Quality Solar Panels With hundreds of different solar panels on the market it is difficult for those not in the industry to identify quality panels which will perform over the expected 25 year life of a solar photovoltaic (PV) system. Here we highlight the best quality solar panel manufacturers using the latest solar cell innovations to develop the most efficient and reliable panels with the longest life and highest power output . What is a Tier 1 Solar Panel? A common term that sales companies and manufacturers use is the 'Tier 1' rating. The Tier rating was developed by Bloomberg New Energy Finance Corporation and is basically used to rate solar panel manufacturers in terms of financial stability. Unfortunately a Tier 1 ranking does not mean a panel offers the highest performance or quality . With most established panel manufacturers now rated as Tier 1, it is more important than ever to know how to distinguish a high quality and reliable panel by other means which we expla
Best Solar Inverters 2020 June 24, 2020 Jason Svarc Last update - 26 Oct 2020 The title for best grid-tie solar inverter has never been closer as many of the top manufacturers release advanced new models with clever online monitoring and smart home energy management features. The hype around home battery systems or hybrid systems is also growing, but it is early days for batteries and the majority of solar installations still require a dedicated solar inverter. Even the renowned Tesla Powerwall 2 with its inbuilt inverter requires an additional solar inverter to work with a solar array. Solar Inverter function & problems The solar inverter is the most sophisticated part of any grid-tie solar system and unfortunately it's also the part most likely to have issues. This is not surprising considering inverters are usually located outside in harsh weather conditions including rain, humidity and extreme heat, all while generating thousands of watts of power for up to 10 hours a
December 20, 2019 Jason Svarc What is AC or DC coupling? AC or DC coupling refers to the way solar panels are coupled or linked to an energy storage or battery system. The type of electrical connection between a solar array and a battery can be either Alternating Current (AC) or Direct Current (DC). AC is when the current flows rapidly forward and backwards (this is what the electricity grid uses to operate) and DC is where the current flows in one direction. Most electronic circuits use DC, while solar panels produce DC, and batteries store DC energy. However, most electrical appliances operate on AC. This is why all homes and businesses have AC circuits. DC can be converted to AC using an inverter but, as explained below some energy is always lost in the conversion. The Solar battery evolution Simple DC coupled solar battery systems were once used only for remote power systems and off-grid homes, but over the last decade inverter technology advanced rapidly and led to the developme
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