The main company that uses this technology is Enphase. During evening peak hours, you can rely on your battery to meet all of your energy needs, meaning you never need to buy expensive peak-hour electricity from your utility. Appliances draw a certain amount of Power, this is called Watts. The final source for information was a web forum called SolarPanelTalk.com. With a well-designed system, your solar panels will generate plenty of solar power during the day, and the excess power is stored in a solar battery. My providers for materials was Renvu.com and AltEStore.com. Peak electricity hours are also when the cost of electricity is at its highest. Automatische Erkennung in der FusionSolar-APP. This Huawei LUNA2000 system can store up to 10 kWh of energy and can be . I am sure I could write several more pages, but most of what I would share might be more easily understood via youtube videos. Most of the reduction in costs has been in the area of material costs as labor costs have not gone down. Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. The 6kW system designation is based upon how many kilo watts ( not kilo watt hrs ) the system can produce under ideal conditions. In additional to modules designed for personal vehicles, CALB also produces modules designed for use in passenger buses, light trucks, tractors, rail car, and recreational vehicles. This DC electricity needs to be converted into alternating current ( AC ) to tie into your main panel. But by far the most important decision you will make will be the installer you choose. This 6kW system if placed on a roof in Long Beach on a 30 degree south facing roof with no shading would produce around 10,000 kWh per year which at 23 cents per kWh would result in a savings of around $2,300 per year. Well then this is the section for you. Maybe at the 20 year mark or before I will be upgrading parts of the system. If your panel is older or outdated a new panel capable of adding the extra solar circuit breakers may be required. LUNA2000-5KW-C0: Number of power modules: 1: Battery module: LUNA2000-5-E0: Battery module energy: 5 kWh: Number of battery Modules: 1: Battery usable energy: 5 kWh: Max. Running energy-hungry appliances such as the washer, air conditioner, or electric vehicle charger when electricity prices are at their lowest, could have a big impact on your electric bill. A lease that is profitable for that company and making that company money. Your federal tax bill will go down by $6,300 ($21,000 & .3). Function. I ended up purchasing panels from AltE because the panels I had spec’d for my project were not available from Renvu unless I bought a minimum of 290!!. Well lucky for us the government has a great on-line calculator that takes into account the exact geographical location of your home and the orientation and tilt angle of the panels. This can result in substantial savings. Digital Signature Authentication Mode. Maybe with everything said and done I could have spent 200 hours researching, buying products, pulling permits, installing, testing, meeting inspectors, and completing SCE paperwork. This racking system is aluminum extruded rails which bolt to the rafters of the roof or in my case attached to the standing seams of my metal roof via clamps. The brand I chose was IronRidge xr10 rails. When purchasing a home, a buyer may be financially stressed. If your project is standard your installer will likely be able to get permits the day they go to the building department. This adds to the cost of a system and requires an engineering review and approval due to wind lift loads. Input your address, the system size, direction and tilt angle of the array. During these hours you will experience what is known as ‘peak pricing.’ Peak pricing is where customers pay an additional fee during periods of high demand. My experience is that the solar company will likely want the homeowner to pay a premium for the system to make up for their lost revenue. Most homes will have a daily kWh usage in the range of 20 – 40. consistency. How does the meter running backwards work? Image source: PG&E. In the TOU rates plans, we see that the cost difference between off-peak and peak is pretty large in summer (7-13 cents per kWh) but relatively small in winter (2-4 cents per kWh). I have read that the PVWatts calculator is somewhat conservative by up to 10%. The above $21,000 6kW system in the example produces around 10,000 kWh per year. The best way to avoid Time of Use rates - and even wipe out your bill altogether - is by installing solar + battery storage. Once the system has received final approval from the city you can submit all of the required documents. When leasing I don’t have to worry about maintaining the system. – Net Energy Metering 2.0. 5 kWh. The benefit of the either of the last two technologies (Enphase or SolarEdge) is that shading on one panel does not limit the power production of the entire array, panels can be at different orientations and still on the same string as other panels. Either way free electricity after 6.5 years for the life of the system. However if you have a flat roof or only have a north facing roof to work with it may be advisable to have the panels tilted at a more optimal angle. It's a stackable 5 kWh module with output power reaching up to 2.5kW, which can achieve a maximum possible capacity of 30 kWh. Similarly this is true if you add an electric charging station in your garage. Plus there is always the satisfaction of knowing a job was done right. Add Recharge Requirements for Batteries with a Low SOC. This is the job of an inverter, to convert DC power to AC. Panels basically come in two sizes. CALB USA Inc.5565 Daniels St.  