——CEA Certified · Made in India ·
Bird Flight
Diverter
Manufacturer
India
CEA-compliant power line markers that protect birds from fatal wire-strike collisions. Three proven models — passive, LED-active and Aero Spin — for every transmission, distribution and wildlife-zone application across India.
3+
CEA-Certified Model
360°
All-angle Rotation
10+ yrs
Field Service Life
Product Range
CEA-certified bird diverters for Indian power networks
Non led Bird Diverter
PLM/NLD-V1
Passive
Led Blinking Marker
PLM/LD-V1
Active.Solar
Aero Spin Diverter
PLM/NLD-V1
Wind-Active
// Product Range
Three CEA-Certified
Diverter Solutions
Every model is designed and tested to the Central Electricity Authority’s technical specification for bird flight diverters — covering the full range of Indian deployment environments from rural LT lines to 400kV transmission corridors.
01
Non-LED
Bird Diverter
PLM / NLD-V1
Fully passive, maintenance-free bird flight diverter. Glow-in-dark photoluminescent flapper with 12,000 mm² glow area per face, multicolour retroreflective stickers and 360° wind-driven rotation. No battery. No power. No servicing — ever. The lowest total cost of ownership in the range. Ideal for bulk rural, agricultural and wildlife-zone deployments.
>Zero maintenance — fully passive
>12,000 mm² glow area per face
>Less than 350g · fits 5mm–38mm
>10+ year field service life
View Full Specifications →
02
LED Blinking
Bird Diverter
PLM / LD-V1
Solar-powered active bird diverter with 6 high-intensity blinking LEDs per face. Auto-activates at dusk via ambient light sensor, deactivates at dawn. 100+ hour battery runtime on full charge. Vertical solar panels resist dust accumulation. Provides 1km+ visibility in clear night conditions — for nocturnal migration routes, fog-prone areas and high-risk EHV spans.
>6 blinking LEDs per face — 1km+ range
>100+ hour battery on full charge
>Auto day/night sensor switching
Sealed >weatherproof electronics
View Full Specifications →
03
Aero Spin
Bird Diverter
PLM / AER-V1
Wind-activated aerodynamic propeller diverter engineered for high-wind corridors, desert transmission routes, coastal lines and open ridgeline spans. Multi-blade design activates from light breeze (~2 m/s), sweeping a larger visual area than disc-type diverters. Self-regulating in storm conditions. Sealed stainless steel bearing — zero maintenance. Purpose-built for GIB habitat corridors in Rajasthan and Gujarat.
>Activates from ~2 m/s wind speed
>Larger visual footprint than disc-type
>Self-regulating in high wind / storm
>Ideal for desert & coastal spans
View Full Specifications →
⚡
Why India’s
Power Lines Kill Birds
Overhead conductors are functionally invisible to birds in flight. Thin cables — especially ground wires and phase conductors — register as part of the sky background at approach speed. Large-bodied birds including the Great Indian Bustard, Sarus Crane, Lesser Florican and various raptor species require the longest distances to manoeuvre and suffer the highest mortality rates. India’s rapidly expanding transmission and distribution network crosses tens of millions of hectares of ecologically sensitive habitat where these species live and breed.
70%+
of wire-strike victims are large or endangered bird species
📋
CEA Regulation Makes
Diverters Mandatory
India’s Central Electricity Authority has issued binding technical specifications for bird flight diverters on power lines in ecologically sensitive zones. The Supreme Court has separately ordered mandatory diverter installation in Great Indian Bustard habitat areas across Rajasthan and Gujarat. Environmental clearances for new transmission and solar evacuation projects now routinely require bird diverter specifications compliant with CEA standards — making CEA-certified products non-negotiable for project compliance.
CEA
mandatory specification — ecologically sensitive power line zones
📜
CEA Technical Specification
All our products are designed, manufactured and tested to the Central Electricity Authority’s published technical specification for bird flight diverters — the governing standard for Indian utilities.
⚖️
Supreme Court GIB Order
The Supreme Court of India has ordered mandatory bird diverter installation on power lines within Great Indian Bustard priority habitats — a direct procurement requirement for utilities in Rajasthan, Gujarat and MP.
🌿
Environmental Clearance Compliance
New transmission lines, solar park evacuation lines and distribution expansion projects in eco-sensitive areas require bird diverter plans as part of environmental impact assessment and clearance conditions.
