Tag: save energy

Time of Use

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Time of use is a metering concept based around changing your usage behavior to not only lower your costs, but the costs of the utility as well. What is time of use? How can you take advantage and benefit from time of use? How does the utility benefit from time of use? These are three important questions that surround the time of use concept.

What is time of use?

Time of use is actually a very simple concept. Utilities use on peak periods and off peak periods. On peak periods are those periods during which the utility normally hits their peak. This is defined as a time period. For instance, the on peak period could be from 2pm – 5pm, Monday – Friday. In this example, the off peak periods would be everything outside 2pm – 5pm, Monday – Friday. Or, the periods of time in which the utility does not peak.

These time periods are typically have names with letters such as, period A or B. The electric meters are programmed with these time periods. Typically these meters have more than one register reading that is displayed. The readings that are displayed are for the different time periods.

In a time of use rate, on peak and off peak prices are different. On peak prices are more expensive than off peak prices. This is to encourage businesses and even some individuals to change their usage during these times. Which leads to the next point.








How can you take advantage and benefit from Time of Use?

To take advantage of time of use and reap all of the benefits you need to do a study of your usage. Some utilities will provide you with this service free of charge. They will install a load profile meter (often called a load survey meter). After a few months you can view the data. The data lets you know what times during the day you use the most power. Armed with this information you can make decisions about the available time of use rates offered by your utility.

It may be that you can come in an hour earlier to avoid hitting that peak. Or maybe completing some of your processes in the morning instead of the afternoon. The data lets you know.

Time of use offers a discount during off peak times. This is where the big advantage lies. Compare the prices of on peak versus off peak for the rates at your utility. You can save big. But beware, once your are on a time of use rate usage during the on peak time are higher.

How does the Utility benefit from Time of Use?

The utility benefits by being able to shift some load to off peak times. Looking at the utility’s consumption on a line graph shows when they peak. The normal line graph has peaks and valleys. They too are billed on the peak. Or if they generate their own power when the peaks are high they have to bump up their generation. Ideally, looking at a line graph, a utility wants their line to be straight. This means that the generation is constant. Moving some customers from on peak periods to off peak periods is one way of achieving this. The utility benefits from the lower cost of generation or price and passes that on to the customer.

In conclusion, time of use is a rate structure that is comprised of on peak and off peak time periods. It can be a great way for customers to lower their bill by shifting some of their normal routines. Utilities benefit by being able to shift some of their on peak load to off peak times thus reducing their overall demand costs as well.









Totalizing Meter Readings

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Totalizing meter readings can be a very effective way to lower your demand and KWH costs. So, if you are a commercial or industrial customer and have multiple meters you may benefit from totalizing your meter readings. What is totalizing? How can you benefit from totalizing? What are the different methods of totalizing?

What is totalizing?

Totalizing, at its simplest form is nothing more than addition. You take the meter readings from all of the meters that you have and you add them together. This, in turn, gives you one meter reading. Furthermore, it is much easier many times for the customer as they only have to keep up with one bill. A more advanced definition of totalizing is that by combining your meter readings the peak demand can be effectively reduced.

To explain this we need an example. Look at the picture below. In it you see that there are three lines. In this example we have meter A, B and totalized meter C. Also note that the numbers on the bottom are hours of the day. Here we are assuming that the demand interval is hourly. Notice that meter A peaks at 3:00 PM. The peak demand for meter A is 24 KW. Notice that the peak demand for meter B is also 24 KW but it occurs at 9:00 AM. If you do not remember how demand works go over to my page on demand for a better understanding.

.totalizing chart




Now that you have seen where meters A and B peak, let’s look at the totalizing meter C. Meter C peaks at 12:00 PM with a peak of 19.5 KW. This is 4.5 KW less than both meter A and meter B. This is because the totalizer effectively averages out all of its inputs. With KWH totalizing simply adds all of the KWH readings of the meters.

How can you benefit from totalizing?

