Mission-Critical Power Engineering · Sri Lanka

Industrial UPS Resilience & High-Yield Solar Power Systems.

Turnkey power protection and renewable energy systems engineered for zero downtime. Supervised directly by Eng. H.K.S. Dahampriya, delivering utility-grade Online Double-Conversion UPS, commercial rooftop solar PV, and 24/7 emergency repair dispatch.

Engineering Guarantee & SLA
Zero-Millisecond Online UPS Transfer
Tier-1 Bifacial Solar Panels (25-Yr Yield)
CEB & LECO Grid Interconnection Approvals
IEEE 519 Low Harmonic Distortion Compliance
Explore Turnkey Solutions Calculate Solar ROI Engineering Tools
Emergency Dispatch SLA: Within 2-4 Hours (Western Province)
Industrial UPS and Solar Power Engineering Installation
Base: Kelaniya HQ
99.98% System Availability
Double-conversion continuous protection
Consult Eng.
Engineering Capabilities & Solutions

Mission-Critical UPS Power & High-Yield Solar Engineering

From seamless data-center power backups to islandwide rooftop solar plants and lifecycle maintenance agreements (AMC), SNT Projects delivers turnkey electrical excellence supervised directly by Eng. H.K.S. Dahampriya.

Industrial Online UPS Systems
01 // High Availability

Industrial Online UPS Systems

Double-Conversion Power Protection

Three-phase and single-phase Online Double-Conversion UPS (1 kVA to 500 kVA) with zero millisecond transfer time, IGBT active rectifiers, and N+1 modular redundancy for hospitals, financial institutions, and manufacturing plants.

Key Engineering Deliverables:
0ms Utility-to-Inverter Transfer Time (VFI-SS-111)
THDi < 3% with Active Power Factor Correction (0.99)
Scalable N+1 Modular Hot-Swappable Power Modules
SNMP / Modbus RTU Centralized DCIM Telemetry
Supervised: Eng. Dahampriya
Commercial & Domestic Solar PV
02 // Renewable Yield

Commercial & Domestic Solar PV

CEB / LECO Grid-Tied & Hybrid Systems

Custom engineered rooftop solar arrays utilizing Tier-1 N-Type TOPCon bifacial panels and smart hybrid inverters. Complete CEB / LECO Net-Metering, Net-Accounting, and Net-Plus clearance documentation.

Key Engineering Deliverables:
Tier-1 Bifacial PV Modules with 25-Year Linear Yield Warranty
CEB & LECO Single / 3-Phase Net Metering Clearances
Anodized Aluminium Cyclone-Rated Wind Load Mounting (140 km/h)
Type II DC & AC Surge Protection Devices (SPD)
Supervised: Eng. Dahampriya
Preventative Maintenance Contracts AMC
03 // Lifecycle Support

Maintenance Contracts (AMC)

24/7 Breakdown Dispatch & Audits

Comprehensive Annual Maintenance Contracts (AMC) with strict SLA response times. Utilizing FLIR calibrated thermal imaging, battery conductance analysis, solar string I-V curve tracing, and capacitor health audits.

Key Engineering Deliverables:
Guaranteed Rapid On-Site Arrival SLA (Within 2-4 Hours)
Calibrated FLIR Infrared Thermography DB Inspection
Individual Battery Cell Conductance & Internal Resistance Logs
Standby Replacement UPS Inverter Units in Emergencies
Supervised: Eng. Dahampriya
Battery Bank Replacements & Hybrid Storage
04 // Energy Storage

Battery Bank Replacement & Hybrid Storage

VRLA & High-Cycle LiFePO4

Replacement and impedance matching for degraded UPS battery banks and solar storage banks. Deploying flame-retardant AGM VRLA and 6,000+ cycle Lithium Iron Phosphate (LiFePO4) systems with active smart BMS monitoring.

Key Engineering Deliverables:
12V High-Discharge Deep-Cycle AGM VRLA (26Ah - 200Ah)
48V / 51.2V LiFePO4 Wall & Rack Batteries (6000 Cycles @ 80% DoD)
DC Breaker & Inter-Tier Busbar Torque Calibration
Safe Eco-Friendly Battery Disposal & Buyback Credit
Supervised: Eng. Dahampriya

Need a Custom Electrical or Solar Load Sizing?

Eng. H.K.S. Dahampriya and our team will perform an on-site power audit and harmonic analysis at your facility.

Book Free Site Audit
Sri Lanka Solar Return On Investment (ROI)

Solar Power System Sizing & Savings Calculator

Estimate your optimal rooftop solar system size, monthly electricity bill reduction, and return on investment based on current Sri Lanka CEB / LECO tariffs calibrated by Eng. H.K.S. Dahampriya.

Your Current Electricity Profile

Rs. 45,000
Rs. 10,000 Rs. 400,000 Rs. 800,000+
Included in SNT Turnkey Package:
Tier-1 Bifacial Solar Panels (25-Yr Warranty)
CEB / LECO Net-Metering Liaison & Approvals
Surge Protection & Lightning Arrestor Integration
Recommended Solar System Capacity
8.1 kWp
Est. Monthly Generation
~1,069 kWh/mo
Monthly Bill Savings
Rs. 44,900
Up to ~95% bill offset
Estimated Investment
Rs. 20.3 L
Turnkey with CEB metering
Est. Payback Period
3.8 Years
Pure profit for next 20+ yrs
Offsets 10.3 Tons of CO₂ per year (~155 trees planted)
25-Year Savings: ~Rs. 11.9 Million

Ready for an On-Site Engineering Assessment?

