Lindsey Systems

Name

Lindsey Systems

Legal name

Lindsey Manufacturing Co dba Lindsey Systems

Website

https://lindsey-usa.com

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

101–250 employees

Ownership category

akta.pro rank

Product category

Electric Power Transmission Equipment

NAICS

Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515), Switchgear and Switchboard Apparatus Manufacturing (335313), Electric Power Generation, Transmission and Distribution (2211)

SIC

Instruments For Meas & Testing Of Electricity & Elec Signals (3825), Switchgear & Switchboard Apparatus (3613), Industrial Instruments For Measurement, Display, And Control (3823), Electronic & Other Electrical Equipment (No Computer Equip) (3600)

akta.pro primary industry

Flexible AC Transmission—Dynamic Line Rating (DLR) & Grid-Enhancing Technologies (GETs) (EUADAMAK)

akta.pro secondary industries

Line Monitoring & Sensors (DLR, conductor temperature/sag, fault passage, vibration/icing sensors) (EUADADAL), Line Protection & Clearance Products (covered conductors, spacer cable, wildlife/bird diverters, line markers) (EUADADAK), T&D Reconductoring, Uprating & Dynamic Line Rating (DLR) Enablement (EUAEALAH)

Keywords

• Transmission line sensors
• Dynamic line rating software
• Emergency restoration systems
• Smart grid hardware
• Utility sensor analytics

Headquarters

HQ city

Azusa

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Products: Sale of physical transmission and distribution hardware including conductor clamps, fittings, insulators, stringing equipment, and davit arms. Products are sold directly to utilities with certifications including BABA, MAG, and CVN options.
2. Smart Grid Sensors: Sale of medium and high voltage current and voltage sensors for overhead, underground, and switchgear applications. Includes transmission line monitors (TLM), GEN2 line post sensors, and switchgear sensors with various accuracy levels.
3. SMARTLINE Software (SaaS): Cloud-based Software as a Service (SaaS) model for SMARTLINE platform providing dynamic line ratings, transmission capacity forecasting, and tower security monitoring. Includes AAR/881 compliance features for FERC Order 881.
4. Emergency Restoration System (ERS): Sale of modular, reusable transmission tower structures in various series (600L, 600H, 1070, 800) for emergency restoration and temporary transmission support. Includes training and ProSpot software.
5. Training and Professional Services: Training programs led by ERS engineers for equipment operation, design, and installation. Includes field training at job sites and central training facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Lindsey Systems designs, manufactures, and sells transmission and distribution hardware, current/voltage sensors, modular Emergency Restoration System (ERS) tower structures, and the SMARTLINE cloud-based software platform for electric utilities. Core products include TLM conductor monitors, TLSM tower security monitors, FIREBird wildfire detection, GEN2 line post sensors, switchgear/underground sensors, OEM components, and T&D hardware assemblies. The SMARTLINE platform provides dynamic line rating (DLR), ambient adjusted rating (AAR), and transmission capacity forecasting (TCF) under a SaaS subscription model with FERC Order 881 compliance.

Product overview

Lindsey Systems offers a unified platform-plus-modules architecture centered on the SMARTLINE transmission line rating platform, which integrates with TLM conductor monitors and TLSM security monitors to provide dynamic line ratings (DLR), ambient adjusted ratings (AAR), and transmission capacity forecasting (TCF). The company also provides the ERS (Emergency Restoration System) for grid recovery, FIREBird wildfire detection, a comprehensive sensor portfolio (overhead, underground, switchgear), and transmission/distribution hardware. All SMARTLINE solutions employ a cyber-secure SaaS model with cloud-based processing.

Differentiator

Problem solved

Functional benefit

Brands

• SMARTLINE: A comprehensive digital twin platform providing dynamic line rating (DLR), ambient adjusted rating (AAR), and transmission capacity forecasting for electric transmission lines.
• ERS (Emergency Restoration System)
• Lindsey Sensors
• FIREBird
• ProSpot
• SMARTLINE-TAMPER
• TLSM (Tower Security Monitor)
• TLM (Transmission Line Monitor)
• Lindsey Anti-Fire Fishhook Staples

