What Enertis Applus+ does

Enertis Applus+ (legal entity: ENERTIS SOLAR S.L.U.) is a Madrid-headquartered, privately held technical consulting and engineering firm specializing in renewable energy and battery energy storage projects. Founded in 2006 and acquired by Applus+ in July 2021, the company operates from 16 country offices across Europe, the Americas, Asia-Pacific, and the Caribbean with a global team of 375+ professionals. It provides five core service lines — Technical Advisory and Consulting, Engineering, Quality Assurance and Quality Control, Testing and Optimization, and Energy Storage Solutions — to project developers, asset owners/equity investors, financial institutions, and EPC contractors, with a cumulative track record of 900+ GW of renewable energy projects and 150+ GWh of BESS capacity supported across 65+ countries.

The company's technology stack combines ENAC-accredited (ISO/IEC 17025, ISO/IEC 17020, CBTL/IECEE) fixed and mobile PV testing laboratories with a proprietary data science product family: A-PAA for ML-based long-term PV performance and degradation analytics, TESSA for weather-driven soiling and snow loss modeling, Smart PV Inspection for drone-based IR/EL defect detection, and SIMUBATT+ for BESS and hybrid project feasibility modeling. Revenue is generated through project-based, quote-driven B2B professional services contracts — including due diligence, owner's engineering, lender's technical advisory, factory audits, pre-shipment inspections, and on-site testing — typically structured as multi-year engagements tied to renewable project lifecycles, with no standardized public pricing and no indirect distribution. The firm invests 3-4% of annual revenue in R&D and pursues a sales-led go-to-market anchored in direct enterprise relationships, industry conferences (Intersolar Europe, Wind Europe, KEY Italy), and technical thought leadership.

Name

Enertis Applus+

Legal name

ENERTIS SOLAR S.L.U.

Website

https://enertisapplus.com

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

101–250 employees

Short description

Enertis Applus+ is a Madrid-headquartered technical consulting and engineering firm providing advisory, QA/QC, testing, and engineering services for solar PV, wind, and BESS projects worldwide, serving developers, financial institutions, and utilities across 65+ countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Madrid

HQ country

Spain

HQ region

Europe

Offices16 records

Markets served

GTM type

B2B

Offering type

Services

Revenue model

1. Technical Advisory and Consulting Services: Independent expert advisory services for solar PV, wind, and BESS projects including due diligence, feasibility studies, owner engineering, and technical reporting for financial institutions
2. Engineering Services: Engineering services including conceptual design, basic engineering, detailed engineering, construction supervision, and commissioning support for renewable energy projects
3. Quality Assurance and Quality Control: Factory audits, manufacturing supervision, pre-shipment inspections, FAT (Factory Acceptance Testing), and BOM validation for PV modules, BESS equipment, and balance of system components
4. Testing and Optimization Services: On-site and laboratory testing services including electroluminescence, I-V curves, thermal imaging, albedo measurements, and performance testing for PV plants

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels8 records

Core offering

Enertis Applus+ is a global technical consulting and engineering firm specializing in renewable energy projects across solar PV, wind, and battery energy storage systems (BESS). The company provides owner's engineering, advisory, due diligence, quality assurance, and asset management services to project developers, investors, financial institutions, EPC contractors, and asset owners across the renewable energy value chain.

Product overview

Enertis Applus+ offers a comprehensive portfolio of technical consulting, engineering, and quality services for renewable energy projects worldwide, with a focus on solar PV, wind, battery energy storage (BESS), and green hydrogen. The core offering consists of five main service lines: Technical Advisory and Consulting, Engineering, Quality Assurance and Quality Control, Testing and Optimization, and Energy Storage Solutions. The company also provides proprietary data science tools including A-PAA (Advanced Performance Analytics Application), TESSA (Soiling and Snow Application), Smart PV Inspection Tool, and SIMUBATT+ (BESS modeling software) that complement the service offerings with AI-powered analytics and optimization capabilities. The PV Mobile Laboratory enables on-site testing across multiple regions. Services span project development stages from planning and financing through construction, commissioning, and operation.

