing, and ongoing maintenance for industrial and enterprise battery systems.
View Battery Storage CategoryBattery Supply & Installation
Supply and installation of lithium-ion, tubular, and sealed lead-acid battery banks.
Load Testing & Commissioning
Comprehensive capacity testing, impedance testing, and commissioning of new battery systems.
Preventive Maintenance Plans
Regular testing, terminal cleaning, voltage balancing, and health monitoring.
UPS Battery Replacement
Scheduled replacement of aging UPS batteries to ensure uninterrupted protection.
Bank-Grade Battery Systems
Specialized high-reliability battery systems compliant with State Bank of Pakistan standards.
Safe Recycling & Disposal
Environmentally compliant disposal and recycling of spent and end-of-life batteries.
Capacity Testing & Health Reports
Detailed discharge tests and remaining-life assessment reports for critical sites.
Electrolyte Management & Equalization
Specific gravity checking, water topping, and equalization charge for flooded banks.
UPS Systems Services
From next-gen lithium online UPS to large-scale modular enterprise power protection, OES supplies, installs, and maintains UPS systems of every capacity. Backed by 2-year warranty on online UPS and 24/7 certified engineering response.
View UPS Systems CategoryNext-Gen Lithium UPS (48V)
48V LiFePO4 online UPS systems (3KVA–10KVA) with 3x faster recharge and 10-year design life.
Double-Conversion Online UPS
Zero-transfer time online double-conversion UPS systems from 1KVA to 200KVA.
Load Balancing & Management
Phase balancing and distribution management to optimize UPS efficiency and lifespan.
24/7 Emergency Callout
Round-the-clock emergency technician dispatch for critical power faults across Pakistan.
Remote System Monitoring & Telemetry
SNMP and IoT card integration for real-time remote monitoring and automatic alert notifications.
Firmware Updates & Tuning
DSP controller firmware flashing, parameter calibration, and harmonic optimization.
Modular Capacity Expansion
Parallel N+1 module additions for expanding data center and hospital loads.
BESS (Battery Energy Storage Systems) Services
OES delivers turnkey Battery Energy Storage Systems (BESS) utilizing lithium-ion and LiFePO4 technologies from 5KWh commercial setups to 50MW utility-scale projects. Complete system engineering includes power conversion systems (PCS), intelligent EMS control, containerized liquid cooling, and seamless grid/solar synchronization.
View BESS (Battery Energy Storage Systems) CategoryBESS Feasibility & Sizing Study
Engineering analysis of peak demand, load profiles, and tariff arbitrage sizing from 5KWh to 50MW.
Containerized Battery Integration
Turnkey prefabricated container systems with integrated HVAC, fire suppression, and PCS.
High-Voltage LiFePO4 Installation
Safe, certified installation of high-voltage battery racks with advanced BMS telemetry.
Peak Shaving & Demand Response
Automated discharge logic to reduce expensive grid peak charges for heavy industries.
Microgrid & Hybrid Dispatch Setup
Seamless coordination between solar, generator, battery, and national grid supplies.
Remote EMS Telemetry & Maintenance
Cloud-based energy management system monitoring cell health, temperature, and efficiency.
Generators Services
OES supplies, commissions, and maintains prime and standby power backup generators ranging from 10KVA to 1250KVA. Engineered for factories, hospitals, data centers, and commercial complexes requiring absolute continuity during grid disruptions.
View Generators CategoryGenerator Sizing & Engineering Design
Load profile evaluation and sizing from 10KVA to 1250KVA prime/standby diesel gensets.
Turnkey Installation & Commissioning
Foundation civil work, exhaust routing, fuel line piping, and complete electrical tie-in.
Automatic Transfer Switch (ATS/AMF)
Zero-lag auto mains failure panels for automated generator start and load transfer.
Soundproof Acoustic Canopy Integration
Weatherproof acoustic enclosures ensuring low dB noise levels for hospitals and offices.
Annual Maintenance Contracts (AMC)
Scheduled oil/filter changes, valve adjustments, radiator servicing, and load bank testing.
24/7 Emergency Fault Diagnosis
Immediate on-site troubleshooting for fuel injector, governor, or alternator breakdowns.
Power Line Conditioners & Stabilizers Services
OES provides industrial-grade servo voltage stabilizers and static power line conditioners up to 6000KVA. Designed to eliminate brownouts, voltage surges, harmonics, and phase imbalances, protecting sensitive manufacturing robotics, medical imaging scanners, and automated banking systems.
View Power Line Conditioners & Stabilizers CategoryVoltage & Harmonic Analysis
Power quality audit measuring sags, spikes, swells, and total harmonic distortion (THD).
Servo Voltage Stabilizer Supply & Setup
Microprocessor-controlled servo motor stabilizers up to 6000KVA with tight ±1% output regulation.
Static Power Line Conditioning
Solid-state SCR voltage conditioners delivering instantaneous millisecond correction.
Substation & Busbar Integration
Safe bus-trunking and breaker connection behind main LT distribution boards.
Fast-Response Surge & Sag Suppression
Class I/II surge protection modules safeguarding expensive robotics and imaging machinery.
