Electricity consumption represents one of the main operational expenditure items in office buildings. In tertiary environments, energy can account for between 20% and 35% of total operating costs, depending on the size of the property and its efficiency level. Optimizing this area not only reduces monthly costs but also improves the organization’s sustainability and competitiveness.
An office of 5,000 square meters with average occupancy can easily exceed 600,000 kWh annually if it does not have efficient systems. Advanced consumption management requires a technical, strategic, and continuous approach, integrated within facility management services.
Initial energy audit
The first step is to accurately understand how and where electricity is consumed. An energy audit identifies the main demand centers, analyzes load curves, and detects hidden inefficiencies.
In many buildings, consumption outside working hours or unnecessary peaks resulting from incorrect configurations are discovered. Without a detailed diagnosis, any subsequent measure lacks a solid technical basis.
Real-time monitoring
The installation of smart metering systems facilitates continuous visualization of consumption by zone or equipment. Real-time monitoring allows for immediate detection of deviations and adjustment of parameters without waiting for the monthly bill.
Buildings that incorporate sub-metering by floor or specific areas achieve reductions of between 8% and 12% simply through active control and anomaly correction.
HVAC system optimization
HVAC is responsible for approximately 40% of electricity consumption in offices. Adjusting thermal setpoints, reviewing operating hours, and maintaining equipment in optimal conditions can generate significant savings.
A single-degree difference in the setpoint temperature can vary energy consumption by up to 7%. Preventive maintenance of HVAC equipment also prevents overexertion and loss of performance.
Efficient lighting and smart control
Replacing conventional luminaires with LED technology reduces consumption by up to 60% compared to older systems. Additionally, incorporating presence sensors and automatic regulation based on natural light further optimizes efficiency.
In offices with large glazed surfaces, the combination of dimmable lighting and centralized control systems allows light levels to be adapted according to actual occupancy.
Management of IT equipment
Computers, servers, and peripheral devices represent a significant portion of total consumption. Configuring automatic shutdown policies outside working hours and using equipment with advanced energy certification reduces electricity demand.
In corporate buildings with more than 300 workstations, proper management of IT equipment can reduce annual consumption by several thousand kilowatt-hours.
Power factor correction
A low power factor generates penalties on the electricity bill. Installing capacitor banks improves the efficiency of the internal network and avoids unnecessary surcharges.
This technical aspect often goes unnoticed, but its correction can represent direct savings in monthly billing, especially in buildings with high machinery loads or intensive electrical systems.
Adjustment of contracted power
Contracting more power than necessary implies a fixed overhead cost. Analyzing the maximum demanded power and adapting it to real needs avoids unnecessary payments.
Periodic review of the tariff structure allows optimizing the relationship between contracted power and actual consumption, adjusting the strategy to the evolution of property use.
Automation through BMS systems
Centralized management systems allow the integration of HVAC, lighting, and other electrical equipment under a single platform. This automation reduces human errors and facilitates efficient scheduling.
Buildings operating with smart control systems can reduce overall electricity consumption by between 10% and 20%, thanks to dynamic adjustments based on occupancy and environmental conditions.
Energy culture and internal awareness
Technology must be complemented by staff involvement. Internal awareness campaigns on responsible energy use generate significant behavioral changes.
Turning off equipment, avoiding unnecessary HVAC, and utilizing natural light are simple actions that, collectively, have a quantifiable impact. Energy efficiency is also a cultural matter.
Integration with ESG strategies
Reducing electricity consumption not only affects the bottom line. It also directly impacts the corporate carbon footprint. Companies that decrease their energy demand improve their environmental indicators and strengthen their position with investors and clients.
The traceability of energy data allows for transparent reporting of progress and alignment of property management with long-term sustainability goals.
At FAMASE, we analyze the energy performance of each building to identify technical and operational improvement opportunities. We implement tailored solutions that combine auditing, monitoring, and continuous optimization, achieving real reductions in electricity consumption and associated costs.
At FAMASE, we help companies integrate advanced strategies within their facility management services, ensuring efficient electricity consumption management, greater sustainability, and improved economic performance of their offices.
