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Your PG&E Bill After Going Solar

Here’s How to Understand Your PG&E Bill After Going Solar

By How Do Solar Panels Lower Your Electric Bill? No Comments

For residents of California who are customers of the Pacific Gas & Electric (PG&E) company, one of your biggest questions before you decide to switch to solar is what a typical electric bill would look like once your system is installed. Your monthly electric bill will vary from the utility company to utility company, so in this post, we will look at a solar electric bill from PG&E.

Understanding what your future bill looks like is important for any prospective solar panel owner because the primary purpose of adopting a solar system for many is the monthly savings they can receive on their electric bill.

Monthly Statement

Each month you will receive an energy statement from PG&E that shows you how much money is due. The total cost that you must pay for that month is only the minimum delivery charges.

Other charges in your bill such as charges for your electricity use and net energy metering (NEM) balance will be accounted for in your annual True-Up Energy statement. This report shows you your year-to-date charges and credits for NEM and will have you pay a balance if you used more electricity than you produced for that year.

Net Energy Metering (NEM)

For homeowners that install a grid-connected solar panel system, one of the biggest values that they can take advantage of is net energy metering. NEM allows you to earn energy credits for the excess energy that you produce with your solar panel system.

These credits can then be put towards an equal amount of energy that you used at a later time. This is especially useful for when homeowners are generating a significant amount of energy during the summer and they want to use those credits during later months when they are producing less.

On your PG&E electric bill after going solar, there will be a section going over your monthly NEM balance. This gets added to your entire balance that gets paid with your annual True-Up Energy statement.

This part of your bill also displays your energy usage during peak and off hours. This relates to PG&E’s time-of-use (TOU) payment structure, where the rate for electricity varies throughout the day. Any negative numbers come from excess electricity being generated that month.

There is also a state-mandated charge of $7.86 no matter how much electricity you consume.

This charge, coupled with the NBC Net Usage Adjustment make up the minimum delivery charges that must be paid each month. This is why it is never fully possible to pay zero dollars on your electric bill, however you can earn money from your annual True-Up Energy statement if you produce more energy than you consume over the year.

The minimum delivery fees are necessary to keep your solar panel system connected to the grid and to allow you to continue using PG&E’s solar services.

NEM Balance

nemchargeYour NEM balance relates to the annual True-Up Energy statement where you pay all of your cumulative charges for NEM. You can minimize this balance by saving up credits and minimizing your own electricity consumption.

For instance, in the image above, the solar customer currently owes PG&E a positive amount from the winter months. However, this is on a downward trajectory as the customer approaches summer and the array begins to produce more electricity.

nembeforetaxes

In addition, you will receive a graph of your NEM charges before taxes, which also shows you month-by-month performance, rather than a cumulative total. This gives you a better idea of which months you are negative and are producing more energy than you are consuming.

performance

Lastly, you will be able to see your day-by-day performance. In the above image, you can see the overall amount of kilowatt hours (kWh) being consumed or produced. Whenever there is a negative value, that means the homeowner was able to generate more energy than what they used. Check this video to know more about kilowatt hour.

Your average daily use is also displayed in this section of your PG&E solar bill.

Flexibility and Opportunities to Save

PG&E offers a billing structure that allows an energy consumer to optimize their production and consumption of solar energy so that they can minimize their electric bill. From PG&E’s TOU payment structure to their NEM payment model, solar panel owners in California have a lot of flexibility in how they manage their energy use.

If you are a PG&E customer, solar could be a great option for you. When you are ready to move forward with your solar project, get started with one of our personal Energy Advisors here at Solar.com!

Why Are Solar Panels Blue?

By Solar Panel Installation Process No Comments

If you have ever driven through a residential neighborhood in states like California, Arizona, North Carolina, or any of the other top states for solar, it is likely that you have seen the stereotypical blue solar panels covering some of the rooftops. Blue solar panels are very common for several reasons, but they are not the only color that a solar panel may come in.

The color of a solar panel is largely based on the way in which the solar module is manufactured.

Monocrystalline and polycrystalline solar panels are the two main forms of consumer solar panels and vary in color from either blue or black. Both of these types of solar panels use silicon as the conductive material, but the way the silicon is treated and molded into the solar cell is quite different.

Check out this video to find out the difference between mono and poly crystalline solar panels.

In this post, we will take a look at each type of panel and see why they take on the color they do.

Polycrystalline Solar Panels

Polycrystalline solar panels are the more common, blue colored solar panels that have been widely popular for over a decade in the solar market. Polycrystalline solar panels are manufactured through a process where silicon is melted and poured into a mold. This leads to a solar cell that is made up of several silicon fragments.

The name of these panels comes from the fact that they include many (‘poly’) silicon crystals, whereas monocrystalline panels only include one (‘mono’) silicon crystal in each cell. The reason why this form of the solar panel is much more popular than monocrystalline panels is that they are cheaper to manufacture.

One drawback of the polycrystalline solar panel, however, is that is less efficient. This is a result of the solar cell being packed with numerous silicon crystals, which limits the space available for photons to travel through.

The blue color of a polycrystalline solar panel is a side-effect of both the way the silicon crystals reflect light, as well as from the anti-reflective coating that the panels are treated with.

Monocrystalline Solar Panels

As was touched upon earlier, monocrystalline solar panels make use of one silicon crystal within each solar cell in the panel. The manufacturing process for monocrystalline panels requires more work, and as a result, it is more expensive to produce these units.

The production of monocrystalline solar cells involves the Czochralski process, which in this case is a method used for growing single silicon crystals. This is accomplished by slowly lifting a silicon seed crystal out of a dish of melted silicon. As you lift it out, it slowly forms one larger crystal. These are then cut into squares which are used in the monocrystalline panel as a solar cell.

Monocrystalline panels are black as opposed to blue and are more efficient for a couple of reasons. First, the black is a color that naturally absorbs more light than blue, and secondly, there is more space for the photons to travel through with one silicon crystal in each cell.

Sistine Solar Skins

Sistine Solar Skins change solar panel colorSistine solar skins are a relatively new technology coming out of an MIT startup. Their patent-pending technology allows you to change to look of your solar panels to anything you want. These solar skins do not fundamentally change the color of your solar panels, but they do offer a solution for consumers that are looking for something outside of the traditional blue or black color.

This is actually a much bigger issue than one would assume, considering the Department of Energy estimates that there are 13 million homes across the country that decide not to adopt solar because of the appearance of the panels. Solar skins are a great way to address this problem.

Blue Beginnings

It is true that the majority of solar panels you will see around the country are blue in color, which is a result of their cheaper price and wider availability, but there are also other options if blue is not your thing. With black monocrystalline panels, solar skins, and even solutions like Tesla’s solar roof, there will soon be an option for everyone.

If you are looking to get started on your solar project, you can connect with one of our experienced Energy Advisors today!