Seraphim: Jackson, MS (U. At Solahart Far North Coast, we can help you future-proof your home’s energy needs. Skip to navigation Skip to main. Electricity from the grid (or your solar PV system) will only flow through the one active wire, while the neutral wire is connected to the earth at the switchboard. 05 (II) Wholesale in pallet 30 panels. 72 per Watt for panels purchased through a full-service solar company. Solar Electric Supply, Inc. 497 sq feet available for solar panels Based on 3D modeling of roof and nearby trees $18,000 savings Estimated net savings for roof over 20 years Check my roof Area-wide solar potential Search for a city, state, or zip code to see solar potential and impact across entire geographic areas. Solar Panel East Ballina, January 30, 2022 So far, the tariff has resulted in an increase of 16 cents per watt for the average consumer, which means a total increase of $ 960 for a six kW system, according to EnergySage. 3kW: $10,000 – $15,000. Stralis Energy have completed many large scale projects right across NSW and QLD. 25-Year Product Warranty on materials and workmanship in. Thin-film solar cells are made from amorphous silicon, which makes them the most flexible solar panels but also the least efficient. com. 5 peak sun hours per day can produce around 1. Reach out to us on 0459 512 601 to join Simplifying the “Going-Solar” Process. Electricity & gas. Download. Solar power explained. 46. For 70 years, Solahart has been Australia’s solar pioneer, helping Aussies save on energy bills with our innovative smart solar solutions. The cost per watt is the price for each unit of energy the solar panel system. And we’re just getting started. 36 kWh of solar energy per kW installed on average per day throughout the year. Department of Energy. Add to Compare. Located in Casino, we service clients in Lismore, Ballina, Kyogle, Bangalow, Wollongbar, Wardell, Lennox Head, and surrounding areas. ,. Arlec 200 Lumen LED Solar Sensor Floodlight. Add to Compare. Col Groves Solar & Electrical. Because a monocrystalline cell is composed of a single crystal, the electrons that generate. If you are in the Southern California area and are interested in picking up an order or just coming in to say hello, please give us a call at 888-899-3509. Integrated hardware and simple design achieve this by securing the panels close to your roof and to each other for a minimalist aesthetic. The national average for solar panels costs about $16,000. The purpose of. Solar panels. Q CELLS: – Most popular solar panel brand. Re-roofing, gutter protection, roof extensions—whatever aspect of your home’s roof needs attention, our team will provide affordable solutions. 44,000 to Rs. On a cost per watt ($/W) basis, a solar panel installation in Michigan ranges in price from $2. Electricians & Electrical Contractors, Lennox Head, NSW 2478. See how New York compares to solar panel costs across the U. Tweed Heads 6 Sunshine Avenue, Tweed Heads South, NSW 2486; Gold Coast Level 13, 50 Cavill Avenue, Surfers Paradise QLD 4217, Australia; Brisbane 52-54 Nestor Drive, Meadowbrook, QLD 4131Install the metal racking system, following manufacturer instructions. Government planning overlays & zones. Cell Type Monocrystalline. Open 24 Hrs. How much this is actually worth depends on how much you pay for power and how much solar power you send to the grid. 1. Solar panels. The Phone. Rated Power Output 325 W. For 330 Solar Panels in Ballina call us today. Similar to comparing dollars per square foot when shopping for a home, $/W helps standardize the cost of solar by showing the cost of solar on a per watt basis. 5 kW DC system working an average of 5 hours per day, 365 days a year, it’ll result in 10,950 kWh in a year. See full list on energymatters. You should narrow down to the top three best solar companies in Kenya. SAE Group has switched many homes and businesses along the Northern Rivers, to the sustainability of solar. Therefore, these grid-tie inverters have much smaller power ratings — just enough to convert a single solar panel’s DC power into AC power. Solar panels harness the sun's energy to generate usable electricity. However, some solar panel systems can run more than $35,000. To get an accurate BER assessment you need to give your assessor safe and clear access to all areas of your home. Postcode 2478 Solar Power Statistics. Using absolute top-end gear – such as Sunpower Maxeon panels – will increase costs above the upper-end price ranges. S. Solar Panels Ballina in County Mayo is one of our top solutions and can reduce your carbon footprint whilst also saving you up to 50% on your annual energy bills. First, solar panels can use both direct and indirect sunlight. Using. Get home solar in Ballina with $0 Down! Save up to 70% on bills. Home;3 Fig Tree Place, East Ballina. This type of solar panel can be more expensive but converts the sun's rays to solar energy with the highest efficiency rating, compared with polycrystalline or thin-film panels. 