Well, using the example above I am sure that you can see that your demand is reduced. So, let’s put that into dollars. Assume that your per KW demand charge is $15.00. For each meter that you have, A and B you will pay $360 each (24 KW x 15). So, for both meters you pay $720 per month just in demand charges. In addition, if you totalize with meter C your demand charges would only be $292.50 (19.5 KW x 15). A savings of $427.50! This is huge! However, remember that this is just an example, it is exaggerated.

You also save with your KWH charges. The reason for this is that most rates are tiered. Meaning that the price changes as you use more KWH. Also, in most cases the price goes down. If meter A uses 10,000 KWH in a month and meter B uses 15,000 KWH in month then in total they use 25,000 KWH. However, if the price buckets are as follows:

  • $0.10 for the first 5,000 KWH
  • $0.08 for the next 10,000 KWH
  • $0.06 for all over 15,000 KWH

then if your meters are billed separately you will not be able to take advantage of the cheaper rate bucket. If you totalize however you will be able to take advantage and save on your KWH as well.

What are the different methods of totalizing?

There are two main methods of totalizing. Totalizing with software is the first. Using hardware, such as the meter is the second. To totalize with software the utility downloads readings from each of the meters that are to be totalized. The utility then uploads the readings to a totalizing program. This program looks at all of the readings adds them together and averages them out. Then it gives you the totalized readings.

Using hardware to totalize is a bit different. Wires are run from the meters that need to be totalized. Then to a central meter that totalizes the readings internally. The utility then reads this totalized meter to get the readings. Finally, the utility bills the customer with the totalized readings.

Final Thoughts

Although it sounds like totalizing is definitely worth it you need to be aware that your utility may charge a premium to totalize your readings. This can vary and also may not be worth it. Instead of paying facility charges for the meters that you already have, you may pay for those and the totalizer. In addition, totalizing meters are expensive.

It is best to talk with your utility to determine if you are a good candidate for totalizing.








Can Compact Fluorescent Lights Lower Your Power Bill?

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An interesting question indeed. Can those little curly compact fluorescent light bulbs actually save you money on your power bill? The answer is yes! When comparing compact fluorescent light bulbs to the traditional incandescent light bulbs you need to consider a few things. One is light color. Another is wattage and the third is initial cost.

Light color is something that ultimately comes down to preference and I will admit that before compact fluorescent lights were out, I was just fine with the soft white light that was produced by the typical incandescent bulb. However, now that compact fluorescent bulbs have flooded the market you can now compare different light colors to best illuminate your space. There are fluorescent bulbs out there that are made to mimic the soft white light that is put off by the traditional incandescent bulb. These are marketed as soft light or warm light bulbs. These will give you the closest color to traditional incandescent light color that you can get from a fluorescent. Going up from there you have the popular natural and daylight light colors. These lights tend to have a white to blueish color and are made to mimic the natural sunlight that illuminates your home. To figure out which one is right for you, I recommend that you buy a few of each color and try them out and see which one you like best. You may prefer the daylight models in a home office or living room while the more traditional soft white, yellowish color fits your bedroom better. Just try them out and pick whatever looks best to you!

The next thing to consider is wattage. You will want to look at this not only from a savings perspective but from an illumination perspective as well. The ratings on compact fluorescent bulbs show us what kind of light they put off as if they were equivalent to their incandescent counterparts. For example, the replacement for a typical 60 watt traditional incandescent bulb is normally around a 13 watt fluorescent. This will normally be stated on the packaging. It will say something like 60 watt replacement or 60 watt equivalent. This helps us out because our light fixtures are rated for wattage as well. So, if for instance our living room fixture contains four 60 watt incandescent bulbs and we want to replace them and have the equivalent amount of light, we would need to buy four 60 watt equivalent, in this case 13 watt, bulbs.

The other thing to consider with the wattage is the amount that the new fluorescent bulb can save us on our power bill. Using the 60 watt bulb as an example. The rating of 60 watts means that if the bulb were turned on for one hour it would consume or use 60 watts of electricity. So, if we use the fluorescent bulb instead of the incandescent bulb we would use 13 watts in that hour instead of 60 watts. A difference of 47 watts!
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Now, before you get all exited because the fluorescent bulb uses almost five times less power than the incandescent bulb you need to remember that the fluorescent bulb costs more initially. Now, the price of these bulbs has come way down in the past few years but it is still a consideration to take into account. Remember when I said before that buying and installing fluorescent bulbs instead of incandescent bulbs would lower your power bill? I said that it would. However, there is a huge but in there. The lighting load in your home is one of the lowest loads in your home. Let me illustrate.

