Celtic Green Energy Ltd

What Celtic Green Energy Ltd does

Celtic Green Energy Ltd is a Wales-based commercial solar and renewable energy specialist founded in 2013 and headquartered in Gorslas, Llanelli, Carmarthenshire. The company designs and installs commercial solar panel systems, battery storage solutions, EV charging infrastructure, ground-mounted solar arrays, and Power Purchase Agreement (PPA) arrangements for businesses across South and Mid Wales. Its core offering is engineered around actual site energy usage rather than maximum panel counts, with system design driven by a free commercial energy assessment process.

The business is founder-led by Julian, who brings 13 years of commercial solar installation experience in the region. Celtic Green Energy operates a sales-led go-to-market model using free energy assessments and direct outreach, supported by content marketing through case studies and a commercial insights blog. The company is HIES Accredited, RECC Approved, and holds a 4.9/5 Trustpilot rating. Revenue is generated primarily through one-time installation fees for solar, battery, and EV charging projects, supplemented by recurring revenue streams from Solar PPA arrangements where a third party funds the system and the customer purchases generated electricity at an agreed rate.

The company serves six primary verticals: manufacturing and industrial sites, agriculture and rural businesses, retail and commercial units, offices and business parks, sports clubs and leisure facilities, and public sector and community buildings. With 12 employees, Celtic Green Energy remains a regionally focused, privately held installer without disclosed external funding, operating under company registration number 08544634.

Name

Celtic Green Energy Ltd

Legal name

Celtic Green Energy Ltd

Website

https://celticgreenenergy.co.uk

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

Celtic Green Energy Ltd is a Wales-based commercial solar installer founded in 2013 that designs and installs solar panel systems, battery storage, EV charging, and Solar PPA arrangements for businesses across South and Mid Wales. The 12-employee firm serves manufacturing, agriculture, retail, offices, sports, and public sector clients.

Ownership category

akta.pro rank

Product category

Commercial Solar Installation Services

NAICS

Solar Electric Power Generation (221114)

SIC

Electric Services (4911)

akta.pro primary industry

Solar EPC & Construction (Utility-Scale, Rooftop, Balance of System) (EUAMABAB)

akta.pro secondary industries

Retail & Community PPAs (Community Solar/Shared Renewables) (EUAGADAC), Commercial Structuring & Offtake (PPAs, CfDs, Corporate PPAs, Merchant Strategy) (EUAMAAAE), Commissioning, Testing & Energization Services (Pre-Commissioning, Grid Code Compliance) (EUAMAFAK)

Keywords

• Commercial solar installation
• Battery storage systems
• EV charging infrastructure
• Solar power purchase agreements
• Commercial energy assessments

Headquarters

HQ city

Gorslas, Llanelli

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Commercial Solar Installation: One-time installation revenue from commercial solar panel systems. Revenue generated through design, survey, installation, and aftercare services for businesses.
2. Battery Storage Systems: Installation of battery storage systems to complement solar installations for commercial properties.
3. EV Charging Infrastructure: Commercial EV charging installation services for staff, fleet, and visitor charging.
4. Solar PPA: Power Purchase Agreement arrangements where a third party funds the solar system and the business purchases electricity generated at an agreed rate, providing ongoing revenue relationship.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Celtic Green Energy designs, surveys, installs, and maintains commercial solar panel systems, battery storage solutions, and EV charging infrastructure for businesses across South and Mid Wales. The company complements upfront-purchase installations with zero-upfront Solar Power Purchase Agreement (PPA) arrangements where a third party funds the system and the business purchases the generated electricity at an agreed rate. Services begin with a free commercial energy assessment and system designs are tailored around actual business energy usage rather than maximum panel counts.

Product overview

Celtic Green Energy Ltd is a Wales-based commercial solar and renewable energy specialist offering an integrated portfolio of products and services. The core offering centers on commercial solar panel installations, complemented by battery storage systems, EV charging infrastructure, and solar PPA (Power Purchase Agreement) financing options. Additional services include ground-mounted solar arrays, energy audits, solar finance, and maintenance. The company designs systems around actual business energy usage rather than maximum panel counts, and serves sectors including manufacturing, agriculture, retail, offices, sports clubs, and public sector organizations across South and Mid Wales.

Differentiator

Problem solved

Functional benefit

Products and services

• Commercial Solar Panels Solar panel installations for commercial and industrial buildings in Wales, enabling businesses to generate electricity on site, reduce grid reliance, and stabilise long-term energy costs. Sized around actual energy usage rather than maximum panel counts.
• Battery Storage Systems Commercial battery storage solutions that store unused solar energy for later use, reducing peak demand and maximising self-consumption on commercial sites across Wales.
• Commercial EV Charging Smart EV charging infrastructure for workplaces and commercial sites in Wales, supporting staff, fleet, and visitor electric vehicle charging demand.
• Solar PPA Power Purchase Agreement arrangement allowing Welsh businesses to access solar generation without upfront capital investment, purchasing the electricity generated by the system at an agreed rate, with maintenance typically included.
• Ground Mounted Solar Arrays Solar installations on ground-mounted structures for commercial sites in Wales with insufficient roof space for rooftop arrays.
• Commercial Energy Assessments Assessment services evaluating business energy usage, roof space, supply capacity, and future demand to inform the design of commercial solar, battery storage, and EV charging systems.
• Maintenance Ongoing maintenance services for installed commercial solar panel and battery storage systems to preserve performance and ROI.

Quantifiable outcome

• Tovali Drinks achieved £13,000 annual energy savings
• +2 more outcomes

Named customers3 records

Segments6 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered minor.

• NIBEminorOthersNIBE logo displayed on partner/brands page, indicating working relationship or supplier partnership.
• TeslaminorOthersTesla logo displayed on partner/brands page, indicating working relationship or supplier partnership for solar/battery technology.
• Octopus EnergyminorOthersOctopus Energy logo displayed on partner/brands page, indicating working relationship or supplier partnership.

Scale indicators3 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Solar Sense UK: UK commercial and residential solar PV installer with battery and EV charging offerings. Similar integrated product mix and project-based commercial sales model.
• Joju Solar: UK-based solar installer specializing in commercial and community solar, battery storage, and EV charging across England and Wales. Directly comparable business model, product mix, and target customer base.
• EvoEnergy: UK solar EPC delivering commercial rooftop solar, battery storage, and EV charging solutions. Closely comparable in offering, customer segments, and regional commercial focus.

Regional players

• Inenco: UK-based commercial energy management and PPA/brokerage provider focused on corporate energy procurement and renewable offtake. Comparable in solar PPA origination but with national corporate reach rather than installer focus.

Broad incumbents

• Lightsource bp: One of the largest UK and European solar developers/operators with utility-scale and commercial solar PPA capabilities. Overlaps in solar EPC, PPA structuring, and commercial offtake, but operates at much larger scale.
• Statkraft (Solar Century legacy): European renewable energy major with UK solar development and PPA operations, having acquired Solar Century. Provides comparable commercial solar EPC and PPA capabilities at significantly larger scale.
• EDF Renewables UK: Major UK renewable energy developer covering solar, wind, and battery storage with commercial PPA offerings. Competitor in commercial solar offtake but with broader portfolio and institutional backing.

Emerging players

• Open Solar: Solar software and marketplace platform enabling commercial installers to design, quote, and finance projects. Adjacent in commercial solar sales tooling and project financing workflows.

Market position

Strengths4 records

Weaknesses3 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/celticgreenenergy
• LinkedInlinkedin.com/company/celtic-green-energy

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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 Celtic Green Energy Ltd