63kW System with 17x 390w Seraphim panels. What is a solar panel system? A solar panel system is an inter-connected assembly, (often called an array), of photovoltaic (PV) solar cells that (1) capture energy emanating from the sun in the form of photons; and (2) transform that solar energy directly into electricity. Voltage (VOC) 40. Sort By. HQST HQST 400 Watt Monocrystalline Solar Starter Kit with 30 Amp Controller. Research nearby properties to 28 Ballina Road Lismore NSW to help understand the property value, history and real estate market. 23% off. Trina Solar Panels. Get smart, Get Solahart. 300wax sunflex. There are advantages to having high efficiency solar panels, especially if you have limited roof space or shading that inhibit your energy production. Premium Solar Ballina's Commitment to Sustainability Beyond providing sustainable energy solutions, Premium Solar Ballina is dedicated to environmental stewardship in all aspects of its operations. More info. If you have a standing seam metal roof, your installer can attach panels using a mounting system that clamps onto the roof's seams without making any holes. Up to Gold Coast and surrounding areas in. Schedule a virtual consultation with a Tesla Advisor to learn more. Property data for 3 Spinnaker Cres, West Ballina NSW 2478. Ballina, NSW is in the 2478 postcode area which has around 6182 solar installations under 10 kW and about 6507 total installations including large scale solar. Ballina, NSW is in the 2478 postcode area which has around 6182 solar installations under 10 kW and about 6507 total installations including large scale solar. Unit 1. This page highlights are best current offers on solar panels, battery storage and solar hot water systems in Ballina and the Far North Coast region. 3 kVA Grid Tie Solar inverter (Single / Three Phase) 10 nos Modules of 320Wp each. 50/W. The solar panels can be divided into 4 major categories: • Monocrystalline solar panels. Updated on 15 August 2023. 75 and $3. Occupants. based on 163 ratings for Solar Panel Installers hired through hipages. 50 Add to cartCharlie Clissitt. Property data for 3 Spinnaker Cres, West Ballina NSW 2478. Rebates for installing solar panels in NSW. The most common form of solar. I love my new solar system and am glad I chose Solar Tek" Debbie Fowler Ballina "Great Service, good price and really easy to deal with. Our Day-Night Kit and exciting new Sunline System enable you to simply and seamlessly alternate between power from the solar panel and the grid – either automatically or on demand. Below are our top-rated solar panels in the 300-watt size class. Buy online, in-store or click & collect today!Short term solar installations at a number of sites including a further 130 KW of solar PV installed at Council’s Works Depot and Waste Management Centre in 2021; Solar panels installed at the Ballina Byron Gateway Airport on shade structures over the carpark in 2022; Development of a solar strategy for all sewage treatment plantsOur full solar inverter range of single phase inverters, three phase inverters and accessories consists of stock from leading, innovative manufacturers including Huawei, Growatt, Trannergy & Sonnen. 1. Solar Technology Australia (STA) is an award winning solar specialist, marine contractor and supplier of Aids to Navigation as well as being a high-end electrical marine contractor. 1. NRG Panel are the leading national Solar Panel company in Ireland. East Ballina Solar Power Systems. Upgrades to existing systems. 1 and Sept. 34 of the best Solar Power Systems in Ballina NSW! Read the 36+ reviews, find payment options, send enquiries. Switching to solar can be simple with brand-name products and friendly, knowledgeable support. This means that in Ballina a 10kW Solar Power System . 99. With two separate living areas and a central renovated kitchen, there is a lovely flow to the home and a peaceful garden view out of every. Open Today Today 24 hours Open 24 hours. Ballina, New South Wales is located at a latitude of -28. Contact us on 0459 512 601 for bookings. Panasonic Solar: – Best for warm climates. East Ballina, New South Wales is located at a latitude of -28. The company has developed and built a number of large-scale solar projects around the world, including a 300 MW solar power plant in Brazil and a 200 MW solar. You generate 2,800 units annually. Both brands are known for their affordability and unwillingness to compromise on. 625 to $0. Get sold price history and market data for real estate in West Ballina NSW. Call 0419. For the highest standards of Benq Solar Panels available then give us a call today. Once the panels are mounted, we’ll install a state-of-the-art monitoring system, allowing you to track your energy production and consumption with ease. Assess Your Solar Potential. 