XT-YTH-3 Series Solar Luminaire for Bulgarian Municipalities
- 190 lm/W High-Lumen Bridgelux LED
- Monocrystalline 22.8% PV Efficiency
- Smart Motion Sensor & Auto-Dimming
Optimized for Bulgarian Road Lighting Classes (EN 13201 M3–M6 and P1–P4), featuring intelligent MPPT charging, deep-cycle LiFePO4 cells, and corrosion-resistant hot-dip galvanization.
Driven by the European Green Deal, Bulgaria’s National Recovery and Resilience Plan (NRRP), and escalating electricity tariffs, Bulgarian municipalities and private logistics parks are aggressively adopting autonomous off-grid solar infrastructure.
Municipal budgets in Sofia, Plovdiv, Varna, and Burgas face significant volatility from the IBEX (Independent Bulgarian Energy Exchange). Public lighting historically accounts for up to 35% of a municipal council’s electricity expenditure. Autonomous off-grid solar street lights permanently eliminate utility exposure and transformer grid-connection expenses.
Bulgaria experiences distinct microclimates. The Balkan Mountains and Rhodope ranges face heavy snowfall and winter temperatures plummeting to -25°C. Standard solar street lights fail due to battery chemistry freezing. Xintong equips Bulgarian installations with thermal-insulated LiFePO4 cells, active BMS heating systems, and high-tilt PV frames for natural snow sliding.
Along the coastal strip of Varna, Burgas, and Nesebar, airborne sea-salt spray creates severe atmospheric corrosion. Xintong steel lighting columns undergo full hot-dip galvanizing per EN ISO 1461 (minimum 86µm zinc thickness) combined with electrostatic architectural powder coating, easily withstanding ISO 12944 C4 and C5 coastal corrosion environments.
Navigating public procurement in Bulgaria under the Public Procurement Act (ZOP) requires strict compliance with European Committee for Standardization (CEN) protocols. We provide turnkey technical dossiers.
Bulgarian highway and urban road lighting designs must adhere to BDS EN 13201-2. Our technical team conducts tailored DIALux photometric calculations for your project’s exact road profile (road width, lane count, pole pitch, mounting height, and luminaire overhang). We ensure strict compliance with Luminance ($L_{av}$), Overall Uniformity ($U_0$), Longitudinal Uniformity ($U_l$), and Threshold Increment ($f_{TI}$) glare limits for M3, M4, and M5 classes.
Lighting columns installed across Bulgaria must fulfill the mechanical resistance requirements of EN 40-3-1 and EN 40-3-3 under Eurocode 1 (EN 1991-1-4) wind load regulations. Every pole fabricated in our factory is verified with finite element analysis (FEA) factoring in the combined surface wind drag of the solar panel, bracket arm, and LED housing under maximum wind gust speeds of up to 34 m/s (122 km/h).
Our solar street luminaires and drivers comply fully with the Low Voltage Directive (LVD 2014/35/EU), Electromagnetic Compatibility Directive (EMC 2014/30/EU), and Radio Equipment Directive (RED 2014/53/EU) for wireless IoT controllers. Component materials are certified RoHS compliant (2011/65/EU), ensuring smooth customs clearance at Port Varna or Burgas and seamless EU audit sign-offs.
Municipal engineering audits require unimpeachable documentation. We supply EN 10204 3.1 chemical analysis and tensile yield mill test certificates for Q235B/Q355B structural steel, zinc bath galvanization thickness logs, ultrasonic weld non-destructive testing (NDT) reports, and IES photometric simulation files with every shipped container.
By integrating pole fabrication, photovoltaic module engineering, battery pack assembly, and hot-dip galvanizing within our own facility, we deliver tier-1 quality at uncompromised factory-direct economics.
Founded in 1999 in Gaoyou, Jiangsu, our facility houses 7 advanced production lines spanning CNC plasma cutting, 1600-ton hydraulic bending, robotic welding, and automated surface finishing.