Products and services

• SMARTLINE Platform Cyber-secure cloud-based SaaS transmission line rating platform combining real-time sensor data with learning-based forecasting to deliver AAR, DLR, seasonal, transient, and emergency ratings for electric transmission lines, with integration into Energy Management Systems (EMS). Targeted at electric utilities requiring FERC Order 881 compliance and transmission capacity optimization.
• TLM Conductor Monitor Self-powered, self-communicating transmission line monitor using LiDAR for real-time measurements of conductor clearance-to-ground, conductor temperature, line current, and vibration through 765kV. Communicates via Iridium satellite network. Targeted at electric utilities requiring accurate dynamic line rating and conductor monitoring data.
• TLSM Tower Security Monitor Self-powered tower security monitor combining vibration and infrared sensors to detect vandalism, sabotage, and intrusion around transmission tower bases, with satellite communications and cloud-based reporting. Targeted at electric utilities seeking protection of critical transmission infrastructure.
• FIREBird Wildfire Detection System Wildfire detection system designed specifically for use along high fire-ignition risk rights-of-way such as utility power lines, detecting and reporting wildfires while small, within minutes of ignition. Targeted at electric utilities and transmission operators in fire-prone regions.
• Emergency Restoration System (ERS) Modular, reusable transmission tower structures for rapid bypass of permanent transmission towers at any voltage in any terrain, with available configurations in 600L, 600H, 1070, and 800 series. Targeted at electric utilities for emergency restoration and temporary transmission support.
• ProSpot ERS Design Software Proprietary ERS configuration and design software for rapid tower design in field or office settings, with fail-safe output ensuring only buildable designs are generated. Targeted at electric utility engineers and ERS installation crews.
• GEN2 Line Post Sensors High accuracy overhead current and voltage sensing post insulators with 0.2% voltage accuracy, flat harmonic response, no phase shift, and a lineman-friendly design featuring 50% weight reduction. Targeted at electric utilities requiring high-accuracy overhead transmission and distribution sensing.
• Switchgear and Underground Sensors Complete range of current and voltage sensors for pad-mount, metal-clad, underground, live-front, dead-front, oil-filled, SF6, and submersible switchgear applications, including LEA/LPIT sensors compatible with modern relays. Targeted at electric utilities and switchgear OEMs.
• Transmission and Distribution Hardware Innovative and reliable T&D hardware including assemblies, fittings, conductor clamps, davit arms, pole line hardware, stringing equipment, and wood pole staples, with 100% lot testing per IEEE Standard C135.61. Targeted at electric utilities, with BABA, MAG, and CVN certification options.
• OEM Components Bushings, bushing wells, and sensors for LV and MV pad-mount, fuse-gear, and switchgear OEMs, including voltage and current sensing bushings, standoff insulators, and SF6 switchgear sensors. Targeted at switchgear equipment manufacturers.
• ERS Training and Professional Services Training programs led by ERS engineers for equipment operation, design, and installation, with field training at job sites and central training facilities. Targeted at electric utility crews and contractors using Lindsey ERS products.

Named customers4 records

Segments1 record

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

AI capability5 records

Feature8 records

Partnerships

Three partnerships are on record, tiered minor and core.

• CurrENTminorStrategic or Co-development Partner · 25 April 2023Lindsey Systems joined CurrENT, an industry association focused on advancing transmission and distribution technologies and policies.
• WATT CoalitionminorStrategic or Co-development Partner · 6 November 2017Lindsey joined the WATT Coalition to support advanced transmission technologies. SMARTLINE-TCF transmission capacity forecasting system is promoted through this coalition as a solution for grid optimization.
• Iridium CommunicationscoreTechnology or Integration · 20 April 2017Iridium satellite network provides communications infrastructure for Lindsey TLM conductor monitors. TLM devices use Iridium satellite radio requiring no other hardware installation on the line or additional setup configuration.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Hitachi Energy: Global grid technology major offering sensors, DLR, transmission hardware, and grid software. Comparable because it competes directly with Lindsey across transmission monitoring, sensors, and ERS-adjacent hardware, but at vastly greater scale and as part of a broader grid portfolio.
• Siemens Energy: Major T&D equipment and grid solutions provider with sensor and digital grid offerings. Comparable as a broad incumbent in transmission equipment and grid software, serving the same utility customers as Lindsey's SMARTLINE and hardware lines.
• GE Vernova (Grid Solutions): Global grid equipment and services business within GE Vernova, covering transmission hardware and grid software. Comparable as a broad incumbent serving the same utility procurement cycles that buy Lindsey sensors, DLR, and ERS hardware.
• Valmont Industries: Diversified manufacturer of utility support structures, poles, and T&D hardware. Comparable as a broader incumbent in T&D hardware and utility infrastructure, overlapping with Lindsey's conductor hardware and pole-line equipment categories.

Direct peers

• Schweitzer Engineering Laboratories (SEL): U.S.-based privately held protection, automation, and sensor company for electric utilities. Directly comparable because SEL sells current/voltage sensors and relays (overlapping with Lindsey's GEN2 line posts and switchgear sensors) and is itself a private, founder-influenced industrial.
• Hubbell Power Systems: Manufacturer of T&D hardware, connectors, insulators, and grid components. Directly comparable as a competing supplier of conductor hardware, pole line equipment, and switchgear components sold into the same utility procurement channels as Lindsey.
• S&C Electric Company: Privately held specialist in switchgear, grid automation, and distribution reliability products. Comparable as a competing switchgear and grid reliability vendor serving U.S. investor-owned utilities, overlapping with Lindsey's switchgear sensor and OEM offerings.
• Arteche: Spanish manufacturer of instrument transformers, sensors, and T&D equipment with strong utility relationships. Directly comparable because Arteche sells current/voltage sensors and instrument transformers into the same T&D procurement channels as Lindsey's overhead and underground sensor lines.
• Dynamic Ratings: U.S.-based niche provider of transmission and distribution line monitoring sensors and dynamic line rating software. Closely comparable as a direct competitor to Lindsey's TLM Conductor Monitor and SMARTLINE DLR platform in the same DLR/wide-area monitoring category.
• Sentient Energy: Provider of distribution grid sensors and analytics for utilities. Comparable as an emerging specialist in line sensors and grid analytics that competes with Lindsey's overhead and switchgear sensors in distribution-focused utility deployments.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/403526

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Lindsey Systems