10 – $3. S. Urja Saur Electronics. Solar installation in the Ballina area is our specialty, we are experts in solar system design and installation. At Lewis Solar and Electrical, we design and install off grid solar systems in Ballina and surrounds. A UCC-1 Lien or Fixture Filing is present in all leased and PPA agreements. 10 kW: $8,000 – $13,000. • Thin-film solar panels. 50. TATA POWER SOLAR SOLUTION 4. Solar installation on the Ballina Solar panel installation from Tesla Electrical & Solar. Solar Panel Efficiency explained. Of the residents that did. If your suburb is not listed, please contact us to confirm you are within one of our service areas. Last call for Nominations - 2024 Ballina Shire Australia Day Awards 22 November 2023. DIAMOND. Request a proposal We understand that no two rooftops are the same. REC: Best Availability. Options include: Monocrystalline: - The most popular, most efficient, and most expensive option. 18 solar panels and drive through garage to name a few. $447. 2kWh per day. This 3 bedrooms 2 bathrooms Rural is for sale on realtor. With two separate living areas and a central renovated kitchen, there is a lovely flow to the home and a peaceful garden view out of every. Get quotes from those three or four companies at the top of your list. Being based in Ballina, NSW majority of our work lies in Northern NSW and Southern QLD. As at August 2022, East Ballina solar power installations have taken place on 6,895 homes (postcode area 2478). 99. The Ballina shire council is considering buying electric cars as part of its fleet replacement strategy. Solar panel, a component of a photovoltaic system that is made out of a series of photovoltaic cells arranged to generate electricity using sunlight. NRG Clean Power does not offer leases or power purchase agreements, but they do provide solar panel cleaning and roofing services as well as a reliable equipment menu. By specific suburb. Earth > Australia > New South Wales > Ballina Solar Panel Angles for Ballina, New South Wales, AU. Cave Electrical & Solar. Put on gloves and safety goggles. Groves Col Electrics Pty Ltd Solar Energy - Ballina, New South Wales, 2478, Business Owners - Is Groves Col Electrics Pty Ltd in Ballina, NSW your business? Attract more customers by adding more content such as opening hours, logo and more. Commercial and residential LED lighting solutions. Ft. 2460 GRAFTON. Thu 24 hours. Book today on (02) 6662 2097. Solar panels, also known as photovoltaics, capture the sun's energy and convert it into electricity that you can use in your home. Get Home Solar Panels Installed In Ballina With $0 Down. 52kWh per day. 3 bedroom house for sale at 50/1 Riverbend Drive, West Ballina, NSW 2478, $629,000. We also always recommend. Ballina Byron Family Day Care believe in a nurturing, natural home environment to foster a warm and caring relationship within an intimate small group. Call Patrick on 0425256802 for all your solar PV and storage needs! Juno Energy is a regional solar project manager based in Byron Bay serving a catchment of about 225,000 people mainly in the Byron, Ballina, Lismore, Tweed Shires of Northern NSW. Criterion 3: Bloomberg Tier 1. Peak Duo is no exception. Enhance your standard of living by embracing solar power with assistance from a Ballina Solar Electrician. Free, Instant Solar & Battery Quote Comparisons. New and used Solar Lights for sale in Yamba, New South Wales on Facebook Marketplace. Talk to us today for a free inspection and quote for your house. Rely on our decades of experience to guarantee a reliable and efficient solar power system. Energjia Diellore. Tax incentives. Lismore’s got one and now Ballina wants one too. $395,000 - $425,000. Visit the Northern Rivers largest solar showroom, come in check out the latest in solar technology and get honest, personal local advice from one of our renewable energy experts. Cables & Other Accessories. DC/Charger Volt Compatible — 48v,. 95 $174. On a cost per watt ($/W) basis, a solar panel installation in New Jersey ranges in price from $2. Download free BIM objects for electrical including electrical - solar panels as Autodesk Revit families. Lewis Solar and Electrical is your go-to for solar panel maintenance services in Ballina and surrounds. Toll Free: 877-297-0014. One of our friendly Ballina team will be happy to help and can answer any of your questions and provide you with your FREE, no obligation quote. Working With Children Check. au Rated 4. 