Eng. H.K.S. Dahampriya will inspect your rooftop azimuth, tilt, shading, and electrical DB panel in Kelaniya or Western Province.

SNT Power & Energy Engineering Tools

Engineering Diagnostic & Sizing Tools

Instant engineering algorithms for UPS battery autonomy, CEB rooftop solar panel layouts, harmonic quality checks, and inverter fault codes calibrated by Eng. H.K.S. Dahampriya.

Calibrated: IEEE 519 & CEB Standard

Inverter & UPS Diagnostic Code Decoder

Search over 50+ CEB, Huawei, Growatt, Deye, APC, and Eaton error alarms with engineer-certified root causes and resolution protocols.

UPS Battery Autonomy & Runtime Simulator

Calculate realistic battery backup minutes considering DC bus string voltage, inverter conversion efficiency, and Peukert discharge characteristics.

Server room / Medical equipment 5 kW
Standard 12V block rating 100 Ah
Estimated Battery Autonomy
162 Minutes
(~2.7 Hours continuous backup)
Battery String Energy: 19.2 kWh
Full Load DC Discharge Current: 28.9 A
Discharge C-Rate: 0.29 C (Safe Range)
Book Battery String Health Audit

Solar Rooftop Area & Panel Layout Calculator

Simulate roof area occupancy, maximum panel packing, and daily generation in Sri Lanka (Kelaniya & Western Province irradiance profile).

Maximum Panel Capacity
24 Panels
Array Size: 14.4 kWp
Gross Roof Area: 96 m² (1,033 sqft)
Usable Solar Installation Area: 67.2 m²
Est. Daily Generation (Kelaniya): ~63.4 kWh / day
Request Drone Rooftop Shading Survey

CEB Grid Quality & Harmonics Monitor Simulator

Simulate grid voltage fluctuations, frequency variations (49.5Hz - 50.5Hz), and Total Harmonic Distortion (THD) complying with IEEE 519 standards.

Phase-to-Neutral Voltage: 230.4 V
Grid Frequency: 50.02 Hz
Voltage THD (Total Harmonic): 2.4%
Power Factor (cos φ): 0.98
Engineering Assessment
IEEE 519 Compliant · Safe for UPS & Solar

Voltage is well within CEB permissible range (230V ± 6%). Harmonic distortion is below the 5% threshold, preventing overheating in transformers and capacitor banks.

Recommended Action: Standard Surge Protection Type II
UPS Rectifier Mode: Online Normal (Utility Fed)
Book Certified Power Quality Audit
Certified Electrical Technician
Quality Assurance Protocol

Strict electrical torque verification, IEEE 519 harmonic standards, and CEB grid protection compliance.

Lead: Eng. H.K.S. Dahampriya Kelaniya, Sri Lanka
12+
Years Field Experience
Engineering Leadership & Reliability

Pioneering Uncompromised Power Protection Across Sri Lanka

Established with an uncompromising commitment to electrical reliability, SNT Projects (Pvt) Ltd is Sri Lanka’s premier engineering partner for industrial power protection, online double-conversion UPS architectures, and high-efficiency commercial solar PV power plants.

Supervised directly by Eng. H.K.S. Dahampriya (AMIE(SL), B.Sc. Eng (Hons) Electrical & Information Engineering), our team combines rigorous engineering design with certified field execution, ensuring seamless grid synchronization, battery longevity, and rapid emergency intervention.

Chartered & Graduate Electrical Engineering

All calculations and system commissions are supervised directly by Eng. H.K.S. Dahampriya.

CEB & LECO Net Metering Approvals

Complete liaison and safety clearances for single-phase & three-phase net metering and net accounting connections.

Precision Calibration Instruments

We utilize calibrated battery conductance testers, FLIR thermal imaging cameras, and solar irradiance analyzers.

Guaranteed Emergency Response

Contracted AMC clients benefit from rapid on-site arrival SLA (Within 2-4 Hours) for critical industrial emergencies.

Headquarters: 458/A, Kandy Road, Kelaniya, Sri Lanka
Direct Contact: +94 77 777 7899
Engineering Headquarters

SNT Projects (Pvt) Ltd

Supervising Lead: Eng. H.K.S. Dahampriya (B.Sc. Eng (Hons), AMIE-SL, Certified Solar PV Specialist)

Contact our engineering headquarters in Kelaniya for turnkey UPS solutions, rooftop solar assessments, emergency repair dispatch, or AMC inquiries across Sri Lanka.

Central Operations Base
458/A, Kandy Road, Kelaniya, Sri Lanka
Western Province · Ready Dispatch Unit
Official Telephone Hotline
+94 77 777 7899
Direct connection to engineering desk
Official Correspondence
info@sntprojects.lk
RFQs, tenders & corporate proposals
Service Hours & Emergency SLA
Monday – Saturday: 8:00 AM – 6:00 PM (24/7 Breakdown Dispatch)
24/7 Breakdown Dispatch SLA: < 2 Hours in Western Province / < 4 Hours Islandwide
WhatsApp Consultation

Request an Engineering Consultation or Quotation

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Response within 2 hours during business hours
Chat: +94 77 777 7899