Chino,CA  U.S.A.Tel: 909-591-8881, 909-591-8887Copyright @ CALB USA Inc. All rights reserved. While my system is a theoretical 9.2 kW the actual real world rating is only 8.5kW because the South facing panels are at a low 10 degree tilt which makes them less than optimal and I have a several panels that are East and West facing which produce about 20% less than the South facing panels. While you are charged about 23 cents on average for electricity used, you are compensated only at the rate of 2-4 cents for over production. The nerd section below will get into more details about how to adjust the above example to your needs. The homeowner must now negotiate with the solar company to buy out the balance of the lease. If you’re on a TOU plan, then strategically changing your energy use during off-peak time periods could provide you with money and energy savings. A buyer may not be capable of figuring out the legal and financial ramifications. Stationary Storage Battery Systems: G-10 January 1, 2017 4 a. These are some pretty good numbers. One with at least a 10 year track record. For those interested in a Self Install, My System Details. 60 cell panels which are usually 40” x 66”. Similar to finding out your region’s peak electricity hours, to find out the off-peak hours you need only look at your own routine. : 0133896 Supplier item: Prices plus VAT plus shipping costs request price Compare Add to shopping list Comment Order number: 0133896 CAUTION: Hazardous material according to UN 3480 / Transport hazard class 9 / Packing Group II . Regarding equipment, I would be more concerned with spending money on quality installation and inverters. This can be a big negative depending upon shading. Specific product information for CALB EV Modules. The input and output ports of the LUNA2000 battery are high-voltage direct current (HVDC) ports. CALB cells are reliable, safe, and can be used in a variety of battery applications. It is required that your system have a smart inverter with a built in auto shut down feature. Published On: 2023-05-23 Views: 16240 Downloads: 4348 Document ID: EDOC1100160384. Updated Troubleshooting. While there are varying prices for consumers using electricity, there are also varying prices for utilities producing electricity. If you have or plan on getting an electric vehicle now is the time to adjust. To better manage electric bills under Time of Use billing, you need to understand how peak electricity hours work. Each solar panel is wired in series and connected to the inverter which is often located next to the main panel. Using a home battery solution could also provide you with protection from outages and blackouts. Thermal management system to increase module life-span. There will be many companies or products which will not be around in 10 years. EV Passenger Vehicle:      Professional Battery System: Designed to meet the customer's          project requirements. With that, off-peak hours are also when electricity prices are the cheapest. Huawei LUNA2000-10-S0 (10 kWh) storage module with Lithium-Ion technology Item no. Capacity a. Obviously the more electricity you use the more you will benefit from solar. Another way to save with Time of Use rates is by adding a home battery solution. Solar panels are largely a commodity, meaning that there is little advantage to paying twice as much per watt for a particular panel, as there isn’t a huge variation among Tier 1 brand panels in terms of quality or efficiency. With this billing system, 2 pm is the time when electricity gets more expense. There were also many good videos on Renvu.com and AltEStore.com websites. Over the last several years I had met with a couple of solar panel sales people. One book constantly recommended on the forum was “Solar Power Your Home” from the Dummies series. On a $20,000 system the 30% Federal Tax Credit is worth $6,000. The next best location will be west facing. Note: Even the most advanced . Off-peak electricity: 33-42 cents per kilowatt-hour (kWh)Peak electricity: 40-49 cents per kWh, Off-peak electricity: 28-37 cents per kWhPeak electricity: 30-39 cents per kWh, Off-peak electricity: 34 cents per kWhPeak electricity: 47 cents per kWhWinter costs, Off-peak electricity: 34 cents per kWhPeak electricity: 38 cents per kWh. Under Time of Use plans, utilities will charge more for electricity during peak hours and less during off-peak hours. Your SCE Edison bill will list your average daily kWh’s used right above the monthly bar graph on your bill, or you can log into your account online and download your historical usage. Since I had enough roof space I chose to build my system at the higher end of my needs. Dirty panels can reduce production by as much as 15% and solar panel production can degrade by as much as 1% per year as panels age. 100% Nutzbar (DoD) Jedes Batteriemodul arbeitet unabhängig voneinander. It is a high growth industry with big profits and lots of change. The above $21,000 6kW system in the example produces around 10,000 kWh per year. This is due to both working hours and school hours being very similar amongst households. How many solar panels do I need to maximize savings? I went with Hanwha QCell 72 cell 385 watt panels. Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Estimating the peak electricity hours in your area can be as easy as looking at your own usage patterns. Or 72 cell panels which are 40” x 78”. Although, off-peak hours will often be when homeowners and occupants are out of the house, whether that be at work or school. A question that is likely to be on everyone’s mind, is what is the difference in pricing between peak and off-peak hours? Cameron is a business analyst and content specialist at SolarReviews. LUNA2000 has a modular design of 5kWh, 10 kWh and 15 kWh and parallel-able up to 2 systems for a total of 30 kWh of storage. This system, as an example might be made up of 20 x 300 watt panels ( 20 x 300 = 6 kW). Identify the total quantity of electrolyte per battery in gallons (e.g. The specific hours that qualify the peak hours are not the same everywhere; they can vary depending on where you live, and the time of year. You may also input your electrical costs to determine savings. The premium you pay for using electricity during peak hours will depend on your utility company, and the specific rate plan you have opted for. The second technology is micro inverters. Off-peak hours are when electricity demand is at its lowest, and electricity prices are at their cheapest. In contrast to peak (or ‘on-peak’) electricity hours, off-peak hours are when electricity demand and consumption are at their lowest. What are the pros and cons of solar energy? Off-peak electricity: 34 cents per kWh. The company that manufactures this technology is SolarEdge. Going from off peak rates of 26 cents to on peak rates of 46 cents per kWh. Etc. The new modular Huawei LUNA2000-10-S0 (10 KWH) is a high voltage lithium battery which will be compatible with a wide range of self-consumption inverters especially with the Huawei SUN2000 2-6KTL-L1 single-phase inverters. I have my opinions on different equipment and what are the pros and cons. Receive up-to-date information and news about what is going on in the solar industry, updates on our services and features, and more. 385 V . So, let's take a look at what peak and off-peak electricity hours are, and how you can use TOU plans to save money. Please contact us for additional information! Typical Solar Needs and Costs – An Example. I have seen several instances where leased solar systems do cause buyer resistance. Add How Do I Recycle Used Batteries?. Equipment failures are covered by most manufacturers 10-20 year warranty and if you are careful in the selection of a good local installer, they will stand behind any problems that arise. 60 cell panels will range in power from 250-330 watts and 72 cell panels will range in power from 320 – 400 watts. This may be limited by roof layout. The system will then pay for itself in about 6.5 years. These are the lightest guage rails made by IronRidge. But wait!… If you pay for the system yourself, even if you finance the system, YOU get the 30% tax CREDIT. North facing won’t work, but east and west facing will, there will just be about a 20% reduction in panel production. Here are some rough numbers for a homeowner with a $220 monthly SCE bill. Grid Tied System – The above 6kW system would be what is called a “Grid Tied” system. LUNA2000 is a high voltage battery, rated to IP55 and is easily configurable via the Huawei . SCE does allow you to overbuild your system if you plan on using more electricity in the future. Multiply last years daily average by 365 days and you will have your total kWh’s used for the year. Huawei LUNA2000-10-S0 Batteriespeicher 10 kWh. Solar Panels will last 20-30 years and their production shouldn’t degrade by more than 1% per year. But this also means that it is an industry in flux. Solar panels produce direct current ( DC ). Energy usage patterns among a community are usually pretty consistent. Dirt can reduce efficiency by as much as 15%. Unlike a standard electricity plan where you pay the same rate for electricity regardless of the time of day, Time of Use (TOU) plans vary the cost of electricity throughout the day. What are peak and off-peak hours for electricity? When you purchase you do assume all of the risks but also reap all of the benefits as well. While I didn’t have shading to contend with I liked the idea of panel level monitoring. Peak electricity: 38 cents per kWh. Let’s say we had either ten 100 watt light bulbs or a 1,000 watt hair dryer. Which certainly are a great source of information. There are three inverter technologies used for solar systems. Please provide your e-mail address to receive periodic newsletters from CALB with information about our products and company! Or your investment will return 15.6%. Thermal management system to increase module life-span. I have broken this article into general guidelines for the average consumer followed up by my nerd section for those who like details. Only areas of extreme wind/snow or weather conditions would you need heavier gauge rails. So over production isn’t cost effective. For the nut like myself that decides to do a self install, Renvu also was able to provide me with complete plans to get through the permitting process as well. My concern with leasing solar panels is the length of the lease, often 20 years. The website is PVWatts. You will need a racking system to attach the panels to the roof. I found Renvu’s website to be exceptional as it assisted you in a complete materials list and quote for a job. I thought I would share what I learned. As a reference, here are the standard peak periods in different time zones. Installed solar systems in SoCal are costing about $3.25 – $3.50 per kW. Buy or lease. ‘Peak electricity hours’ refers to the specific time of day at which electrical consumption is at its highest, and electricity rates are their most expensive. CALB USA Inc. is a leading provider of high quality lithium-ion batteries. With 2 months of performance data, my system is performing about 8% better than projections. A quick survey of your neighborhood will easily reveal 3-5 recent solar installations. The newness of solar technology has us falsely believing we need to have an intermediary help maintain a solar system. The third technology is power optimizers. In the above example the system pays for itself in 6.5 years. BMS of high accuracy for real-time detection and protection. In the TOU rates plans, we see that the cost difference between off-peak and peak is pretty large in summer (7-13 cents per kWh) but