When the power goes out, your business shouldn’t have to stop. A reliable generator can keep your operations running smoothly, protect sensitive equipment, and provide peace of mind during unpredictable outages. But one question many business owners face is: what size generator do I actually need? Choosing the right size generator is not just about convenience—it’s about safety, efficiency, and long-term value. At B Powered Electric, we’re here to help you figure it out.
Why Generator Size Matters
Getting the right size generator is critical. If the generator is too small, it won’t be able to handle your business’s electrical load, potentially damaging the equipment or causing the system to shut down entirely. On the other hand, a generator that’s too large will cost more than necessary to purchase, operate, and maintain. The goal is to match your power needs without going overboard.
Commercial generators are rated by the amount of electrical power they provide, measured in kilowatts (kW). To determine the proper size, you need to evaluate the total wattage of the devices, systems, and machinery you plan to power during an outage. This includes HVAC systems, lighting, computers, security systems, refrigeration, industrial machines, and more.
Calculate Your Business’s Power Needs
Start by listing all essential electrical equipment and systems your business needs to operate during a power outage. Then, determine the starting watts and running watts for each item. Starting watts are typically higher than running watts because some equipment, especially motors and compressors, draw extra power when first turned on.
For example:
- Computers and servers: 300–600 watts each
- Refrigerators: 800–1200 starting watts
- HVAC system: 3000–4000 watts
- Lighting: Depends on type and number
- Security systems: 400–800 watts
Add up the total running watts and starting watts, and use the higher total to determine your generator size. A professional electrician in New Orleans can help you perform a full load assessment to get accurate numbers and ensure compliance with local codes and regulations.
Types of Generators for Commercial Use
There are two main types of generators businesses typically use: standby generators and portable generators.
- Standby generators are permanently installed and automatically kick in during a power outage. These are ideal for businesses that can’t afford downtime, like medical facilities, restaurants, and data centers.
- Portable generators are more affordable and flexible but require manual setup and are best for short-term or backup use.
Standby generators generally range from 20 kW to over 100 kW, depending on the size and power requirements of the business. Small offices may only need a 20–30 kW generator, while larger warehouses, retail stores, or industrial facilities may need 60–150 kW or more.
Factors That Influence Generator Size
Several factors can affect the generator size your business needs:
- Business size: Larger spaces usually require more power, especially if they include climate control systems and lighting across multiple rooms.
- Industry needs: A tech company may prioritize powering servers, while a restaurant needs refrigeration and cooking equipment. A consultation with a licensed electrician in New Orleans ensures your generator is tailored to your industry.
- Future expansion: If you plan to grow your business, installing a generator with slightly more capacity can save you from having to upgrade later.
- Fuel source: Common fuel types include natural gas, diesel, and propane. The choice of fuel can impact the generator’s performance and ongoing operating costs.
Don’t Guess—Get Expert Help
Sizing a commercial generator isn’t something you want to guess. There’s a lot at stake—from financial investment to your ability to continue serving your customers during emergencies. A qualified commercial electrician can perform a detailed energy audit, recommend generator models, and handle the installation process from start to finish.
At B Powered Electric, we specialize in helping local businesses protect their operations with the right power solutions. Whether you’re running a boutique, a restaurant, or a warehouse, we bring the technical knowledge and practical experience to make sure you’re covered during outages.
Call B Powered Electric Today
Choosing the right generator size is a crucial decision for your business. Don’t leave it up to chance. Contact B Powered Electric, your trusted electrician in New Orleans, and get a customized generator solution that matches your business’s power needs. We’ll help you stay powered up—no matter what.
