FAQs for the Energy Hawk system

Contact us now to discuss how the Energy Hawk can benefit your business.


General FAQs

Contact us now to discuss how the Energy Hawk can benefit your business.


Technical FAQs

Contact us now to discuss how the Energy Hawk can benefit your business.


Installation FAQs

Contact us now to discuss how the Energy Hawk can benefit your business.


Why use Energy Hawk?

Energy Hawk is a unique electrical energy efficiency system that reduces a facility’s electrical bill by recycling wasted energy.

Energy Hawk captures the power normally lost to facility inefficiency, and cycles it back into the facility for useful work. 

This custom designed system also has many other advantages. Energy Hawk uniquely:

  • Saves money on energy bills by reducing kilowatt consumption​
  • Increases Power Factor
  • Balances and raises the voltage of the entire system across all phases
  • Eliminates voltage drops when demand increases
  • Eliminates line surges and sags
  • Provides whole-facility surge protection up to 50,000 Volts per unit
  • Increases equipment life-span
  • Reduces maintenance costs of energized equipment
  • Eliminates brownouts by smoothing the electricity being supplied to the facility

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Can I save money using the Energy Hawk for my facility?

The simple answer is yes. 

If you have moving parts in your facility, then the chances are we can save you money. 

The types of moving parts we mean are components like motors, pumps and transformers. Of course these are used everywhere in conveyors, lifts, air conditioning units and a huge variety of machinery. 

Let us help you find out how we can save you money. Test to see if you can save money now.

Or Contact us now to discuss how Energy Hawk can help your business.

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Why is a high Reactive Power bad for a facility and their electricity supply?

The Reactive Power increases the amount of Apparent Power in the facility electrical system. Unfortunately, high Reactive and Apparent power causes the Power Factor to decrease. This is bad for all energized equipment, the facility’s electrical grid, and for your pocketbook.

Facilities with a low Power Factor and high Reactive Power will experience much higher electric bills compared to an energy efficient facility. Therefore, for any facility the ultimate goal is to bring the Apparent Power and Real Power closer together.

Fortunately, Energy Hawk is able to accomplish this by raising the Power Factor in the circuit.

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How do I test to see if you can save me money?

Its actually quite a simple process to see if we can help you and save you a lot of money

Provide 12-24 months of electric bills to track rates, usage and billing trends. We can quickly see the type of electricity you are using and if we think we can save you money in a cost effective way.

Schedule a Power Evaluation. We will provide data loggers to measure your electricity. The facility will be measured for kW, kVA, kVAr, Voltage, Amps, Power Factor, Total Harmonic Distortion and individual harmonic waveform disturbances. We will do this during both peak and low operational hours.

We will analyse the data. We will calculate the expected savings and rate of return based on equipment needs. We will schedule a review of these findings with all relevant parties. 

We can then tell you if Energy Hawk will be cost effective for your business.

Contact us now to discuss how Energy Hawk can benefit your business.

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What is the process for purchasing and installing a system?

Direct purchase or Lease-purchase options are available for immediate positive cash flow. Once this is confirmed you place a purchase order based on the terms and conditions offered. We will do the rest.

The systems are designed and custom built in the USA, to suit each facility’s specifications, certified and ready to ship in 6 – 8 weeks.

Once they arrive at your facility its again a simple process. Installation is by a licensed electrician and typically takes 3–4 hours per unit.

Thats it. Enjoy the savings and improved electricity quality provided by Energy Hawk!

Contact us now to discuss how Energy Hawk can benefit your business.

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What does the Energy Hawk consist of?

Energy Hawk is a unique electrical management and efficiency system.

Its components work together to achieve remarkable kW savings, voltage balancing, amperage reduction, lowering of kVA, power factor correction, kVAr harvesting & recycling, Harmonic correction, and surge protection.

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What are Apparent, Real and Reactive Power?

All electrical energy coming into a facility is known as Apparent Power. This is the power you pay for.

However, the power we actually use is defined as the Real Power. Even though you pay for it, a portion of the power entering your electrical system is lost to ground or neutral and never consumed.

This is referred to as Reactive Power (kVAR).

In a perfect system Apparent and Real Power are the same. There is no loss. However, this is never the case.