Differentiator

Problem solved

Functional benefit

Products and services

• Owner's Engineering Services Technical advisory and engineering oversight services for renewable energy project developers and owners during the development, construction, and commissioning phases of solar PV, wind, and BESS projects.
• Technical Due Diligence Independent technical assessment of renewable energy assets for financial institutions, investors, and acquirers evaluating project risks, performance, and bankability.
• Quality Assurance and Quality Control QA/QC services for solar PV, wind, and BESS projects covering manufacturing oversight, construction monitoring, and module quality verification for developers, EPCs, and investors.
• Asset Management and Operations Advisory Operational performance monitoring, O&M advisory, and asset management services for operating renewable energy projects to maximize energy yield and financial returns.
• PV Mobile Laboratory Accredited mobile laboratory service for on-site PV module quality testing, characterization, and reliability assessment, deployed at project sites and manufacturing facilities globally.
• A-PAA (Automated PV Plant Anomaly Analysis) Proprietary software platform for automated anomaly detection and analysis in PV power plants using data analytics to identify underperformance and defects.
• TESSA (Solar Energy Assessment Tool) Proprietary solar resource and energy yield assessment software used for bankable energy production estimates for PV projects.
• Smart PV Inspection Proprietary drone-based and AI-powered PV plant inspection service for thermographic analysis, defect detection, and comprehensive site auditing.
• SIMUBATT+ Proprietary battery energy storage system (BESS) simulation and modeling platform for performance assessment, degradation analysis, and risk evaluation.

Quantifiable outcome

• 900+ GW of renewable energy projects advised globally
• +3 more outcomes

Named customers23 records

Segments4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability11 records

Feature6 records

Partnerships

One partnership is on record.

• EDFcoreStrategic or Co-development Partner · 1 November 2025Partnership with EDF for the Eccles-Leitholm 500MW/1,000MWh BESS project in Scotland. Enertis Applus+ provided Technical Advisory services for the acquisition of the project. EDF partnership involves construction and future operations of the project expected Q3 2027.

Scale indicators10 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• TÜV SÜD: TÜV SÜD offers accredited PV and battery testing, certification, and technical advisory across the solar and storage value chain, overlapping meaningfully with Enertis' PV Mobile Lab, fixed-lab testing, and BESS advisory offerings.
• Black & Veatch: Black & Veatch's Renewable Energy group provides owner's engineering, construction supervision, and lender technical advisory for utility-scale solar, wind, and BESS projects globally, competing head-to-head with Enertis for utility-scale renewable advisory mandates.
• UL Solutions: UL Solutions (formerly UL LLC) provides PV module and energy storage testing, certification, and performance verification services through its own global laboratories. It competes directly with Enertis for manufacturer-side QA/QC and third-party testing work.
• DNV: DNV's Energy Systems business provides independent technical advisory, owner's engineering, and lender technical advisory services for solar PV, wind, and BESS projects globally. It is the closest large-scale competitor to Enertis Applus+ in renewables due diligence and bankability services.
• TÜV Rheinland: TÜV Rheinland operates PV and BESS testing laboratories and provides factory audits, IEC compliance testing, and quality assurance services for PV modules and energy storage systems, directly competing with Enertis' QA/QC and Testing & Optimization service lines.
• RINA: RINA provides engineering consultancy, testing, and certification services including renewables owner's engineering and project advisory in Europe and Latin America, putting it in direct competition for the same lender's technical advisor and engineering mandates Enertis pursues.

Emerging players

• Wood Mackenzie (Verisk): Wood Mackenzie provides renewables market intelligence, asset-level benchmarking, and due diligence support for project financing. It overlaps with Enertis on the market analysis and bankability advisory side, less so on testing.
• ICF International: ICF's Energy Advisory practice supports renewable project developers, owners, and lenders with due diligence, market intelligence, and policy advisory. It is partial peer to Enertis on the financial advisory and market intelligence side rather than testing/QC.

Broad incumbents

• SGS: SGS is a global TIC conglomerate that provides inspection, verification, and testing services including for solar PV and energy storage supply chains. It is a broad competitor to Enertis' QA/QC and vendor surveillance services as part of a much larger TIC portfolio.
• Bureau Veritas: Bureau Veritas is a global TIC conglomerate with significant renewables inspection and asset integrity services across solar and wind. As Applus+ is also a TIC peer, Bureau Veritas overlaps with Enertis' independent advisory and QA/QC work as part of a broader portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/enertis
• LinkedInlinkedin.com/company/enertis-applus

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

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 Enertis Applus+