//Engineering
Designed for India’s
Harshest Conditions
Every product in the range shares a common engineering foundation — UV-stabilised materials, universal mechanical compatibility and CEA-specification dimensions — built for field performance across India’s full climate range.
FEATURE 01
🔄
360° Seamless Rotation
A frictionless 360° swivel allows the flapper to rotate continuously in any wind direction. Combined with a pendulum swing mechanism, the device creates constant kinetic motion — a moving object is detected far earlier by bird visual systems than any stationary marker of equivalent size. The pendulum limits swing amplitude in high winds to prevent erratic movement.
Pendulum stabilised · wind-activated · no power required
FEATURE 02
🌙
Glow-in-Dark Flapper
Photoluminescent polymer flappers absorb UV and visible light during the day and emit a sustained green glow for several hours after sunset — providing passive night visibility with zero power draw. The 180mm disc diameter maximises glow area: over 12,000 mm² per face on the Non-LED model. Retroreflective panels add daytime and headlamp-activated visibility as a second passive layer.
12,000 mm² glow area · passive · no battery required
FEATURE 03
🌡️
Weather-Resistant Construction
UV-stabilised polymer housing and stainless steel hardware are rated for continuous outdoor exposure across India’s full climate range — Rajasthan summer peaks above 50°C, Himalayan winter lows below −10°C, coastal salt spray, monsoon humidity and high-UV desert UV radiation. The operating temperature range of −20°C to 100°C covers every standard Indian deployment scenario without seasonal variants.
−20°C to 100°C · UV-stable · corrosion-resistant hardware
FEATURE 04
🔧
Universal Clamp System
One product SKU fits all Indian conductor types — ACSR, AAC and AAAC — across the full diameter range of 5mm to 38mm. This covers every standard line type from rural LT distribution conductors to 220kV and 400kV EHV transmission lines. No adapter rings, no sizing variants, no SKU proliferation for procurement. Hot-stick installation capability eliminates the need for power shutdowns.
5mm–38mm · hot-stick installation · no shutdown needed
FEATURE 05
⚖️
Lightweight — Under 500g
The Non-LED model weighs under 350g and the LED model under 500g. At CEA-recommended 10m installation spacing, one kilometre of line carries approximately 100 units — 35–50kg total additional load. Both models are within standard conductor tension tolerances at any normal installation density. Lightweight design also reduces installation effort and rigging time per unit.
<350g (Non-LED) · <500g (LED) · within CEA weight limits
FEATURE 06
🔋
Zero to Minimal Maintenance
The Non-LED model requires zero maintenance after installation — no battery, no panel, no circuit. The LED model requires only periodic solar panel function verification, which can be done visually without specialist access. The sealed electronics housing and vertical solar panel orientation minimise dust accumulation and water ingress risk. Designed for 10+ year service life without scheduled maintenance visits.
Non-LED: zero maintenance · LED: minimal visual check only
60%+
Collision reduction at correct spacing
10m
CEA recommended installation spacing
Field studies and international research consistently demonstrate that correctly installed bird flight diverters reduce wire-strike collision rates by 60% or greater at recommended 10m spacing intervals. The combination of retroreflective contrast, glow visibility and wind-driven motion provides multi-cue detection that works across the full range of Indian bird species and approach conditions.
Use Cases
Where Bird
Diverters
Are Required
Indian regulatory requirements, environmental clearance conditions and conservation obligations create specific bird diverter deployment mandates across a wide range of infrastructure types.
⚡
Transmission Lines (HV & EHV)
66kV, 132kV, 220kV and 400kV transmission corridors crossing wildlife zones, forest areas and Important Bird Areas. CEA specification mandatory. Mixed Non-LED and LED specification recommended based on nocturnal risk assessment per span.
Specification: PLM/NLD-V1 (standard spans) · PLM/LD-V1 (night-risk crossing spans)
☀️
Solar Park Evacuation Lines
Solar evacuation transmission infrastructure in Rajasthan, Gujarat and MP often crosses GIB priority habitat and open desert terrain with high raptor density. Supreme Court orders make bird diverters mandatory on these lines. Aero Spin is well suited to open desert wind corridors.
Specification: PLM/AER-V1 (desert wind corridor) · PLM/LD-V1 (habitat priority zones)
🦚
Wildlife Sanctuaries & National Parks
Lines crossing or bordering protected areas, tiger reserves, bird sanctuaries and Ramsar wetland sites face the strictest compliance requirements. Zero-maintenance passive diverters are preferred inside sanctuary boundaries where maintenance vehicle access is restricted or prohibited.
