Essential Considerations for Installing Commercial Backup Generators

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A power outage can significantly impact your business’s profitability and productivity. Severe storms or downed power lines can strike without warning, making it essential to have a commercial backup power supply in place to keep operations running smoothly. These generators, available in both diesel and natural gas configurations, serve as robust solutions for businesses, facilities, and industrial applications that require a steady power supply to conduct daily operations. In the event of a power outage—whether due to a natural disaster, grid interruptions, or component failure—your generator ensures that your company remains operational until the primary power source is restored.

Before proceeding with a backup generator installation for your commercial needs, it is crucial to keep several key points in mind to facilitate a smooth process.

The Necessity of Backup Power Generators for Business Operations

Power loss can halt operations, create hazardous working environments, and lead to significant financial losses for many businesses. It is particularly critical for places such as college campuses and construction sites, where power outages can result in various complications. Therefore, the implementation of generators is vital for commercial settings.

Power outages can stem from a variety of causes, such as hurricanes, tornadoes, earthquakes, floods, power grid failures, utility pole accidents, transformer malfunctions, and even wildlife interference. Regardless of the source, the absence of reliable electricity can severely disrupt workflow and processes in businesses that depend on it.

Outages may last anywhere from a few minutes to days, which underscores the need for businesses to prepare for both short and long-term power disruptions. It is not uncommon for companies to remain idle until power is restored to the main grid. Any downtime can diminish profits, and in critical settings like hospitals and nursing homes, the implications can be life-threatening.

Implementing a backup generator allows basic facility operations to continue, transforming power outages from potential disasters into manageable situations that won't compromise productivity or safety.

Categories of Backup Commercial Generators

Commercial generators primarily fit into three categories: emergency commercial generators, legally required emergency standby generators, and additional backup generators. Two of these categories are required under NFPA 110 standards, as they are essential for maintaining critical loads. Note that specific requirements for various types of generators may vary across states, counties, and businesses.

1. Emergency Commercial Generators

Emergency generators automatically provide backup power during power outages. Various emergency power supply systems are outlined in the NFPA code. These units must supply power within 10 seconds to safety systems, which typically include:

• Exit lighting
• Smoke alarms
• Evacuation systems
• Fire alarms
• Escalators
• Elevators

These safety features ensure that occupants can exit the premises safely in threatening situations. This type functions independently and cannot rely on other power sources.

2. Legally Required Emergency Standby Generators

Standby generators differ from emergency units in the timeline for power activation. They must engage within 60 seconds of power loss. Similar to emergency generators, standby units are also classified under the NFPA code as required devices for specific businesses.

Unlike emergency generators, however, standby systems are not required to have separate connections. Although they do not supply power to safety features like EGRESS systems, they can enhance egress transitions for people inside a building.

3. Additional Standby Backup Generators

Additional standby backup generators are not mandated by code; however, they offer power to essential equipment and systems necessary for the continued operation of the business during outages. This functionality mitigates profit loss and downtime, while also maintaining heating and cooling systems for occupant comfort. These generators may connect to the same components as standby systems that are legally required but do not connect with emergency generator systems.

What Are the Requirements for Commercial Backup Generators?

Commercial backup generators must comply with the National Fire Protection Association (NFPA) 110 standards, which outline the minimum generator types, as well as operation and testing requirements for these units.

The generator types suitable for your business will depend on its operational tasks. For example, Level 1 emergency power supply systems (EPSS) are vital in scenarios where power disruptions could endanger lives. Alternatively, Level 2 EPSS are utilized in less critical scenarios. Both levels are equipped with accessories necessary to maintain operation, encompassing controls, transfer switches, load terminals, alarms, and overcurrent protection.

Mission-critical facilities—such as hospitals, data centers, research institutions, and laboratories—rely on uninterrupted power. Any power loss in these settings could jeopardize data and specimens stored in laboratories.