relatively small in winter (2-4 cents per kWh). A much better pay rate than my music career, ha!!! BMS of high accuracy for real-time detection and protection. This does however highlight the payback timeframe. Maybe you have been similarly confused. And finally if you don’t feel like wading through hours of videos and books and have questions about your home, we invite your call. If your panels go on more than one roof orientation, ie some panels on a south facing roof and some on a west facing roof, you may have to run separate PVWatts calculations to determine the power production from each location (array). LUNA2000-4.95-15. Before settling on your system needs make sure to consider replacing old appliances that may be inefficient and upgrading all light bulbs to LED. These off-peak hours are only relevant for weekdays, as energy usage patterns tend to be very different on weekends. Another assumption is that your roof is in good working order and panels can simply go over the top of your existing roof. If your roof is towards the end of its lifespan, you may consider putting on a new roof before installing the panels, as removing the panels and reinstalling them will add to the cost of your new roof. Here are the standard off-peak electricity hours for different time zones. Issue 09 (2022-03-01) There are other things that I have no interest in learning. System Sizing – What is the right amount of solar. . Yet refrigerators are more likely to fail than solar panels. The EV Bus Module was built with CALB's advanced Lithium-ion technology and provides users with superior charge and discharge capabilities for many years of usability. Identify the concentration of each chemical in the electrolyte (e.g., 12.5% sulfuric acid). 3.8 gallons per battery). This excess summer production can then be used back during shorter winter days. Diagnosing problem panels is also much easier as these two technologies has panel level reporting. Lithium iron phosphate (LiFe battery) Output (DC) Rated voltage. The ideal location for solar panels is South Facing at an tilted angle of 35%. The SCE bill the right is mine and the PVWatts projection is based upon my system. As recently as 2010 solar costs were about $7.5 to $8 per installed kW. Balancing system to automatically adjust batteries for battery          consistency. When you’re using the most electricity, it’s likely that your neighbors are as well. Certainly by then, technological advances will be on my side. All rights reserved. Changing your usage patterns by shifting your electricity use to off-peak hours is a great way to save money using TOU rates. So your actual cost for the system will only be $14,700. It is as simple as getting references from your neighbors. Keep in mind that weather will greatly vary from month to month. Is it better to lease or buy solar panels? The Huawei LUNA2000 10kW home battery is a high-density lithium iron phosphate (LFP) battery that provides reliable and efficient energy storage for homes and workplaces. © 2012 - 2023 solarreviews.com. This is why utility companies introduced time of use rates. They will not offer you a price based upon it’s true depreciated value. Then the panels clamp to the rails which runs horizontally across the roof. For years electrical usage has been growing, but in the last 5 years there have been big improvements in electrical efficiency . It has a 10 year guarantee and is configurable with the latest generation of Huawei Hybrid Single and Three Phase Inverters. The cost of panels today is about 1/3 of the cost 10 years ago. 10 kWh. So then how do you calculate or estimate how many hours the system is up and running and how many kWh are produced over the course of a year? If you are having the system installed this is something your installer should do. Time of Use rates - otherwise known as TOU rates - are a type of electricity billing that varies electricity costs based on the time of day it is being used. Google PVWatts or go to https://pvwatts.nrel.gov/ . While I don’t have an exact answer, my joking response was that for every hour a professional installer would spend on an installation, it took me 5 hours of installation time. If we ran either of these items for 1 hour then we would consume one kWh (1000 watts * 1 hour) of Energy and SCE would charge us about $.23. I found this project to be exciting and rewarding. The money saved however is not really the point. c. Provide a copy of the battery manufacturer's hydrogen evolution The only maintenance your solar panels may need might be cleaning dirt off them to maintain their efficiency. Those with medium to larger electric needs and those with a free space on a preferably unshaded southern facing roof. Either way the ROI on todays prices certainly makes solar more viable than just 9 years ago. – I chose to buy my system rather than lease. My project had two items that kicked it out of the standard express permitting process and required engineering review which added 30 days to the process. If the SCE grid goes down your solar panels automatically stop producing. 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It can store and release electric energy based on the requirements of the inverter management system. Then every year on your anniversary date, your usage resets and you are charged for your net usage for the year or issued a check for over production. California has put in place an express permitting process for Solar Panel installation. Or a 15.6% return? Those variations were a standing seam metal roof and a center feed main electrical panel. West facing panels will produce more of their daily energy during this expensive rate period and would be preferable to east facing panels even though total daily energy production will be about the same.