Let’s say you have a typical three bedroom, two bathroom home. You have a fan in every bedroom that has four lights each and one in the living that has four lights. You also have two lamps in the living room as well. The kitchen has a single light fixture over the sink and a four light fixture in the middle. The bathroom has a four light fixture over the mirror and a one light fixture close to the toilet. The front and back doors each have a light outside and you have a two light fixture with spotlights on two corners outside. We will assume that all of the inside lights and the porch lights are 60 watt bulbs and the spotlights are 150 watt bulbs.

We have a total of 30, 60 watt bulbs and 4, 150 watt bulbs. 30 bulbs x 60 watts = 1,800 watts. 4 spotlights x 150 watts = 600 watts. 1,800 watt + 600 watts = 2,400 watts. That is just basic math that says that if all of your lights were on for one hour they would use 2,400 watts. Let’s put that in terms of dollars. First let’s remember that we are billed on kilowatt hours which means we need to divide 2,400 watts by 1,000. That equals 2.4 kwh. Assume a $0.12 per kwh and it costs 2.4 kwh x $0.12 and we get $0.288 to run all of our lights for one hour. Are you surprised? Now let’s do the calculation for the 13 watt equivalent. 30 x 13 = 390 watts. 4 x 40 = 160 watts. 390 + 160 = 550 watts / 1,000 = 0.55 x 0.12 = $0.066 for one hour. A big difference for sure but not one that you will likely notice. Let’s now assume all of the lights were on for 24 hours per day for 30 days. 24 x 30 = 720 x $0.288 = $207.36. And, 720 x .066 = $47.52. Now it looks like a huge difference but you have to remember that you do not typically turn on all of your lights at the same time. You may not even use some of them on a regular basis. I am not trying to say this to discourage you from buying fluorescent lights. I am saying this to let you know that they do help you out in the long run. You will save money in the long run but do not expect a drastic change in your bill from one month to the next. If you would like to know how to calculate your power bill follow the link to my page where I explain how your bill is calculated.

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Amish Heaters

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Amish Heaters: A Comprehensive Guide to Energy Efficiency

Amish heaters have been compared to space heaters due to their similar functionality. They’ve gained attention for their claims of drastically reducing power bills. A television commercial even featured a customer whose gas bill dropped significantly after using an Amish heater, leading to a gas company inspection of his meter. This anecdote has sparked curiosity and raised questions about the efficiency and cost-effectiveness of Amish heaters.

Understanding Amish Heaters

Amish heaters are marketed as innovative products leveraging advanced technology. They claim to consume power equivalent to a coffee maker. While this is partially true – an Amish heater does use about 1500 watts when operational, similar to a coffee maker – it’s important to note that the heater will run for a longer duration to heat your home compared to the time your coffee maker takes to brew your morning cup of joe.

Energy Consumption of Amish Heaters

As previously discussed, 1500 watts is equal to 1.5 kW, and over an hour, it amounts to 1.5 kWh. Considering an average cost of $0.10 per kWh, the heater costs about $0.15 per hour to operate.

Impact on Your Gas Bill

The impact of an Amish heater on your gas bill depends on various factors. If you plan to use Amish heaters to heat your entire home, thereby turning off your gas furnace, then yes, the Amish heater can potentially lower your gas bill. However, if you’re heating only one room while leaving your furnace on for the rest of the house, the decrease in your gas bill might not be substantial.

Impact on Your Power Bill

Most likely, your power bill will increase if you are trying to heat your entire home with an Amish heater. Given the current natural gas prices, it’s cheaper to heat with gas than electricity. Therefore, if you’re thinking of buying an Amish heater to save on overall heating costs, you might want to reconsider. Even if you have an electric furnace or a heat pump, it’s unlikely that an Amish heater will lower your power bills, as it’s essentially a space heater with an electric fireplace attached.