The ultimate goal then is to bring these two factors, Apparent Power and Real Power, closer together to reduce the losses. Energy Hawk is able to accomplish this by capturing this lost voltage, condition it and cycle it back into your facility’s electrical system.

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Where in the world is Energy Hawk installed?

Examples where Energy Hawk and/or its energy saving technology component are used successfully include:

  • Large hotel, resort and convention center complexes
  • Manufacturing, Production and Industrial facilities
  • Federal & Government buildings
  • College, private and public school facilities
  • Military bases 
  • Churches, residential homes and day care centres
  • Fast food franchises
  • Retail sites (Convenience & grocery stores, Major home improvement centres)
  • Utilities (Water Treatment plants)
  • Commercial (Banks, Car dealerships & Car wash facilities
  • Medical (Hospitals and Medical Centres)
  • Athletic complexes
  • Condominium complexes

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What types of facilities would benefit from the Energy Hawk system?

Almost any building or facility that is using large amounts of power or experiencing problems from poor quality power, can benefit from the Energy Hawk system.

The more power being consumed or the worse the quality, the more dramatic the improvements and savings will be.

Here are some examples of sectors using our technology:

  • Hotels & Resorts
  • Manufacturing
  • Government
  • Education
  • Military
  • Retail
  • Utility
  • Commercial
  • Medical
  • Athletic
  • Housing

Talk to us and take our survey now to check to see if we can save you money.

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Do you have case studies showing the benefits?

We have many case studies available that are also independent. Here are a few examples from studies of the patented component:

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Why choose Energy Hawk?

Energy Hawk is a unique all-in-one power conditioning and energy management system that also reduces real kilowatt consumption and electricity costs.

If you are interested in saving money on your electric bill, extending the useful life of your equipment and protecting your facility against potentially damaging power fluctuations then contact us today.

Contact us now to discuss how Energy Hawk can benefit your business.

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How is the Energy Hawk unique in electrical energy saving?

Energy Hawk is a unique power saving technology that goes far beyond the limits of standard power factor correction.

This system is unique in that it reduces real kilowatt hour usage, while efficiently conditioning the electric power and protecting all motor-driven equipment from power surges and sags.

Energy Hawk achieves this reduction in kW power usage by “harvesting” wasted electrical energy that is normally lost in the inefficiency of the system. 

This captured energy can subsidise the power used by the facility and reduce the overall kWh by a large amount.

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How does Energy Hawk increase equipment life-span and lower maintenance costs?

Energy Hawk works by raising and stabilising the voltage to the correct optimum value across all three phases, reduces current, corrects harmonic distortion and eliminates surges, sags and spikes. This means that equipment:

  • Runs at the optimum voltage and current it is rated for. This extends the lifetime of the components within due to them running at the correct temperature.
  • Is protected from damaging surges that can destroy or harm the systems.
  • Is protected from damaging harmonics that can cause a lot of problems including communication errors, overheating and damage to hardware, cause malfunctions, tripping of breakers, metering errors, fires in wiring and generator failures.

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How much money can I save in my electricity bill by using Energy Hawk?

Energy Hawk can save typically 10-20% depending on your electrical system’s existing efficiency.

If you have a lot of moving parts and inductive loads (motors, pumps etc) within your facility then you will likely have a lot of savings.

Contact us now to discuss how Energy Hawk can benefit your business.

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Is Energy Hawk new technology?

Energy Hawk system is tested, proven and qualified technology for energy savings and increased equipment efficiency. All components are certified by their respective agencies (UL, CCC, CE, RoHS, CSA, IEC).

Independent studies by GE, Applied Research Laboratories, energy management firms and large-scale installations validate these results and are available to review.

A university study in conjunction with a major electrical utility commission is currently underway.

Energy Hawk and/or its energy saving component is in use in many major industrial and commercial facilities. Our customers gain real savings on electric bills, regularly lowering electrical use by 10-20  in addition to saving on demand charges and penalties. They also benefit from increased equipment life and reduced maintenance costs.

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How does the Energy Hawk work?

The electric power grid is affected by many external factors that can deteriorate the quality of power delivered to the end-user’s facility.