3. the only draw back was essential energy took weeks to approve our grid application, but 888 solar tek always kept us up to date through the process" Solar Power in Northern Rivers NSW Solar Generation. 73 Kerr Street, Ballina, NSW 2478. In stock, 4 units. Premium PERC solar cells have an extra layer within the back side of the cell. One of our friendly Ballina team will be happy to help and can answer any of your questions and provide you with your FREE, no obligation quote. Jim, 3 days ago. S. Energy from the system, mounted on the south-facing roof of a single-family dwelling, can power a heat pump, displacing 54 per cent of the home’s heating load, or. We help residents & industry transform energy systems for a smarter, cleaner future. They have two U. S. Ballina Shire Council has committed to 100 per cent renewable electricity operations by 2030. 34 of the best Solar Power Systems in Ballina NSW! Read the 36+ reviews, find payment options, send enquiries and so much more on Localsearch. This is based on an average of 64,557 kWh of energy production a day and retail electricity costs of 20c per kilowatt-hour. 00 Add to cart; Contact Details. The Seraphim SRP-670-BMC-BG is the best for power. Since 1953, we’ve been the trusted name in Australian solar, installing over a million solar hot water systems in over 70 countries, and over 700,000 solar power panels in Australia. Solar panel system size of 4 kilowatts (kW), an average solar installation in Ballina ranges in cost from €8,500 to €11,000, with the average gross price for solar in Ballina coming in at €9,990 after €2,400 SEI Grant. Solar panels will reduce your electricity bills by 70%, on average. 76kWh per day in good conditions. Says Rob: “I had a 6. With a temperature coefficient of -0. Solar Systems Ballina NSW 2478 Call Us Solar in Ballina We’ve Got You Covered 888 Solar Tek provides quality solar systems to homes and businesses throughout Ballina. The best way to estimate how much a solar installation will cost you is with EnergySage’s Solar. This financial incentive comes in the form of Small-Scale Technology Certificates, more commonly referred to as. 3 people. 31 Piper Drv, Ballina NSW. With an estimated 14383 households in the. Install the Panels. Since they produce less energy, you’ll need more panels to meet your energy needs. As with any type of power plant, large solar power. Stralis. solar power kits. Showing our latest reviews. Rest assured our environmentally friendly cleaning methods will not only leave your solar panels sparkling but working to their maximum efficiency. And the amount of electricity you need from your panels depends on your energy usage. SunPower (Maxeon) – Best overall. The average rooftop in. Our friendly, well trained electricians are. Sold out. These properties from Wal Murray & Co First National - Ballina are shown based on the property type and distance to this listing. The. Hot Deal. This non-profit community based Family Day Care Scheme is sponsored by a community based Management committee. However, according to the Solar. At Solahart Far North Coast, we can help you future-proof your home’s energy needs. This solar panel combines high efficiency mono PERC cells with Half-Cell and 10-Busbar technologies to improve the electrical performance and power output of your solar array system. If you’re looking to upgrade your switchboards, give us a call or fill in the form for a free quote. Improved material availability and reduced toxicity. Electricity & gas. Use the EnergySage Marketplace to see how much you can save with solar. The range is smaller and lighter than a comparable wattage portable glass panel. 6 Broadwater Pl, West Ballina NSW 2478. 75m Lift Height, 300 L/hr 189. Our technicians are highly trained and certified in working at heights. $395,000 - $425,000. A solar panel system in Northern Rivers region, including Tweed Heads, Byron Bay, Ballina, Kyogle, Lismore, Casino and Grafton, which is installed with good access to the. Measure, stretch and cut the tab wires. 4）Entire module certified to withstand high wind loads (2400 pascal) and snow loads(5400 pascal);. On average, monocrystalline solar panels (the most energy efficient option) cost between $ 1 and $ 1. 3. One of our friendly Ballina team will be happy to help and can answer any of your questions and provide you with your FREE, no obligation quote. Install A Rheem. Solar Panels (7Kw) means low overheads! Wide doorways and ramp ready for wheelchair access if required. Get sold price history and market data for real estate in West Ballina NSW. We specialise in the design and installation of off grid solar systems that will go the distance. 0113 385 0600. Energy production required = 49. Step 4. Disconnect the wire of the breaker you’re removing from the load terminal. Sun AP Ecopower. 