How to Save on Your Power Bill with an Amish Heater

You can save on your power bill with an Amish heater, but it requires careful usage. Monitor how long it runs each day, heat only the room you’re in, and keep the door closed. Using the thermostat on the unit to maintain a constant room temperature can also help optimize its efficiency.

If you’re interested in buying an Amish heater for its aesthetic appeal, we encourage you to find a model that best suits your style and heating needs. Remember, informed decisions lead to smart purchases!

For more information on energy efficiency and cost savings, check out our other articles on Electric Meter Reading and Understanding Your Utility Bill.

5 tips to saving energy when on vacation

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So you are ready to go on a long vacation and you are worried about your electric bill being high when you get back and you want to know if there is anything you can do to keep you bill low when you get back. Well, there are a few things that you can do to ensure that your electric bill is not through the roof. Most of these tips even work well if you are only going out of town for the weekend as well.

1. Turn off the water heater.

That’s right. An electric water heater is one of the largest consumers of electricity in your home next to the A/C. For a normal family, a water heater can account for as much as 25% of the electricity that is consumed in your home. To put it another way, they can easily uses 300 kwh per month which can equal $30 or more. Let’s understand why we would want to turn off our water heaters while we are out of town. The water heater has a thermostat inside just like the A/C does. What that means is the water heater will be keeping the water at that temperature regardless of whether you are in your home or you are one vacation. One argument that I always hear from people is that they want to be able to take a shower as soon as they get home from vacation and they do not want to be waiting on the water to get hot. Well, let me put your mind at ease. Most water heaters have about a 30 minute recovery. This means that it takes the water heater about 30 minutes to be full of hot water again. So, walk in from you vacation, turn the water heater back on and then unload your car and get ready to take your shower. By this time the water should be nice and hot for you to take a shower. The next question is, “how do I turn it off?” The most convenient way is in the breaker box. Find the breaker labeled as water heater and turn it off. Alternatively, there should be a disconnect at the water heater. You can pull this disconnect and this will turn off the water heater as well. I would only use the second method if you are comfortable dealing with electricity because it could be dangerous.

I want to note that I would not turn the water heater off if you live in a climate that freezes and it is the winter time when you will be gone. This is only recommended during the times when temperatures are above freezing.

2. Turn off the A/C

The A/C is the largest consumer of electricity in the home and because of this, you do not want to overlook it when you leave for vacation. Now, if you are hardcore, depending on the time of year, you will just turn off the A/C when you leave for vacation and turn it back on when you come home. But, if it is in the middle of summer you may want to ensure that the house is not an oven when you get back. My recommendation is to turn the thermostat up to at the very least 80 degrees in the summer time when you leave, higher if you think you can stand it. If you are going on  vacation in the winter time you will want to turn the thermostat down to at least 60 degrees. This will ensure that your A/C or heat are not running constantly while you are gone trying to keep your couch comfortable.







3. Unplug, unplug, unplug!

In this day in age when you turn your lights off at night you can just about still see everything because of all the lights from your devices that are still on. The lights may be from computers, television, gaming systems, microwaves, etc. Whatever the lights are coming from, they are drawing electricity to be kept on. Unplugging things that are not necessary to be on while you are gone, such as your wireless router (if you have networked security cameras you may need to leave that on). All of these little things do not use very much on their own but collectively they do add to your bill. Remember that nothing is free!

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4. Turn off lights

This sounds like a no-brainer but many people forget to turn their lights off when they leave. Often times they will get home from vacation only to discover that they light in their bedroom or bathroom had been left on. Do a once over before you walk out the door and make sure that the lights are off. If you are going to leave a light on for security reasons, look at getting a timer so that it does not run all the time. Or, put in an LED bulb in that particular light fixture.

5. Turn off the water

I know this does not appear to have anything to do with electricity but if something happens while you are gone, such as a busted water line or a leaking toilet, you will be in for a big water bill. If the water line breaks and it is a hot water line and you have forgotten to turn off the water heater, it will constantly run trying to heat the water. This, again, is only recommended during warmer temperatures.

