Lennon Group
Lennon Group is an Irish electrical contractor founded in 1981 that installs residential and commercial solar PV systems — including the Sigenergy 5-in-1 Home Energy System — alongside security, LED lighting, and distillery electrical services for Irish homeowners, businesses, and distilleries.
- Company typePrivate
- Founded1981
- HeadquartersDrogheda, Ireland
- Headcount1–10
- GTM typeB2B and B2C
- OfferingServices
What Lennon Group does
Lennon Group is an Irish electrical contracting and renewable energy company founded in 1981 and headquartered in Monasterboice, Co. Louth, with an additional office in Drogheda. It operates as a multi-trade service provider across residential solar PV, commercial solar PV, security and life-safety systems (CCTV, fire alarms, burglar alarms with Garda URN, air sampling), LED lighting, electric heating, emergency lighting, computer networking, whiskey distillery fit-outs, and case-cooler cleaning for supermarkets.
Its core offering is solar photovoltaic installation, with a hardware stack centered on 420W panels paired with inverters and battery storage, and a 25-year performance warranty. The company is an authorized Sigenergy installer offering the Sigenergy 5-in-1 Home Energy System, which integrates inverter, battery, EV charging (with V2H/V2G capability) and energy management via the mySigen App. For commercial customers it provides end-to-end project delivery — feasibility studies, planning permission, SEAI grant applications, and ESB witness testing. All employees are registered Safe Electric contractors, with additional NSAI, RECI, PSA01, EN 50131, and CompEx certifications supporting regulated work including hazardous-area distillery installations.
The business model is project-based services: one-time installation fees for residential and commercial solar (subsidized by SEAI grants of up to €1,800 residential and €162,600 commercial), professional services and hardware sales across security, LED, networking, and distillery work, and case-cooler cleaning on a service basis. Go-to-market is direct, in-person B2C and B2B field sales supported by a website funnel with a solar calculator tool, social media presence, and local community sponsorship. Customers are primarily Irish homeowners, Irish commercial/industrial businesses, whiskey distilleries, and supermarket operators.
Lennon Group firmographics
Firmographics- Name
- Lennon Group
- Legal name
- Lennon Group
- Website
- https://lennon.ie
- Company type
- Private
- Founded year
- 1981
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Lennon Group is an Irish electrical contractor founded in 1981 that installs residential and commercial solar PV systems — including the Sigenergy 5-in-1 Home Energy System — alongside security, LED lighting, and distillery electrical services for Irish homeowners, businesses, and distilleries.
- Ownership category
- akta.pro rank
Lennon Group industry classification
Industry- Product category
- Solar PV Installation Services
- NAICS
- Solar Electric Power Generation (221114), Electric Lighting Equipment Manufacturing (3351)
- SIC
- Electronic & Other Electrical Equipment (No Computer Equip) (3600)
- akta.pro primary industry
- Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)
- akta.pro secondary industries
- Distributed Generation (DG) Solar & Small Wind (EUAMAJAD), Home Energy & EV Charging (HEMS, Smart Meters, Batteries, Chargers) (HSAPAQAF)
Keywords
Where Lennon Group is headquartered
LocationHeadquarters
- HQ city
- Drogheda
- HQ country
- Ireland
- HQ region
- Europe
Offices2 records
Markets served
Lennon Group business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Marketing or Sales, Technology or R&D
Revenue model
- Residential Solar PV Installation: One-time installation of solar PV systems for homeowners including 420w panels, inverters, and battery storage options. Revenue generated through upfront installation fees with potential SEAI grant subsidies for customers.
- Commercial Solar PV Installation: Large-scale solar installations for businesses with projects for various commercial clients. Services include feasibility studies, planning permission, SEAI grant applications, and ESB witness testing.
- Security Systems: Installation and monitoring of burglar alarm systems, CCTV, fire alarms, and air sampling systems with ongoing monitoring services.
- LED Lighting: Sale and installation of LED lighting solutions for commercial and industrial applications including panels and fixtures.
- Whiskey Distillery Electrical Services: Electrical installation services for whiskey distilleries including VSDs, automation controls, and fire alarm systems with CompEx Regulations compliance.
- Case Cooler Cleaning: Cleaning and servicing of supermarket case coolers for hygiene and operational efficiency.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | SEAI Grant - 2kWp system |
| Unit Pricing | Pay-as-you-go | SEAI Grant - 3kWp system |
| Unit Pricing | Pay-as-you-go | SEAI Grant - 4kWp system (maximum) |
| Unit Pricing | Multi-year contract | Commercial Solar SEAI Grant |
Go-to-market motion1 record
Distribution channels3 records
Marketing channels6 records
Lennon Group product offering
Product offeringCore offering
Lennon Group designs, supplies, installs, and maintains solar photovoltaic (PV) systems for Irish residential homeowners and commercial businesses, including the integrated SigEnergy 5-in-1 Home Energy System with battery storage and EV charging. The company also delivers complementary electrical services including LED lighting, electric heating, fire and burglar alarm systems, CCTV, emergency lighting, computer networking, air sampling systems, case cooler cleaning for supermarkets, and specialized electrical fit-outs for whiskey distilleries. Services are supported by SEAI grant application assistance and 25-year solar performance warranties.