8627985, 153. Department of Energy is supporting various efforts to address end-of-life issues related to solar energy technologies, including the recovery and recycling of the materials used to manufacture PV cells and panels. One of our friendly Ballina team will be happy to help and can answer any of your questions and provide you with your FREE, no obligation quote. SAE Energy completed level 2 electrical works and civil works efficiently, creating ease of project management. Get home solar in Ballina with $0 Down! Save up to 70% on bills. Fixed tiltKey takeaways. Open 24 Hrs. It’s sunny times for solar power. Get your quote today. As a comparison there are roughly 148143 small solar installations in greater Brisbane. Shut off the main circuit breaker. Sort by. 8 kWh of electricity per day and 54 kWh of electricity per month. A key component of this ambitious target is the ongoing roll out of solar power across Council facilities. Solar panels produce electricity when the sun is shining, so they are well suited to homes. Gardel Electrical & Solar is recognised as an industry leader in designing, installing, and maintaining solar systems for both residential and commercial properties in Queensland. 3 people. Q CELLS: – Most popular solar panel brand. S. Both sizes are suitable for home solar systems, so choosing the right size will come down to your. Rated 4. The average cost of a residential solar panel installation in 2023 ranges between $18,000 and $20,000, before applying tax credits or other incentives that may be available where you live. On a cost per watt ($/W) basis, a solar panel installation in New York ranges in price from $2. power distribution. Fabulous open plan kitchen with ample bench space, large pantry & dishwasher. Department of Energy, 16 companies build solar panels in America. We are providing solar power services for fifty years at a very cheap rate and high-quality services. Home and business owners typically purchase solar panels through solar companies, which are certified to deal and install products from top manufacturers. On Earth, we harness and convert solar power from the sun into usable energy using photovoltaics or solar thermal collectors. Innovative Technology Shop our incredible range of solar panels and solar blankets from Projecta. Earth > Australia > New South Wales > Ballina Solar Panel Angles for Ballina, New South Wales, AU. First Solar, based in Ohio, is the largest U. 40kWhs of solar energy over the course of a year. au. 5c per kWh, SSE Airtricity & Electric Ireland will pay 14c per kWh, Energia will pay 18c per kWh and Bord Gais will pay 18. Call 0459 512 601. Earth > Australia > New South Wales > Ballina Solar Panel Angles for Ballina, New South Wales, AU. Give us a call at 877-878-4060 to customize a system design to fit your needs. Col Groves Solar & Electrical. Explore Our Services. Getting the right professional in for the job can be the difference between a professional and efficient system and a half-hearted job that only lasts a few years. They have the highest efficiency rates, ranging from 17% to 22%. Solahart pioneered solar water heating in Australia in 1953. Federal Review Deprives Ballina Shire of Vital Bruxner Highway Upgrade 17 November 2023. Drita e diellit, ose energjia diellore, mund të përdoret direkt për ngrohjen dhe ndriçimin e shtëpive dhe bizneseve, për prodhimin e energjisë elektrike, dhe për ngrohjen e ujit të nxehtë, ftohjen diellore dhe. The average American home needs between 15 and 19 solar panels based on the average electricity usage of 893 kilowatt-hours (kWh) per month. See how California compares to solar panel costs across the U. Best Value: Grape Solar GS-M60-300-US 300-Watt Solar Panels. Average rating of Solar Panel Installers servicing Ballina. As suppliers and installers of solar hot water, solar power, battery. Adjust energy details: Energy type. 3kW. The savings you realize will depend on the overall cost of. Go Power! 130 Watt Portable Solar Kit ID: GP-PSK-130 $ 696. Due to the many advances in photovoltaic technology over recent years, the average panel conversion efficiency has increased from 15% to over 22%. 