6. Bonus!

If you are hardcore like me and you do not care if you have to reset your clocks when you get back then this tip is for you. When I go out of town on vacation, as long as it is not a time where we are having freezing temperatures, I just go and turn off my main breaker. If your main breaker is off, your electric meter will not turn while you are gone. This is how my power bills during the summer when I have been on vacation have been as low as $40 when the base charge takes up $20 of that $40.

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Solar Water Heaters

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Solar water heaters can be a very useful way to saving money on your power bill. A water heater alone can easily cost a family of two $20-$40 dollars per month. Now think if you have a larger family what that could cost you throughout the year.

Heating your water by the sun is not a new concept. Back in the 1970’s there was a big push to conserve energy by heating your water with the sun. It however did not last very long. There are a few different types of solar water heaters out there. They can be as simple as laying a garden hose in the sun to a full enclosed system that uses a heat exchanger to transfer the heat from a liquid that does not freeze to the water.

The system that you decide on depends upon your location. If you live in a warm climate where it never or very rarely has freezing temperatures then you can go wth one of the more simple systems where the sun directly heats the water. The basics of the system include the solar water panel, some pipe and an old water heater. This is my favorite system because you can utilize your old water heater as a backup in case it is cloudy and there is not sufficient sun to heat the water. The old water heater also acts as a storage tank for the hot water and keeps it hot and ready for whenever you need it.

If you live in a climate that sees freezing and below freezing temperatures, you will need to go with a system that uses an antifreeze type of liquid just like your car so the water in the system does not freeze. You would also be wise to utilize your old water heater as a backup for when there are clouds or if the panels are covered in snow. You can also use the old water heater as a hot water storage tank using this method as well.








One of the best thing about solar water heaters is that they do not need electricity to run! This not only will save you money on your power bill but it will also allow you to take hot showers when there is no power! Imagine that there is a storm that comes through while you are at work and the power is out. You will still be able to take a hot shower.

Another advantage to having a solar water heater is that once you have it installed you are one step closer to being off the grid. In my opinion, this should be one of your first things to consider before going off the grid. Before you go and install $30,000 worth of electric solar panels on your house, put a solar water heater up there and start saving right away. It is also more efficient to heat your water with the sun than it is to power your old electric water heater by the electric solar panels you are thinking about putting up. This is because there are always losses with electricity. There will be losses due to heat, wire and electronics. This means that you are better off to heat your water with the sun first. This also means that you can save some money on the electric solar panels because the load that they will need to carry will not be as great. Electric water heaters can typically pull anywhere between 1500 and 4500 watts. This is 1500 to 4500 watts that you will not need to buy solar panels for.








Top 5 tips for using window units

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When summer approaches we all want to beat the heat and the way that some of us go about it is to use window A/C units. These unit do their job and they do it well but there are a few things that we can do to help them cool our homes more efficiently.

1. Check the rating.



Window units are typically rated by the number of BTU’s they can produce. However, most of us, do not have a clue what a BTU is and so the manufacturer’s of window units will typically tell you how many square feet the unit will cool. To find your square footage measure how big your room is and multiply the length times the width. You will want to make sure that you get a unit as close to your square footage as possible.

Most of the time it is better to go over just a little if you will be cooling an area with a kitchen or if you have high ceilings. You want to make sure the rating is close because if it is too small it will run constantly and not cool very efficiently therefore making your power bill higher. If it is too large the room could feel a bit moist since part of the job of the window unit is to dry the air as well.

2. Use fans.

That is right. Use fans to help mix the air in the room that you are using the window unit. This will help you be more comfortable instead of having one area that is hot and one that is cold. Another thing that the fans do as well is give the perception that it is cooler than it is. Moving air in the home can give us the perception that it is up to 3 degrees cooler than is. This means that we can set the thermostat to a higher temperature so that it does not run as much.




3. Use the thermostat.

This is very important but it also depends on the room that you are cooling. If you have one big window unit in the living room that you are using to cool the entire house then you want to find a temperature that is comfortable and set the thermostat and leave it. Now, if you are using a window unit in your bedroom you can set that thermostat higher when you are not in there so that it will not run all day to cool a room that you are not using.