To ensure compliance with necessary requirements, consult a generator installation professional who understands the NPFA 110 standards applicable to different businesses, as specifications can vary, particularly for restaurants and healthcare facilities.

Considerations When Choosing a Backup Generator for Your Business

Whether you aim to safeguard HVAC systems in healthcare settings or maintain data center security, a reliable generator is essential. The selection process can be complex, requiring assessments of your power needs, fuel types, and installation considerations.

Given the intricacies involved, enlisting an expert in commercial generator installation can help you identify options tailored to your business requirements and financial capabilities. Here’s a detailed overview of generator dimensions, specifications, and fuel options.

Generator Size and Specifications

Commercial generators come with diverse ratings. Selecting the appropriate size for your business is critical. An undersized generator won’t provide sufficient power, while an oversized one can lead to financial waste on unutilized generation capacity.

Consulting a generator expert can ensure you choose the right size that meets operational requirements without excess capacity.

Generator Fuel Source

Diesel and natural gas/LPG are the primary fuel sources utilized in commercial generators. Each option has its benefits and downsides, so the optimal choice depends on your operational needs and fuel availability.

Commercial Diesel Generators

Diesel generators are among the most widely deployed options for emergency backup power. Their versatility caters to numerous industries. Moreover, their lower maintenance requirements can generate long-term savings.

However, diesel generators depend on limited fuel tank sizes that restrict maximum runtime. Planning for fuel replenishment is crucial because relying on fuel trucks during emergencies may not be feasible. Installing external diesel storage tanks on-site is a prudent strategy for maintaining generator fuel supplies during prolonged outages.

Commercial Natural Gas Generators

Natural gas generators are particularly popular in urban settings due to their quieter operation and cleaner burning fuel compared to diesel. A significant advantage is their ability to connect to local natural gas lines, eliminating the need for extra fuel storage.

Yet, they are not without drawbacks. Natural gas generators require more consistent maintenance than diesel models and risk becoming inoperative if utility supplies are interrupted during emergencies. A conversion kit allows the natural gas generator to operate on liquid petroleum gas (LPG or propane) if local gas lines are cut off. Having spare propane on-site ensures that generators remain operational even during utility failures.

Comparing New and Old Generators

New Generators

Many customers prefer new generators, believing that they are superior. While newer models come with various advantages, they also have certain drawbacks.

Benefits of new generators include:

• Latest models and technology
• No pre-existing wear or usage
• Manufacturer warranties
• Compliance with recent EPA standards

Conversely, downsides may include:

• Made to order, leading to prolonged lead times
• Higher purchasing cost
• Limited modification options
• Fewer aftermarket parts availability

Used Generators

Opting for a used generator can provide peace of mind at a lower cost. Old models often deliver reliable service, enabling businesses to sustain operations effectively.

Benefits of used generators include:

• Immediate availability, reducing lead times
• Quicker purchasing, delivery, and installation processes
• A broader selection of brands and models
• A variety of upgrades and aftermarket options
• Ensured servicing and testing
• Suitable for many standby applications
• Cost savings on initial expenditures

However, it’s imperative to recognize that used generators may exhibit varying degrees of wear, influencing your decision-making process.

Drawbacks of used generators include:

• Variable usage hours
• Possible immediate service and maintenance needs
• May not meet specific EPA standards
• Potential cosmetic defects
• No manufacturer warranty

Installation Site Requirements for Commercial Generators

Each installation site for a commercial generator has different specifications. Nevertheless, common features required for installation include:

• Generator's location
• Concrete foundation or pad
• Accessibility for maintenance technicians
• Ease of refueling by fuel trucks for diesel generators
• Security from unauthorized access
• Fuel tanks, either above or underground
• Protection enclosures against the elements

For internal installations, the generator room must be adequately prepared to secure the generator while ensuring compliance with local building codes and emissions regulations. It's vital to engage an expert to assist in navigating necessary procedures and paperwork for generator installation.