Energy Hawk solves these problems by:

  • Using patented technology to uniquely capture wasted electrical energy that is normally lost to ground and recycling it back into the customer’s system.
  • Balancing and raising the voltage across all phases so there is no voltage drop when equipment starts up or demand increases.
  • Reducing peak demand, current loads and reactive power losses throughout.
  • Increasing equipment life-span and lowering maintenance costs by reducing equipment heat, vibration, noise and harmful harmonics.
  • Providing facility-wide surge protection up to 50,000 Volts eliminating line surges, sags and brownouts.

 

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Why do you call Energy Hawk a system?

Energy Hawk integrates components that work together to provide a unique energy saving system including a energy management control centre.

Once installed, Energy Hawk’s variable-capacitance system works automatically to adjust to the load, from minimum to peak, throughout the days, weeks and months.

Operators can log in to the Energy Hawk via secure internet to view real-time operations and make system adjustments if needed.

If the facility adds equipment, the Variable-Capacitance system can expand to accommodate the increased load.

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How long will Energy Hawk last?

Energy Hawk is designed to last 20+ years.

This is very different to from typical products like the Power Factor Correction equipment on the market where components regularly fail.

We only use top-rated / UL approved components throughout Energy Hawk. Further, we provide a comprehensive ten year warranty including servicing and certification of adherence to manufacturer’s specifications every year.

It provides an impressive rate of return through electricity bill savings, reduced equipment losses, plus maintenance-free operation for decades. This makes Energy Hawk the best investment for your business.

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What is the typical return for Energy Hawk in terms of kWh saved?

The rate of return (IRR) for Energy Hawk when just considering the recycling of the lost reactive power can depend on many factors:

  • The amount of power consumed by the facility. The higher the consumption, the greater the return.
  • The price per kWh and other charges and penalties on the electricity bill. Again, the higher the cost the greater the return.
  • The amount of Reactive Power (kVAr) created by the facility. The type of equipment you use will determine this. The more lost Reactive Power you have in the system the more Energy Hawk will recycle and reuse.
  • The number of Main Distribution Panels (MDP) in the facility (you might need a Energy Hawk system for each MDP).

Contact us now for a free assessment and quotation.

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Where is the Energy Hawk used?

Energy Hawk is in use in many major industrial and commercial facilities worldwide. This includes factories & processing plants, hotels and resorts, convention centres, hospitals, government buildings and more.

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Has Energy Hawk been independently tested?

The Energy Hawk system is tested, proven and qualified technology for energy savings and increased equipment efficiency. All components are certified by their respective agencies (UL, CCC, CE, RoHS, CSA, IEC).

Independent studies by GE, Applied Research Laboratories, energy management firms and large-scale installations validate these results and are available to review.

A university study in conjunction with a major electrical utility commission is currently underway.

Contact us now to discuss how Energy Hawk can benefit your business.

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How can I find out if Energy Hawk will work for me?

Contact us immediately and we can help. There are typically 3 stages to the process to determine if Energy Hawk is right for your business:

Stage 1

  • Provide 12-24 months of electricity bills. This is so we can track rates, usage and billing trends.
  • Complete a questionnaire to help us understand the process.
  • From this information we can make an informed assessment whether we think we can save you money and provide effective protection. If we can, we can go to stage 2.

Stage 2

  • We will schedule to data log your facility to measure the Apparent Power (kW), Real Power (kVA), Reactive Power (kVAr), Voltage, Amps, Power Factor and Harmonic Distortion for both peak and low operational hours.
  • This typically takes less than an hour to set up at your Main Distribution Panel (MDP). We connect the data loggers to the MDP without turning off the power. We then record your typical usage.
  • We would log typically for 24-48 hours as long as it’s a typical usage day. We may go longer if required.
  • The data loggers are removed and the information downloaded. Note, there is little commercially sensitive data but we protect this information.

Stage 3

  • Using the data logged information we calculate the expected savings based on equipment needs.
  • We will schedule a review that will include analysis of the data, a quotation for a Energy Hawk solution and your expected rate of return based on current operations.

Contact us now to discuss how Energy Hawk can benefit your business.

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Do you have examples / case studies of Energy Hawk in action?

We have many examples of Energy Hawk and its technology in use.

Contact us now to discuss how Energy Hawk can benefit your business.