4. Keep the filter clean.

Keeping the filter clean on your window unit can help save you energy when you are using it. When the filter is dirty the window unit has to work harder to move the air. This in turn means that it will take longer to cool the space that you are trying to cool. I know that when I am hot I do not like to wait any longer than I have to to be cool. This will also help your window unit last longer. Because the filter will be clean and the motor will not have to work as hard, the window unit will last longer.




5. Seal the air gaps.

This sometimes seems like a no brainer but I cannot tell you how many times I have had someone complain about their power bill only to find out that they are using a window unit. When I go inside to inspect I see air gaps everywhere. The fan on the window unit not only blows cold air but it sucks air in as well. This air has to come from somewhere and it is going to take the path of least resistance and if that means that it is going to come from around the door where you can see outside then so be it. Go to the hardware store and buy some insulation and some weatherstripping to keep out the drafts. Even tape can help on old drafty windows. Another problem area to address many times is the attic access.

These may be stairs or just an access hole. Many times the seal around these holes is not very good and lots of hot air can come from your attic. If you are not sure where to start with weathersripping and insulation, look at your windows and doors and if you can see daylight (I am not talking about through your glass window panes for you wise guys out there) you can bet that cold air is escaping and hot air is coming in. You can also crawl up in your attic and see if there is insulation. If there is no insulation, start here. You will see a dramatic improvement.

You will be suprised how much better your window unit works after you follow these tips!

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Energy Efficient Home

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So let’s say that you are planning on building a home and you are wondering what you can do to make your home the most energy efficient. What are some of the things that you need to take into account when planning for a more energy efficient home? You want to have a green home but you do not know where to start.

Here are a few tips that you can use when you are planning your green energy efficient home.

The first thing that you need to ask yourself is whether your initiative to go green is because you want to save money or because you want to save the planet. I know this sounds like a dumb question but if you are trying to go green simply because you want to save money then you may want to think about different traditional alternatives. Going green can typically save you money in the long run but the upfront cost may be prohibitive to some. If you are wanting to go green because you want to save the planet and you do not care what it costs you then thanks for helping out the rest of us!

The next thing to consider about building a green home is where you are going to be building the home. In some states there are incentives to using energy efficient materials such as energy efficient windows and appliances. Another factor to take into consideration are the utility rates that you will be paying where you build your home. Often times co-ops have lower rates than municipalities. Also, large energy companies can have cheaper rates and also offer rebates on things like geothermal heat pumps.

Planning is important in the building stages of your green home. You want to make sure that you have the proper amount of insulation in your home. It does not cost much more at this point to add more insulation than is recommended and it will save you in the future. Also, be aware of your eaves and overhangs.

If you are trying to build a green home one of the things that you need to be aware of is that the most expensive appliance in your home is typically your heating and air system. If you can plan ahead and put in extra insulation and plan so that you have no direct sunlight coming into your home during the day in the summer and have direct sunlight coming in during the winter your heat and air will not need to come on and off as often to keep you comfortable.

Green appliances are also a must. Get the highest SEER heating and cooling system that you can afford. Which leads to my next recommendation. Currently for most people it is cheaper to heat, cook and heat water with gas. This may vary depending on your location. If you can put in gas it would be to your advantage.




Another option is out there for heating your home. It is called a water stove and they are becoming very popular. Heating your home and your water can be upwards of more than 2/3 of your power bill. If you have access to cheap or free wood to burn and do not mind a little elbow grease this is a very good way to heat your home and your water.

Water stoves are basically boilers that heat water. They then use a heat exchanger to transfer that heat to the water. Finally, the hot water flows to your hot water tank and heats your home. They are typically installed away from the home because of the smoke and lines are run into the house.

Another thing that you can do to keep sun off of your house is to plant plants that have large leaves that provide good shade. This helps especially on the west side of the house to keep the hot setting sun off of the house.

Which reminds me that you want to make sure that you have south facing windows. These windows will allow sunlight in all year long without the sunlight being too direct.