We partner directly with leading lithium cell manufacturers (BYD, CATL, EVE) for EV-grade LiFePO4 cells and employ A-grade N-type monocrystalline solar silicon cells with conversion efficiencies exceeding 22.8%.
By cutting out European trading middlemen and managing raw sheet steel procurement, tube bending, and optical testing in-house, EPC contractors capture critical margin superiority on public tenders.
With a production capacity of over 1,500 hot-dip galvanized poles and 3,000 solar luminaires daily, Xintong easily guarantees batch container deliveries for large-scale national road infrastructure programs.
Procurement teams and consulting engineers representing Bulgarian and international concessions evaluate suppliers on total lifecycle reliability, factory audit verifiability, and post-delivery support.
Tier-1 international contractors do not rely on static brochures. Xintong provides on-demand live video audits of our Gaoyou manufacturing campus, covering raw sheet coil inspection, automated longitudinal submerged-arc welding, zinc tank bath temperatures, and individual luminaire IP66 waterproof testing.
Grid-connected street lights incur heavy trenching costs (€45–€70 per linear meter in Bulgaria), transformer substation fees, and ongoing administrative electrical billing. Off-grid solar street lights eliminate civil excavation, achieve 100% operational autonomy, and deliver full return on investment (ROI) within 2.8 to 3.5 years.
Poles and bulky solar structures demand sophisticated container packing plans. We utilize nested nesting methods, protective foam sleeve wrapping, and heavy-duty steel crate framing to maximize container utilization for shipments directly to the Port of Varna or Port of Burgas, cutting CIF/DAP shipping costs significantly.
From LoRaWAN smart city telemetry to bifacial photovoltaic power generation, modern street lighting infrastructure is evolving into an intelligent, connected municipal energy asset.
Bulgaria’s major urban centers—Sofia, Plovdiv, and Ruse—are expanding their Smart City digital platforms. Xintong solar lights feature optional integrated LoRaWAN, NB-IoT, or Zigbee single-lamp controllers. Municipal engineers can remotely monitor battery state-of-charge (SoC), adjust brightness profiles dynamically across midnight hours, track operational anomalies, and predict maintenance schedules from a centralized web browser dashboard.
Snow coverage in northern Bulgaria and high-elevation mountain routes provides high albedo ground reflectance (up to 80%). Our latest solar split configurations adopt dual-glass bifacial TOPCon monocrystalline modules. The rear panel surface absorbs indirect ground reflectance, boosting power generation by 15% to 25% during critical winter periods when conventional single-sided panels struggle.
Standard PWM controllers waste up to 25% of solar power. Xintong equips all export luminaires with advanced digital Maximum Power Point Tracking (MPPT) charge controllers maintaining 99% tracking accuracy. Even during diffuse sunlight, thick autumn fog over the Danubian Plain, or overcast conditions, the system extracts the absolute maximum wattage to guarantee continuous night lighting.
For critical Bulgarian motorways (such as the Trakia A1 and Hemus A2 corridors) where lighting failure cannot be tolerated, we offer smart hybrid configurations. The luminaire operates 100% off-grid utilizing solar energy until prolonged bad weather drops the battery below 15% SoC, at which point the micro-controller automatically switches to grid AC power until the solar array recharges the reserves.
Tailored engineering specifications designed to address the specific climatic, geographical, and mechanical demands of Bulgarian municipal, commercial, and transport environments.
High-density logistics distribution hubs, including the Trakia Economic Zone (TEZ), require reliable 24/7 exterior lighting for perimeter security, container staging, and arterial access roads. Integrated All-in-One and robust Split-Type systems eliminate costly grid infrastructure work on vast private industrial estates.
Black Sea port terminals, ship repair yards, and coastal resort promenades face continuous salt fog exposure. High mast floodlights and heavy-duty octagonal poles treated with C5-marine galvanization and stainless-steel hardware guarantee long-term corrosion resistance without surface rust degradation.
