Energy audit
for businesses

Turn your regulatory obligations into performance opportunities. Our engineers identify levers for reducing consumption, prioritize investments, and build an energy roadmap aligned with your energy recovery and decarbonization objectives.

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RGE & ISO 9001 certified
Mandatory every 4 years
ESCO financing solutions

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What is this

The energy audit, the first step in your performance strategy

In practice

For whom?
Service sector companies, industrial companies, local authorities and asset managers.
When ?
Regulatory obligation (4 years) or voluntary optimization approach.
Duration
3 to 6 weeks for a standard building, up to 4 months for a complex industrial site.
Result
A quantified energy roadmap, improvement scenarios and identified financing mechanisms.

Engineers conducting an energy audit at an industrial site

An energy audit helps to identify the most relevant actions to sustainably reduce consumption, control operating costs and prepare for future investments.

Our engineers analyze usage, equipment and energy data in order to build a prioritized, costed and directly actionable action plan.

Mapping of consumption by use and by site
Identifying potential savings
Prioritized action plan with estimated gains
Investment assessment and expected return
Identification of available funding and aid

What our audits reveal

15–40%

identified savings
3–8 weeks.

completion time
Up to 70%

of the financed cost
350+

audits carried out in France

Step 1

Document collection and analysis

Invoices (minimum 24 months), meter readings, installation plans and supply contracts. Analysis of consumption by item.

Step 2

On-site technical visit

Inspection of HVAC, lighting and process equipment. On-site measurements and interviews with your technical teams.

Step 3

Analysis & modeling of economies

Quantification of potential savings per action. Simulation of savings, investments and ROI for each scenario.

Step 4

Feedback & prioritized action plan

Report compliant with regulatory requirements. Presentation to your teams and
associated financing solutions.

David Peissel

Technical Director at Powesco

THE EXPERT'S WORD

A useful audit is one that leads to decisions.

The value of an audit is not measured by the number of pages in the report, but by its ability to translate findings into concrete actions. At Powesco, each recommendation is prioritized, costed, and designed for rapid implementation, with a clear vision of expected gains and available funding.

GTB Audit

Diagnose your automation systems, identify deviations and non-conformities, and provide you with a BACS Decree compliance plan with quantified gains.

Learn more

HVAC Audit

Complete diagnostic of your heating, ventilation, and air conditioning equipment. Identification of overconsumption and modernization plan with ROI.

Learn more

Photovoltaic study, storage, charging station

Technical and financial feasibility of a self-consumption installation. Sizing, connection study and profitability simulation.

Learn more

Decarbonization & CSRD

Carbon Footprint Scope 1, 2, 3. Emissions reduction plan, SBTi trajectory, CSRD-ready extra-financial reporting and ISO 14001 compliant.

Learn more

79,171 m² Area

ESCO 5-year contract

€5.8 million Amount funded

La Défense (92) • 40 floors

HVAC Energy Management GTB offices

EQHO Tower — Paris La Défense

Energy performance as a lever for profitability

Complete energy transformation of a 79,200 m² office tower with €5.8 million in financing over 5 years. Deployment of an advanced building management system and HVAC optimization to maximize performance without compromising comfort.

Challenges

Improve the energy performance of the tower while optimizing operating costs without impacting occupant comfort.

Work completed

• Deployment of an advanced building management system (BMS)
• Optimization of HVAC systems
• Comprehensive energy audit

Measured impact

-24 % energy savings / year

-32 % carbon emissions

Read the full case

Offices Energy Audit HVAC BMS

Franklin Tower — Paris La Défense

Measured impact

-37 % 5,950 MWh of energy savings per year

-32 % carbon saving

Read the full case

Hospitality GTB Relamping

Mercure Courbevoie — La Défense Hotel

Measured impact

-21 % energy savings / year

-29 % carbon emissions

Read the full case

Frequently Asked Questions

Do you have an energy efficiency project, questions about financing or regulatory obligations? Our experts are here to help.

Speak to an expert

Is my company required to conduct an energy audit?

Yes, if you employ more than 250 people or have a turnover exceeding €50 million and a balance sheet total exceeding €43 million. The audit must be renewed every four years. Beyond being a legal requirement, it is the essential starting point for any serious program.

How does CEE financing work?

Can Powesco carry out the audit and the work?

How long does it take to see the first savings after the work is completed?

Can Powesco guarantee the advertised performance?

Need help with your project?

Customer service available
Monday to Friday from 9am to 12pm

01 84 19 86 88

contact@powesco.fr

Head office

77, rue Marcel Dassault -
92100 Boulogne-Billancourt

Personalized support

Our experts will guide you towards solutions tailored to your energy challenges.

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Energy audit
for businesses

The energy audit, the first step in your performance strategy

What our audits reveal

A useful audit is one that leads to decisions.