Specification: PLM/NLD-V1 preferred — no battery, no chemicals, maintenance-free
💧
Wetlands & River Crossings
Lines spanning rivers, reservoirs, irrigation canals and Ramsar-listed wetlands carry the highest per-span bird collision risk. Waterbirds cross repeatedly during daily feeding cycles. Tighter 5m spacing is recommended for crossing spans. LED diverters are specified where nocturnal waterbird activity is documented.
Specification: 5m spacing · PLM/LD-V1 where night heron/waterfowl activity exists
🌾
Rural Distribution & Agricultural Lines
LT and 11kV agricultural feeder lines serve paddy, sugarcane and wheat farmland — critical foraging habitat for herons, egrets, storks, cranes and raptors. The Non-LED model’s zero-maintenance, hot-stick installation profile is economically matched to large-scale DISCOM agricultural feeder upgrade programmes.
Specification: PLM/NLD-V1 — lowest unit cost, zero maintenance, bulk supply
🌊
Coastal & Wind-Energy Lines
Coastal power infrastructure in estuarine and shoreline environments hosts flamingos, pelicans, spoonbills and large shorebird concentrations. High wind availability and consistent sea-breeze exposure make the Aero Spin the optimal kinetic diverter for coastal spans, with corrosion-resistant materials rated for salt-air environments.
Specification: PLM/AER-V1 (coastal wind) · PLM/LD-V1 (night and fog conditions)
//////Why Choose Us
India’s Dedicated Bird Diverter
Manufacturer
We are a specialist wildlife-technology company — not a general hardware supplier. Every product, process and technical document is focused exclusively on bird collision mitigation for Indian power infrastructure.
📜
CEA Certified Products
All three models are designed and tested to Central Electricity Authority technical specifications. Test certificates and compliance documentation provided with every bulk order — ready for DISCOM tender and EC submissions.
🏭
Made in India
Manufactured in New Delhi. Supports Make in India and Atmanirbhar Bharat procurement objectives. Indian GST invoicing and government-format documentation provided as standard for all institutional orders.
🔬
Field Proven Design
Our diverters have been deployed on power lines across India’s diverse climate zones — from Himalayan high-altitude lines to Rajasthan desert transmission corridors and coastal distribution networks in West Bengal and Odisha.
⚡
Government Supply Ready
Full tender documentation, product test certificates, compliance statements and specification sheets available for state DISCOM tenders, PGCIL project requirements, Forest Department orders and central government procurement.
We Supply To
State DISCOMs
Transmission Utilities
EPC Contractors
Forest Departments
Renewable Developers
Conservation Bodies
>>>FAQ
Common
Questions
Frequently asked by utility procurement officers, EPC contractors, project managers and environmental consultants. Need a specific technical answer?
A bird flight diverter is a device attached to overhead power line conductors to make them more visible to flying birds, preventing fatal wire-strike collisions. They work through a combination of mechanisms: high-contrast retroreflective stickers that reflect available light back toward the bird’s line of sight; photoluminescent glow-in-dark material that provides passive night visibility; physical size (the 180mm disc creates a much larger visual target than the conductor alone); and wind-driven motion — spinning and swinging movement that triggers the same early-detection avoidance response in birds as a living object moving on the wire. Bird flight diverters do not repel or harm birds — they simply make wires detectable at sufficient distance for birds to change flight path naturally
Yes, in ecologically sensitive areas. India’s Central Electricity Authority (CEA) has issued technical specifications making bird flight diverters mandatory on power lines crossing or adjacent to wildlife sanctuaries, national parks, tiger reserves, Important Bird Areas (IBAs) and wetlands. The Supreme Court of India has separately issued specific orders mandating bird diverter installation on all power lines within Great Indian Bustard priority habitat zones in Rajasthan, Gujarat and Madhya Pradesh. Environmental clearance conditions for new transmission projects in sensitive areas routinely include bird diverter requirements as a binding condition.