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Do I need to wait before I order the Guardian as I plan to move the facility to a new location in 24 months?

This isn’t necessary. The Guardian can easily be disconnected and moved to the next location along with all your other electrical equipment and then reconnected. There’s no reason to wait 24 months to start saving money.

In all likelihood with the results we’re seeing at our most recent installation the Guardian system will have either paid for itself or for most of it before you move.

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If a customer has a backup generator system that is installed before the Main Distribution Panel (MDP) when the power switches to the backup system will this prevent the 5-10 second power loss experienced?

When the grid shuts off, it’s off for everything until the generator energizes. Brownouts are only normally in terms of microseconds and are not an interruption. They are handled by the Energy Hawk. Anything more than that and the power is off.

However, power off never damages equipment. It’s the inrush of current in the energizing stage (when the power comes back on) that does cause the damage but is prevented by the Energy Hawk.

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Once the Energy Hawk is installed Is there a reporting mechanism that details the savings per hour, day, week?

The monitoring software can generate customized reports based on all factors related to energy usage at the panel the Energy Hawk is installed on. These factors include voltage, amperage, kilowatts, KVA, KVAr, power factor, on each phase and as a whole. Averages can be determined over any time period.

Current, we are testing new features that include temperatures of equipment, integration with local weather stations to optimize performance related to weather changes and much more.

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Will additional parts be needed other than the Energy Hawk when connecting up to the main distribution panel?

Regarding wiring, the Energy Hawk will generally need its own breaker or switch (depending on the size of unit and the existing wiring configuration of the panel on which it is installed).

These breakers tend to be large, industrial quality. For example, the one we are installing at a condominium building in Hawaii required a 600 Amp disconnect for 300 kVAr which measured 36″ by 52″ and weighed around 200 lbs. We also needed wire that was double-lugged and with the distance between the Energy Hawk and this particular panel this ended up being over 300’ of cable.

For quoting the installation, the electrician must consult with us and provide specific information including distance from the Energy Hawk to the disconnect, and from the disconnect to the main distribution panel. Conduit for these wires will also be required.

Sources for these breaker/switch/disconnects and wires will generally be found in each country. We prefer to provide the ROI on just the Energy Hawk unit alone, as each area will have different costs for the ancillary equipment and labour.

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If a customer after one year wants to install a lot more equipment could they adjust this with the software of the Energy Hawk or would they need another system?

If you think there is a chance of future expansion of equipment or kW usage (summer load), then it is better to choose a slightly larger capacity for the Energy Hawk. It’s best to do it in the beginning than to adjust or replace our equipment later.

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What are the replacement costs for parts such as capacitors, contactors and the EMCC?

The Energy Hawk comes standard with a five-year parts and service warranty. Also, it comes with an annual certification inspection through year six. The customer will not have to pay anything for parts or servicing for the first five years.

Further, the customer may purchase an extension of the warranty at the end of the five-year term. If the customer elects to forego an extension of the warranty, then replacement parts will be based on the prevailing prices at the time of order.

A very strong “peace of mind” is the fact that the components are individually built to last 20+ years, and working together as a whole we anticipate a 30+ year lifespan of the Energy Hawk.

In fact, the only time we have had to replace a part, has been a couple of the MOVs due to a direct lightning strike on the overhead power line. But the equipment saved everything within the building from electrical surge damage!

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How many sizes of Energy Hawk systems are there?

Each Main Distribution Panel assessed requires a certain sized Energy Hawk to be determined.

For convenience, so they are not too weighty and too big we will build up to 400 kVAr per unit. We can then link them in parallel in multiples of 400 kVAr (400,800,1200, etc).

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What are the voltages and current that each system can handle?

The Energy Hawk is able to handle line surges up to 50,000 volts and the MOVs can easily handle currents up to 600,000 Amps per phase.

We can build systems for 208/220/380/and 480 volts as well as 50 or 60 HZ.

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What are the estimated selling prices for these systems?

Since each Energy Hawk is unique to each Main Distribution Panel, there is no set price as we build each one custom.

After data logging, we make a report of our findings as well as assess the location as it determines what kind of cabinet and design we use. Costs vary widely pertaining to those variations.

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Where are the Energy Hawk systems manufactured and where are they shipped from?