Mountain road passes (Shipka, Petrohan, Troyan) and ski resort hubs (Bansko, Borovets, Pamporovo) suffer from extreme winter cold, high snowbanks, and isolated grid power lines. Split solar lights with buried gel/heated LiFePO4 batteries deliver unyielding safety lighting on treacherous curves.
Select the optimal photovoltaic lighting configuration based on road width, winter sun hours, and regional microclimatic conditions.
| System Architecture | Ideal Bulgarian Applications | Autonomy (Cloudy Days) | Sub-Zero Performance | Installation Speed | EN 13201 Suitability |
|---|---|---|---|---|---|
| XT-YTH Integrated (All-In-One) | Residential roads, industrial parks, rural municipalities, bike lanes | 3 – 5 Days | Down to -10°C (Standard BMS) | Fastest (10 mins/pole) | Class P2 – P6, M5 |
| XT-DT Split-Type System | National highways, mountain passes, high-speed arterials, intersections | 5 – 8 Days | Down to -25°C (Heated LiFePO4) | Moderate (Panel & arm assembly) | Class M1 – M4, C1 – C3 |
| Smart Hybrid (Solar + Grid) | Major urban ring roads, toll plazas, critical freight corridors | Unlimited (Auto grid switch) | Down to -30°C (Dual power feed) | Requires cable connection | Class M1 – M2 |
| High Mast Solar / AC Towers | Port terminals, large roundabouts, stadiums, logistics container yards | Custom engineered | Extreme weather engineered | Specialized foundation crane erection | Area Lighting / High Flux |
Direct engineering answers addressing tender qualification, delivery logistics, winter performance, and warranty guarantees.
Standard lithium-ion cells fail to charge below 0°C. For Bulgarian projects, Xintong configures systems with either cold-rated LiFePO4 cells with built-in thermal heating films activated by the BMS or subterranean battery boxes installed below the local frost line (typically 0.8m–1.0m in Bulgaria). This guarantees reliable charging down to -25°C.
Yes. Our in-house lighting design department provides complimentary, fully documented DIALux evo simulation reports tailored to BDS EN 13201 standards. Simply send us your road cross-section profile, target lighting class (e.g., M3, M4, or P2), and column pitch requirements to receive an official submittal package.
We provide a 5-year comprehensive manufacturer warranty on complete solar street lighting systems (PV module, LED luminaire, and LiFePO4 battery pack) and up to a 20-year structural warranty on hot-dip galvanized steel poles. In the rare event of a component failure, replacement modules are dispatched promptly by air or sea.
Finished shipments depart Shanghai or Ningbo Port directly to the Port of Varna or Port of Burgas via Mediterranean container feeder services, with typical sea transit times between 28 and 35 days. For urgently required project samples or electrical accessories, air freight to Sofia Airport (SOF) takes 5 to 7 business days.
Yes. Every lighting column is engineered according to EN 40-3-1 / EN 40-3-3. Our structural calculation sheets verify column wall thickness, base plate gusset dimensions, and anchor bolt tensile requirements to safely withstand Bulgarian reference wind speeds ($q_b$) up to 34 m/s under Eurocode 1 (EN 1991-1-4).
Absolutely. Following hot-dip galvanization to EN ISO 1461, poles can be electrostatically powder coated in any requested European RAL color (such as Anthracite Grey RAL 7016, Jet Black RAL 9005, or Forest Green RAL 6005) with UV-stabilized architectural polyester powder.
Complete structural and lighting product series manufactured under ISO 9001 and ISO 14001 standards, ready for immediate project specification.
Submit your tender specifications, BOQ lists, or CAD site layouts. Our certified lighting engineers deliver comprehensive DIALux photometric simulations, structural calculation sheets, and CIF Varna/Burgas quotation dossiers within 24 hours.
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