Questions to Ask Before Generating Your Backup Power Solution

Before selecting a commercial backup generator, consider a range of factors to ensure the unit meets your emergency requirements. Questions related to power capacity, initial costs, fuel expenses, and necessary accessories are critical in finalizing your choice.

1. What Level of Backup Power Do You Require?

Review electrical bills from the past year to establish your generator’s required output. Determine the peak usage amounts and add one-fourth to ascertain the minimum output your generator must provide. This additional reserve power ensures enough capacity is available during peak operational periods.

When assessing power needs, don't just account for current requirements; also anticipate future needs as your site grows. After your calculations, always consult an expert to refine estimates based on current and potential power necessities.

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2. What Is the Cost of a Commercial Generator?

The initial price of a generator should not be the sole consideration. Factor in ongoing service, maintenance, and testing to ensure it operates efficiently over time.

Evaluate potential savings from minimizing profit loss and productivity disruption during a power outage as well. Foregoing a generator or selecting a less powerful model to cut costs could ultimately lead to substantial revenue losses during emergencies.

3. What Are the Fuel Costs for the Commercial Generator?

Your generator's fuel choice will significantly impact your financial planning. Most businesses use natural gas or diesel; therefore, being informed about fluctuating fuel prices is essential. While trends provide insights, keep in mind that the projected costs will inevitable change.

4. Will You Consider Adding an Automatic Transfer Switch (ATS) to the Generator?

An automatic transfer switch is a worthwhile investment when installing a commercial generator. An ATS allows the generator to activate automatically upon losing power from the main grid. Once the grid's power is restored, the generator will shut off.

Without an ATS, an employee will need to be present to perform manual switching during outages, leading to additional labor costs. The ATS eliminates this extra burden and minimizes operational delays.

5. How Frequently Will the Generator Be Used and How Long Will It Run?

For businesses requiring standby power, stationary models are ideal since they provide more significant power capacity during outages. However, you may occasionally need a portable rental generator for temporary power in specific situations like construction sites.

Summary of Commercial Backup Generator System Installation

The installation of a commercial generator involves multiple steps, starting even before the generator arrives on site. Preparing before installation is equally essential to ensure the generator is appropriately sized and complies with regulations.

The pre-installation steps include:

1. Assessing space, size, location, fuel type, voltage, and amperage requirements
2. Consulting with the local EPA and certified electricians to ensure compliance with codes and regulations
3. Selecting a generator brand and model suitable for your applications
4. Choosing an appropriate site for the generator with necessary fire safety alarms and access barriers
5. Planning foundations, including concrete pads and containment tanks
6. Obtaining local permits for the generator installation

After completing these preparatory steps, the installation process can proceed with the following actions:

1. Mounting the generator on the concrete pad
2. Connecting fuel lines and electrical systems to the generator
3. Testing and running the equipment to ensure proper installation
4. Clearing the installation site of all materials, tools, and waste

The Importance of Ongoing Maintenance and Service After Installation

All generators, whether new, used, or surplus, need continual service and maintenance. After successful installation, follow general guidelines for maintaining commercial generators to ensure reliable operation.

Regular maintenance is crucial, as testing is vital for operational assurance. Therefore, aim to test the generator's performance weekly, monthly, and annually. Facilities like hospitals should run tests weekly and conduct load tests monthly, while other businesses should aim for at least monthly visual checks and annual evaluations. More frequent testing helps guarantee generators are ready for emergencies; always check with manufacturers for recommended maintenance schedules.

By adhering to maintenance practices, including routine checks, your generator can provide reliable power when necessary. Nonetheless, a well-kept generator is just one aspect of emergency preparedness; developing a backup plan for fuel supply and occupant support during power outages is also essential.

Selecting a generator suitable for your business, maintaining it diligently, and ensuring accessible fuel reserves during emergencies will mitigate the adverse effects of power outages.

For inquiries regarding backup generator solutions tailored for your commercial needs, please reach out to us. At Dingbo, we provide extensive generator options for businesses of all sizes. Our experts are ready to assist you!