The Energy Hawk is manufactured / assembled in California, and shipped directly from the manufacturer. They are located close to the Port of Los Angeles, California.

Shipping will be handled by international shipping companies and will be fully insured.

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What does the Energy Hawk look like?

The guardian is a sealed unit that is not easily accessible due to the security measures protecting its unique IP.

Here are images of the system installed in a customer facility:

 

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What is Real, Apparent and Reactive Power?

First, consider that all of the electrical power coming into a facility is known as Apparent Power (kVA). This is the power you pay for on your electricity bill.

However, this is not the power you get to use in your facility. The power you actually use is defined as the Real Power (kW). This is always lower than the Apparent Power.

So, even though you pay for the full amount of the Apparent Power, in reality a portion of the power entering your electrical system is lost because it is stored and discharged by different parts including inductive motors, transformers or solenoids. The system is in reality not 100% efficient.

This lost power, the difference between the Apparent and Real Power, is referred to as Reactive Power (kVAr). It is Power you pay for but do not get to use.

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What is the Power Factor (PF)?

Power Factor ​is a ratio of Real Power ​(kW) and Apparent Power ​(kVA)​. That is ​kW/kVA​.

The PF is a measure of efficiency. The highest power factor desired is 100% or 1. A number less than 1 indicates inefficiencies within the load. A power factor of 0.80, or 80%, indicates an inefficiency of 20%.

Inductive loads lead to a much lower power factor because of the non-working power needed to maintain the magnetic​ ​field generated.​ ​Non-inductive​ ​or​ ​resistive​ ​loads​ ​approach​ ​100%​ ​efficiency.

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What are inductive and non-inductive (resistive) loads?

Inductive loads are any loads requiring a magnetic field to operate (motors, inductive capacitors, gaseous tube lighting ballasts, transformers, inductive furnaces, fans, relays, solenoids and chillers).

Inductive loads draw a large amount of current (inrush current) when first energized, then decrease after a few cycles​ ​to​ ​a​ ​full-load​ ​running​ ​current.

Non-Inductive Load (Resistive Load) are any loads not containing capacitance or induction such as incandescent lighting or electrical heaters, ovens, burners and toasters.

The current instantly attains its steady-state level without first rising to a higher​ ​level.

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Why is it important to ensure the voltage across all the phases is kept at its optimum point?

When the voltage is stabilised then components in a system run at the correct rated voltage. This reduces the heat and strain in components like motors and pumps due to the clean, consistent power provided.

Equipment now runs at the temperature it was designed to run at and the components can run up to 30-40% cooler. This reduced heating in the components lowers maintenance and repair costs and increases equipment life span.

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Why is it important to reduce the current in equipment components?

An increase in current in a component like a motor or pump means the part could be running hotter than it is rated to. Nearly all components that run hotter than they are rated for, will become more inefficient.

This inefficiency can have a large impact on the performance and lifetime of the component.

The graph below shows three motors on an injection moulding machine running both with and without Energy Hawk’s energy saving component protecting it.

The key point is that all three motors ran a lot hotter without the protection of the system. Applying the Energy Hawk energy saving component increased efficiency and motor lifespan.

 

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What is Power Factor Correction?

Power factor correction is the process of increasing the Power Factor to near unity without altering the original load.

The Power Factor of an electrical system is a measure of how efficiently the power is used. That is the ration of the Apparent Power to the Real Power.

Power factor correction is technology and equipment used to ensure this is as efficient as possible. In order to eliminate line losses, the Power Factor correction device must be mounted at the inductive load.

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How does Power Factor Correction (PFC) equipment work and what is the difference with Energy Hawk?

PFC equipment works by using a bank of capacitors to offset the inductive load (or reactors if the load is capacitive). This raises the Power Factor. However, that is all it does.

Energy Hawk also does this by raising the voltage across all phases. So, in this instance the PFC equipment and Energy Hawk do a similar job.

However, Energy Hawk also harvests the wasted Reactive Power (the difference between the Apparent Power and the Real Power) that can then be recycled. This recaptured energy can be utilised to reduce the actual kW used by a facility.

This is a unique difference between the PFC equipment and Energy Hawk.

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What is a brown out and can Energy Hawk protect my equipment?

A brownout is a drop in the voltage in an electrical power supply system.