Product overview
Lennon Group is an electrical services company founded in 1981, specializing as one of Ireland's leading Solar PV installers. The company offers a unified renewable energy portfolio centered on solar panel installation for residential and commercial customers, complemented by specialized electrical services. The product line includes core Solar PV systems (residential and commercial), the SigEnergy 5-in-1 Home Energy System (integrating inverter, battery storage, and EV charging), and supporting electrical services including LED lighting, electric heating, computer networking, emergency lighting, and security systems (CCTV, fire alarms, burglar alarms, air sampling). Additional specialized services include whiskey distillery electrical fit-outs and case cooler cleaning for commercial refrigeration.
Differentiator
Problem solved
Functional benefit
Products and services
- Residential Solar PV Installation End-to-end solar photovoltaic installation service for Irish homeowners, including 420w rooftop panels, inverter, optional battery storage add-on, and 25-year performance warranty. Eligible for SEAI grants up to €1,800. Designed to generate free electricity from daylight and reduce domestic electricity bills by up to 70%.
- SigEnergy 5-in-1 Home Energy System Integrated renewable energy solution combining inverter, battery storage, DC-to-DC EV charger, and energy management in a single system. Features 0ms load-side disruption, 24/7 outage protection, hybrid power source support, and V2H/V2G EV charging capabilities.
- Commercial Solar PV Installation Large-scale solar PV installation service for Irish commercial and industrial businesses, with end-to-end project management including feasibility studies, planning permission, SEAI grant applications (up to €162,600 per installation), and ESB witness testing. Potential commercial electricity savings up to 80%.
- Electric Heating Systems Electric fireclay radiator installation using German technology, with radio frequency control options for zone-based heating management. Available for residential and commercial customers.
- LED Lighting Solutions Sale and installation of LED lighting solutions including flat panels, industrial and commercial lighting fixtures, with up to 50,000 hour lifespan and 3-year warranty.
- Computer Networking Installation Professional network wiring and installation services for commercial and residential computer networks, with proper labeling and quality installation practices.
- Emergency Lighting Systems Emergency lighting systems that ensure fire exit routes are illuminated during mains power failures, compliant with I.S. 3217:1989 standards.
- Fire Alarm Systems Fire detection and alarm systems from conventional to advanced addressable systems, compliant with Irish and European Standards, with installation and monitoring services.
- CCTV Systems IP camera systems for security and monitoring with cloud recording capabilities, integrating with access control and intruder alarm systems.
- Air Sampling Systems High-sensitivity smoke detection systems using laser or LED chamber technology for early fire detection.
- Burglar Alarm Systems Wired and wireless intruder alarm systems with NSAI certification and Garda-issued Unique Reference Number (URN) qualifying for Level One Garda response. Includes 30 years of installation experience.
- Case Cooler Cleaning Services Water-only cleaning and servicing of supermarket case coolers to prevent bacterial growth and improve operational efficiency.
- Whiskey Distillery Electrical Services Complete electrical fit-out services for whiskey distilleries, including VSDs, automation controls, fermentation plant equipment, custom still electrical installation, IP CCTV, and air sampling fire alarms, with CompEx Regulations compliance for hazardous atmospheres.
Quantifiable outcome
- Reduce electricity bills by up to 70%
- +5 more outcomes
Companies that use Lennon Group
Customer profileNamed customers11 records
Segments3 records
Ideal customer profiles3 records
Lennon Group technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Lennon Group partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Drogheda United FCminorLennon Group became an official club partner ahead of the 2026 League of Ireland season, securing advertising rights at Sullivan & Lambe Park and match ball sponsorship. The partnership supports the club's growth ambitions and community sustainability initiatives, aligning with Lennon Group's focus on sustainable solar PV solutions.
Scale indicators8 records
Recent moves5 records
Expansion highlights5 records
Lennon Group competitors and assessment
Company assessmentMarket position
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Lennon Group social profiles
Digital presenceLennon Group compliance and trust
Trust signalCompliance6 records
Lennon Group financial estimates
Financial estimateRevenue estimate
Valuation estimate
Lennon Group leadership team
Management profileNumber of profiles
Profiles1 record
Lennon Group funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Lennon Group M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Lennon Group
What does Lennon Group do?
Lennon Group designs, supplies, installs, and maintains solar photovoltaic (PV) systems for Irish residential homeowners and commercial businesses, including the integrated SigEnergy 5-in-1 Home Energy System with battery storage and EV charging. The company also delivers complementary electrical services including LED lighting, electric heating, fire and burglar alarm systems, CCTV, emergency lighting, computer networking, air sampling systems, case cooler cleaning for supermarkets, and specialized electrical fit-outs for whiskey distilleries. Services are supported by SEAI grant application assistance and 25-year solar performance warranties.
Is Lennon Group a public or private company?
Lennon Group is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Lennon Group founded?
Lennon Group was founded in 1981. It employs 1 to 10 people.
Where is Lennon Group based?
Lennon Group is headquartered in Drogheda, Ireland, in the Europe region.
How does Lennon Group make money?
Six revenue lines are on record. Residential Solar PV Installation is the primary driver. The others are commercial Solar PV Installation, security Systems, LED Lighting, whiskey Distillery Electrical Services and case Cooler Cleaning.
Does Lennon Group have an API?
No public API is recorded for Lennon Group.
What industry is Lennon Group in?
Lennon Group's product category is Solar PV Installation Services. Its primary akta.pro industry code is EUAMABAB, Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System), with a secondary code of EUAMAJAD, Distributed Generation (DG) Solar & Small Wind. Its NAICS code is 221114 and its SIC code is 3600.