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LED Lighting Supply / Photometric Lighting Plan

Photometric Lighting Plan

Get Your Free Commercial, Industrial or Sports Lighting Plan

Why Do You Need A Lighting Plan ?

What Is Included With A Lighting Plan?


  • Custom lighting layout with count & placement
  • Foot candle and light balance calculations
  • Light fixture recommendation and quote
  • Dedicated lighting specialist to assist with your project

How long does it take to get a plan?


1-2 business days


2-3 business days


Compact Brands
Cbre Logo

CBRE needed high quality lighting for their customer, with stock available for ongoing projects.

Commercial Use Case

Smith Logo

Customer had an urgent need for high temperature lights. We had them in stock & shipped out next day.

Industrial Use Case
Oakland Logo

Poor lighting caused parking lot safety issues for spectators. Our lighting plan & new lights resulted in an improved experience.

Commercial Use Case
Armag Logo

Customer needed to source large quantities of specialty fixtures for use in their manufactured products.

OEM Use Case
Tracy Logo

Tracy Electric was seeking a reliable source for ongoing commercial lighting projects.

Contractor Use Case
Wesco Logo

Distributors partner with us to provide customers a high quality product at a reasonable price.

Distributor Use Case
Dixie Logo

Repeat industrial lighting supplier for an electrical contractor working in manufacturing facilities.

Contractor Use Case
Fsu Logo

Permanent tent lighting for large acrobatics facility. Our lighting plan & recommendations resulted in ideal performer & spectator safety.

Sports Use Case
What Is a Photometric Plan?

A Photometric Lighting Plan is a digital software report that shows a proposed LED lighting solution placed within an indoor or outdoor area. This lighting analysis lets you view the lighting level before work begins on a job site.

The software is capable of importing layouts, CAD diagrams and even scaled Google Maps of outdoor areas – particularly interesting when creating lighting plans for outdoor sport facilities using led sports lighting.

The software can place the fixtures inside the plan at specific locations and heights. They can be oriented and aimed. The lighting plan calculates foot-candle light levels, shows how balanced the light is, and provides a comprehensive printable PDF report.

Photometric lighting isn’t just a type of lighting or a design style. Photometric lighting is the study of how light emanates from a fixture into the environment. Knowledge related to photometric lighting is reserved for anyone who worlds with fixtures.

What is Photometric Analysis?

A photometric lightening analysis helps understand how the light from the fixture surrounds the area of coverage. It’s a popular hack used by light designers to visualize what the space will look like after fixtures have been installed.

What is a lighting layout calculator?

A lighting layout calculator is another way of saying “Lighting Plan”. Some sites provide some basic lighting calculators, which are good tools for basic budgetary calculations based on light levels needed when you provide some basic data about the light you might use. It is NOT a replacement for a lighting plan. We would never use a led lighting layout calculator in place of a lighting plan.

Other similar related terms – led light spacing calculator and free lighting layout tool.

What customer types are eligible for free photometric plans?

We offer free lighting plans for contractors and end users for commercial, industrial and sport lighting projects.

For residential customers, we are able to offer free plans for horse arenas, pole barns and shops. We do not do lighting plan for homes, apartment units, condo units or townhome units.

We are unable to provide free lighting plans to architects and design engineers, as the full project plans are usually unknown at this early stage and require extensive non-design work.

What can I expect with the results of a Lighting Plan?

The results of each plan is specific to the particular space dimensions and fixture model, wattage, lumens, optic used, color temperature and mounting angle used.

You should not expect the same lighting results indicated by the lighting plan if the fixture is swapped out for another fixture.

When Do I Need a Photometric Plan?

A lighting plan would be highly recommended before any lighting project is started, and before any lights are purchased. It will provide you with most of the information you need to make an informed decision.

Technical Lighting Plan Terms you should know

One of the biggest challenges of buying new lighting or upgrading to LED lighting from existing fixtures, is anticipating how your new lights will look and function in your space. Luckily, there is a solution.

A Photometric Lighting Plan is a software report of LED Lights placed within an indoor or outdoor area. Using a special lighting software program, you can create a simulation of an indoor room or an outdoor area. The software is capable of importing layouts, cad diagrams and even scaled google maps of outdoor areas – particularly interesting when created lighting plans for outdoor sport facilities.

The software can place the fixtures inside the plan at specific location and heights. They can be oriented and aimed. The lighting plan calculates foot-candle light levels, shows how balanced the light is,  and provides a comprehensive printable pdf report.

Lighting Terms

Lumen –  A lumen is a unit of light. By itself it’s useless, but it becomes useful when it defines the collective lumens produced by 1 fixture or bulb. It is the amount of visible light that a fixture emits.


Foot Candle –  A foot-candle is a measurement of light at a specific location, and 1 to many lights can contribute to the specific foot candle reading at that location. Foot candles (or its equivalent LUX) are the requirement that most are looking for when they describe a light level for a project, facility, or location.


Beam Angle -The beam angle of a lamp is the angle at which the light is distributed or emitted. This can be done with additional optics, or as is the case with LEDs, by engineering the light in a specific way. LEDs have an extremely large range of available beam angles.

How to Read a Photometric Plan?

A lighting plan won’t provide you any benefit unless you know how to read it.

If this will be your first LED Lighting Supply photometric plan, it may seem like a bunch of complex figures and statistics. However, it isn’t as difficult to understand as you might think.