The reduction can last for minutes or hours, as opposed to short-term voltage sag (or dip).

The term brownout comes from the dimming experienced by incandescent lighting when the voltage sags. A voltage reduction may be an effect of disruption of an electrical grid, or may occasionally be imposed in an effort to reduce load and prevent a power outage, known as a blackout.

Energy Hawk eliminates brownouts due to the system being able to feed back in the recycled (Reactive) energy that it has stored.

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What is a voltage sag (dip) and can Energy Hawk help?

A voltage sag (dip) is a short duration reduction in voltage. It typically has a duration period of 0.5 cycle to a few seconds although it can be more sustained.

There are several factors which cause a voltage sag to happen:

  • Since electric motors draw more current when they are starting than when they are running at their rated speed, starting an electric motor can cause voltage sag.
  • When a line-to-ground fault occurs, there will be a voltage sag until the protective switch gear operates.
  • Some accidents in power lines such as lightning or a falling object can be a cause of line-to-ground fault and a voltage sag as a result.
  • Sudden load changes or excessive loads can cause a voltage sag.
  • Depending on the transformer connections, transformers energizing could be another reason for voltage sags happening.
  • Voltage sags can arrive from the utility but most are caused by in-building equipment. In residential homes, voltage sags are sometimes seen when refrigerators, air-conditioners, or furnace fans start up.

Energy Hawk eliminates voltage sags due to the system being able to feed back in the recycled (Reactive) energy that it has stored.

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What are harmonics and why are they dangerous to an electrical system?

Harmonics occur when voltage and current are not in phase with one another with their respective sine waves. Measured as total harmonic distortion (THD), harmonics are merely a by-product of a nonlinear load.

Examples of nonlinear loads include battery chargers, adaptors, fluorescent lamps (because of the choke coil), LEDs, electronic ballasts, variable frequency drives (VFDs), rectifiers, uninterruptible power supply (UPS), switching mode power supplies (SMPS), photocopiers, personal computers, laser printers and fax machines.

However, in a linear load, both voltage and current follow one another without distortion to their pure sine waves.

Examples of linear loads are resistive heaters, incandescent lamps, and constant speed induction and synchronous motors.

Most power systems can accommodate a certain level of harmonic currents but will experience problems when harmonics become a significant component of the overall load.

As these higher frequency harmonic currents flow through the power system they can cause a plethora of problems including:

  • Communication errors
  • Overheating and damage to hardware
  • Overheating of electrical distribution equipment (cables, transformers, standby generators etc.)
  • High voltages and circulating currents caused by harmonic resonance
  • Equipment malfunctions due to excessive voltage distortion
  • Increased internal energy losses in connected equipment causing component failure and shortened life span
  • False tripping of circuit breakers
  • Metering errors
  • Fires in wiring and distribution systems
  • Generator failures
  • Lower system power factor that results in penalties on monthly utility bills.

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What is the Service Entrance Voltage?

This is the voltage that is supposed to be coming into the facility as provided by the Electric Utility.

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When installing the Energy Hawk System does the power ever have to be shut down at the facility?

Installing the Energy Hawk live has to do with the comfort level of the electrician depending on how everything is into the Main Distribution Panel.

Some facilities mandate a shutdown but it is customer dependent. Generally, we don’t have to shut down the power if requested.

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Will the breaker switches or any other devices VAR use in the installs will be covered under the Energy Hawk warranty?

They will not. The breakers/switches/disconnects will come with their own warranty from whichever manufacturer they are purchased from. Typically, these components will feature a 1- or 2-year warranty, depending on if new or recertified.

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Do you typically have to re-wire the Main Distribution Panel in order to install the Energy Hawk System?

Normally, you wouldn’t have to do any rewiring for the installation. VAR would put in our own wiring to connect to the bus. If there were not enough holes in the bus, we would simply add some.

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What other equipment do you require for installing the Energy Hawk at the MDP?

The standard Energy Hawk requires a breaker or disconnect as well as wiring. We will determine whether they are required as part of the assessment.

If required the breaker would have to find space at the MDP and sometime hardware needs to be built into the panel to receive the breaker to connect to the bus bars.

None of this equipment or work is included in the initial Energy Hawk pricing.

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