All three products are CEA-certified and share the same basic platform — universal clamp, 180mm circular flapper with retroreflective stickers and glow-in-dark material. The Non-LED (PLM/NLD-V1) is fully passive with no power requirement — lowest cost, zero maintenance, 10+ year life. The LED (PLM/LD-V1) adds solar-powered 6-LED blinking for active night and fog visibility — specified where birds are active at night or in low-visibility conditions. The Aero Spin (PLM/AER-V1) uses a multi-blade aerodynamic propeller instead of a disc — providing a larger visual footprint and better kinetic performance in open-terrain high-wind environments like desert corridors and coastal lines. Many projects use a mixed specification across these three models.
All three products use a universal clamp fitting conductor outer diameters from 5mm to 38mm. This single clamp size covers: LT distribution conductors (7–15mm), 11kV feeders (10–20mm), 33kV sub-transmission (15–25mm), 66kV, 132kV and 220kV transmission conductors (20–38mm), and 400kV EHV conductors (up to 38mm outer diameter for standard ACSR/AAC types). The products are mechanically compatible with all standard Indian conductor materials: ACSR, AAC and AAAC. No voltage-specific variant is required — the same product is installed across all line types.
Bird Flight Diverters in India — What They Are, Why They Matter
A bird flight diverter is a marker device attached to overhead power line conductors to make them visible to birds in flight, preventing fatal collision with wires. Also called power line markers or avian flight diverters, these devices are the most widely used and cost-effective technology for reducing bird mortality on electrical infrastructure globally. In India, bird flight diverters are manufactured to the Central Electricity Authority (CEA) technical specification and are mandatory on power lines crossing ecologically sensitive areas including wildlife sanctuaries, Important Bird Areas, wetlands and Great Indian Bustard priority habitats.
BirdDiverter.com is operated by Prakritis Technologies, a dedicated wildlife-technology company and bird diverter manufacturer based in India. Our three CEA-certified products — the passive Non-LED Marker (PLM/NLD-V1), the solar-powered LED Blinking Marker (PLM/LD-V1) and the wind-activated Aero Spin Diverter (PLM/AER-V1) — cover the full range of Indian power line deployment scenarios. We supply bird diverters to state DISCOMs, transmission utilities, PGCIL contractors, Forest Departments and renewable energy developers across India, with full CEA test documentation and government-format invoicing.
Why Bird Diverters Are Essential on Indian Power Lines
India supports extraordinary avian diversity — over 1,300 species including numerous globally threatened and endangered birds. At the same time, India’s transmission and distribution network covers millions of kilometres of power line, much of it crossing critical bird habitats. The result is a significant and well-documented bird mortality problem. Species including the Great Indian Bustard, Sarus Crane, Lesser Florican, various vulture species, large eagles and waterbirds are all recorded as wire-strike fatalities on Indian power lines. Avian collision prevention using CEA-compliant bird flight diverters is now a regulatory, legal and environmental obligation for utilities, developers and contractors operating in or near sensitive areas.
Choosing the Right Bird Diverter for Your Power Line Project
The correct power line marker for India depends on three key factors: the visibility conditions on the specific span (daytime only, or night and fog risk), the bird species and flight patterns present, and the maintenance access constraints of the deployment location. The passive Non-LED diverter suits the majority of rural distribution, agricultural and daytime-risk spans — offering the lowest total ownership cost and zero maintenance. The LED blinking model is specified for nocturnal migration routes, fog-prone northern plains and airport-vicinity infrastructure. The Aero Spin is purpose-designed for high-wind desert and coastal corridors. Our technical team provides product selection guidance, quantity estimation and full project specification support — contact us with your project details for a tailored recommendation.
———
- All products are CEA-certified and tested to Central Electricity Authority technical specification
- Manufactured in India — supports Atmanirbhar Bharat procurement requirements
- Universal 5mm–38mm clamp — compatible with all ACSR, AAC and AAAC conductors
- Hot-stick installation — no power shutdown required for deployment
- Full tender documentation package available for all government and DISCOM orders
- Technical support for project specification, quantity estimation and span layout planning
—-Get in Touch
Ready to Protect
Birds on Your
Power Lines?
We supply CEA-compliant bird flight diverters to utilities, contractors and developers across India. Bulk pricing, fast dispatch from New Delhi, full documentation provided.
✓CEA test certificates and compliance docs with every order
✓Government GST invoicing — suitable for DISCOM and tender orders
✓Hot-stick installation — no power shutdown required
✓Technical project support — quantity estimation, span layout guidance
✓Bulk pricing from 500 units — fast dispatch from New Delhi
✓