3m Lift Height, 250 L/hr 125. We service areas all around Ballina including: LOOKING FOR SOLAR PANELS BALLINA, COUNTY MAYO? REDUCING YOUR ENERGY BILLS BY UP TO 50% PER ANNUM. How long does it take to earn back your initial investment in solar panels?You might notice that solar panels come in different sizes. Rich Solar 6000 Watt Off-Grid Hybrid Split Phase Solar Inverter 120VAC/208VAC/240VAC $1,529. Harness the power of the sun and embrace renewable energy solutions with SAE Group, your trusted provider of solar power system installation services. If you are looking for a local solar installer to install or service your solar or battery storage system, use our tool below to find a Clean Energy Council accredited installer near you. If you have a roof of area 500~700 Sq. Here are our top Ballina Solar Repairs with reviews & ratings. Unique Rooftop Stainless Steel Tanks Available. Mon 24 hours. One 350W solar panel costs £786, on average. TATA POWER SOLAR SOLUTION 3. Wed 24 hours. Solar panel installations in Ballina. High efficiency panels can increase your power output per panel, allowing you to create. Solar Energy, Ballina, NSW 2478. Well your power bills are going up on average 10% each year Australia wide where as a payment plan will remain the same throughout the life of the contract with green loans usually offering absolutely no early settlement costs should you wish to pay the final balance sooner. Just eight years ago, a 3kW system would cost you around $40,000, while today the same system could be installed for less than $9,000. Yes. Get Quote Read More » Solar Panels, Solar Batteries & Solar Hot Water As your local authorised Solahart dealer, Solahart Far North Coast is proud to installsolar panels, batteries and solar power systems in Ballina and surrounding areas. We’re your long-term Solar Energy partner. They capture sunlight and convert it into electricity to be used in your home. Learn more about solar panels further down this page or at our DIY Solar Resources Library. Call 0459 512 601. In a quiet cul-de-sac with a north facing back yard capturing cool breezes, this immaculate property located in ever popular East Ballina offers space, location and lifestyle. 3 Fig Tree Place, East Ballina, NSW 2478. The solar tax credit is a 30% credit on solar panel systems bought from the beginning of 2022 through 2032. 117/1 Riverbend Drive, West Ballina. Criterion 2: Efficiency. Get sold price history and market data for real estate in West Ballina NSW. Durability of quality components chosen for the solar power kit. The three main types of solar panels are monocrystalline, polycrystalline, and thin film. For the highest standards of Solar Panels available then give us a call today. 5658162) throughout the year, you should tilt your panels at an angle of 26° North for fixed panel installations. 13. Northern New South Wales benefits from consistent sunshine and is a great place to invest in high quality solar panels. 2. Before deciding on the best way to use solar electricity at home, assess the potential solar energy that can be produced at your address. Compare our top 4 solar panel brands of 2023. This form is only to be used for sending genuine email enquiries to the Agent. Our community boasts relaxing reading rooms with a well stocked library and cosy corners perfect for a good book, a great chat or even a long slow brandy and a devious game of chess. Developed by the U. For the highest standards of Benq Solar Panels available then give us a call today. In solar leasing and PPA agreements the lender almost always files a UCC-1 financing statement so that they can. 00 Add to cart; Surrette S6-L16-HC Deep Cycle Battery ID: S6-L16-HC $ 648. com. Most installers set the price according to the system's wattage, with the average cost between $2. Not all of the panels manufactured by these companies have the same efficiency rating, and some models fluctuate by a few percentage points. Voltage (VOC) 40. 66kW (including larger, commercial installations), also according to the APVI. The number of solar panels you need depends on a few key factors, including your electricity consumption , geographic location, and individual panel specifications. Get sold price history and market data for real estate in Pottsville NSW. Re-roofing, gutter protection, roof extensions—whatever aspect of your home’s roof needs attention, our team will provide affordable solutions. An average home needs between 15 and 25 solar panels to fully offset utility bills with solar. Residential solar panels range from 13 to 22. Solar panel installations in Ballina. Standing seam metal roofs: Two solar panel mount manufacturers, Quick Mount PV and Ecofasten, have products designed specifically for metal roofs with standing seams. So even if it’s cloudy, panels can still produce electricity. Install a rooftop solar panel system. Our 30-year warranty is the best in the industry and provides replacement, removal, and installation of new solar accessible to everyone panels & inverters, $0 deductible, 100% Parts and Labor covered, and you have the ability to transfer ownership. Stralis Energy have completed many large scale projects right across NSW and QLD. p | 1300 553 787A solar panel’s efficiency rate depends mainly on its type. Skip to navigation Skip to main. Fully Insured. But, chances are your energy usage doesn’t line up exactly with the U. Rated Power Output 325 W.