Preventive Maintenance & Calibration
Carbon brush inspection, variac surface cleaning, and potentiometer fine-tuning.
Data Center Power Solutions Services
End-to-end power infrastructure engineered specifically for tier-rated data centers, server rooms, and telecommunications hubs. OES delivers modular N+1 online UPS architectures, precision cooling integration, intelligent Power Distribution Units (PDU), and automated DCIM monitoring.
View Data Center Power Solutions CategoryTier Compliance Architecture Design
Engineering electrical distribution for Tier I to Tier IV high-availability server rooms.
Modular N+1 / 2N UPS Deployment
Hot-swappable power module arrays ensuring continuous operation during maintenance.
Smart PDU & Rack Busway Systems
Intelligent per-outlet metered power distribution with remote reboot capabilities.
Precision Cooling & Thermal Management
In-row and perimeter CRAC unit integration with hot/cold aisle containment.
DCIM Environmental Telemetry
Data Center Infrastructure Management software tracking temperature, humidity, and airflow.
Annual 24/7 Mission-Critical SLA
Guaranteed 2-hour field response and dedicated spare parts buffer for zero downtime.
Counting Machines Services
OES provides top-tier banknote and coin counting machines, coin sorters, and note bundling machines trusted by banks, retailers, and financial institutions. Our certified technicians handle setup, counterfeit detection calibration, and ongoing service contracts.
View Counting Machines CategoryBanknote Counter Supply & Setup
High-speed desktop currency counters with UV, MG, IR, and image counterfeit detection.
High-Speed Coin Counting & Sorting
Automated coin processing machines with denomination separation and bagging chutes.
Note Binding & Strapping Systems
Heavy-duty 100-note bundling and cross-strapping machines for commercial cash centres.
Counterfeit Detection Tuning
Sensory calibration to identify new counterfeit series and polymer note variations.
ATM Thermal Paper Roll Supply
BPA-free high-grade thermal receipt rolls for all major ATM brands with crisp, long-lasting print.
On-site Repair & Maintenance Contracts
Fast on-site technician response across Pakistan with genuine factory spare parts.
Sorting Machines Services
High-speed, high-accuracy currency sorting machines engineered for commercial banks, cash processing centres, and financial institutions. OES provides certified banknote sorters with advanced counterfeit rejection, denomination sorting, fitness sorting, and complete maintenance support.
View Sorting Machines CategoryMulti-Pocket Sorter Procurement
2-pocket, 4-pocket, and 8-pocket banknote sorting machines for commercial cash centres.
Installation & Commissioning
Complete software setup, network integration, and serial number capture configuration.
Software Configuration & Updates
Periodic firmware upgrades for new currency note issues and SBP fitness standards.
Fitness Sorting Calibration
Precision sensitivity tuning for ATM-fit, teller-fit, and unfit/soiled note classification.
Operator Training Programs
Hands-on operational training for bank tellers and cash vault processing staff.
Spare Parts & Sensor Alignment
CIS sensor cleaning, feeder belt replacement, and reject pocket mechanism repairs.
ATM & Banking Thermal Paper Roll Supply
A dependable, bulk consumable supply service customized for commercial banks, microfinance branches, and retail payment networks across Pakistan. We deliver premium BPA-free thermal paper rolls guaranteeing jam-free printing and long image legibility.
Request Bulk Paper QuoteATM Transaction Slip Rolls
Standard 80mm high-sensitivity thermal paper rolls engineered for NCR, Diebold, Wincor, and GRG ATMs with black mark sensing.
Branch Queue & Token Paper
Continuous thermal token rolls for electronic queue management systems across bank branch lobbies.
POS & General Receipt Rolls
57mm & 80mm lint-free receipt rolls for point-of-sale terminals, credit card machines, and cash registers.
Custom Watermark & Security Printing
Backside 1-to-4 color security printing for bank branding, promotional messages, and legal disclosure disclaimers.
Guaranteed Image Legibility
Certified top-coated thermal paper providing up to 5–7 years legibility under proper storage conditions.
Scheduled Pan-Pakistan Delivery
Centralized inventory management with scheduled dispatches to bank branches nationwide.
Earth Volt Control (EVC) Device
An advanced electronic voltage protection device engineered to safeguard automated teller machines (ATMs) and precision electronic equipment from neutral-earth voltage drift, catastrophic surges, and ground line interference.
Why Earth Volt Control (EVC)?
Fluctuating earth voltage is the leading unaddressed cause of unexplained ATM freezes, card reader burnout, motherboard failures, and transaction rollbacks in Pakistan's power grid.
Annual Maintenance Contracts
An OES AMC is the smartest investment after your initial purchase. Our AMC clients enjoy scheduled preventive maintenance, priority emergency response, discounted spare parts, and comprehensive service reporting — all for a fixed annual fee.
- Scheduled Preventive Visits
- Priority Technical Support
- Discounted Genuine Parts
- Comprehensive Service Reports
- Performance Guarantees
- Dedicated Account Manager
Need Expert Assistance?
Get in touch with our certified engineering team to discuss your service requirements.