Refer to the lighting plan for the basketball gymnasium on the right as we share some terms to familiarize yourself with how these plans work. There are 4 main parts of every lighting plan.

how to read a photometric plan

1. Foot Candle Measurements

A foot-candle represents the amount of light that reaches a surface area, and it’s measured in lumens per square foot. In the above plan, you’ll see that there are several reading points within the lighting plan. These represent the foot candle readings for each specific point. And if you’d rather look at the layout in meters, the software can also calculate lux instead of foot-candles.

Lighting Plan Footcandles

2. The Fixtures

The light fixtures, arguably the most important thing on a photometric lighting plan, are shown as red dots. The dots show where the light fixtures should be located to give the optimal lighting coverage.

Fixtures can be swapped out and plans recalculated to find ideal lighting for the specific environments and area.

Lighting Plan Fixture

3. The Schedule

This is an extremely important part of a lighting plan that is often overlooked. The schedule is found at the bottom left of your lighting plan, and it goes into further detail about the types of fixtures recommended in the lighting plan.

Lighting Plan Schedule

By familiarizing yourself with the above terms, you’ll be able to effectively read your photometric lighting plan, and design a lighting layout that works well for your specific facility.

However, even if you feel comfortable reading a photometric lighting layout, questions may still arise. If you have any issues, questions, or concerns, feel free to reach out to one of our lighting specialists.

4. The Calculation

This is where some of the most valuable information in the lighting plan is found. This section is found on the right of the schedule, and identifies the light levels and distribution ratios of the fixtures outlined in the schedule. It provides some useful information about the foot candles measurements in the plan, including the average, maximum, and minimum. These numbers are often used to ensure that projects are in accordance with building codes.

Out of these numbers, the average is the most significant. This is the ideal or “target” foot candle reading for the entire project. We can then calculate an Average/Minimum foot candle reading, which shows us how much the dimmest spot differs from the average.

The Max/Min ratios is also important, as it shows the overall lighting distribution for the space. Building codes are made so that buildings have an even distribution, which helps with visual comfort and safety.

Lighting Plan Calc

Lighting Plan Considerations

Inadequate Light Levels or Spotty Distribution

Bad distribution and poor lighting levels are a major issue in the lighting industry. Many facility managers who are looking to convert to LED lighting end up buying products online without going through a proper analysis. They make assumptions about what should work in their space, and encounter problems once they have bought and installed the new lighting. We end up hearing the following complaints often:

It’s too bright.

It’s not bright enough.

The light is not uniform.

The light is too bright beneath the fixture.

This is why we always suggest a photometric lighting plan. Otherwise there is no sure way to know what your outcome will be. Even though some suppliers will suggest that all many fixtures aren’t all that different from each other – we know that couldn’t be farther from the truth.

The only way to accurately predict how your lights will look is to have an in-depth understanding of how light behaves in large spaces. But unless you are a lighting engineer, this information is out of your wheelhouse. And, that’s where the photometric lighting plan comes in. A photometric lighting plan takes everything into account and does the math for you so that you can make an informed lighting purchase, whether or not you’re a lighting engineer.

The issue with buying lighting fixtures online is that you can’t be 100% sure of what you are buying. A lot of time manufacturers will sell old inventory with outdated features and old chipsets. It may seem like a bargain, but you’ll quickly realize that you’ve made a huge mistake.

Understanding Your Current Light Levels

You can’t understand where you’re going if you don’t understand where you’ve been. Alright, that’s not exactly how the saying goes, but it does still apply here. In order to understand light levels let’s introduce the concept of foot candles or lux. They are basically the same thing: light measurements.

You can take light readings using a handheld light meter or an app on your smartphone. A free light meter app gives some reliable basic readings, but if you have a complex light environment or want to be completely sure, we recommend investing in a light meter.

For example, you may have a production facility and are looking to upgrade to LED Shop Lights. A good process would be to install a light meter app on your phone and use it to take several readings around your facility. Go under a light, go-between lights, go into the center of the space, go to the edge, and take readings.

From this, you will get a good idea of how your current lighting is performing, and your current light levels. But you can also use this method to determine things like:

Are my light levels OK, too bright or too dim?

Are my light levels pretty uniform and evenly distributed?

Would I like to improve the light levels, or are things OK

Final Thoughts on Lighting Plans

How Do You Create a Photometric Plan?

We create lighting plans using highly specialized lighting design software called AGI32 by Lighting Analysts. This program allows us to model spaces, adding lights, and calculating the light levels and light balance across the plan. We can easily add/remove and swap/switch fixtures within the plan until the correct light levels and balance are achieved.

How Can I get a  Photometric Lighting Plan?

There are many consultants who you can pay to run a lighting plan. But, using our fixtures, we can create for you a commercial lighting, sports lighting or industrial lighting design plan.

How Much Does a Photometric Plan Cost?

That depends on who develops the plan. They can cost between $500 and $2000 if you use a specialized lighting design company. Some of our competitors charge you for the plan and then credit you back the cost when you purchase.

We provide plans for free – with a few exceptions. We do not provide plans to individuals and companies only looking to have a plan done and with no intention of ever purchasing.

Our services are meant for customers who intend to purchase but want to make sure our lights will meet their needs. And, we do not provide plans for lights we do not sell.

We also do not provide lighting plans for engineers and architects who just need a lighting plan to satisfy their requirements for their customers.

How Do You Calculate Lumens for a Photometric Site Plan?

You should note that 1 lumen per square foot is the same as 1 foot candle. So, when you read a lighting plan, and see the average foot candles is, for example, 40, that’s the same as saying 40 lumens per square foot.

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