There\u2019s good reason for Straubel to savor the moment, of course \u2013 some financial observers had been wary of\u00a0Tesla\u2019s acquisition of SolarCity<\/a>, following the announcement of its intent to do so last year, and continuing through the closure of the deal in November. Why, the critics argued, did it make sense to tie an electric car maker to this company that made and sold solar panels?<\/p>\n A Model X stood ready for inspection by attendees at the Kauai solar storage facility launch. Tesla acquired SolarCity in November 2016.<\/p>\n<\/div>\n It was a question that Tesla seemed to think had an obvious answer; Tesla CEO Elon Musk replied to questions about the logic behind the tie-up with obvious exasperation at multiple press events and during quarterly earnings calls. Asked about whether SolarCity might prove a burdensome financial risk for Tesla to take on, Musk initially demurred before being seemingly unable to resist calling the question dumb and highlighting why, based on current balance sheets, the opposite was actually true.<\/p>\n But nothing can answer critics quite like a demonstration \u2013 and Tesla has now shown why the two companies stand to benefit from being under one roof in a few different ways. The first came before the ink was dry on the acquisition, when Tesla revealed its solar roof tile product<\/a>, at an event co-hosted by SolarCity, which also launched its Powerwall 2<\/a> home energy storage solution. The second was the Kauai facility unveiling, which showed how Tesla can scale its potential in the consumer market to suit ever-larger projects for commercial and utility clients, too.<\/p>\n Solar panels blanket a large clearing on the Grove Farm land the Tesla facility occupies, lined in undulating waves on the softly rolling hills. It feels like you\u2019re standing in the center of a crown of mountains, overlooking an oddly geometric and unnaturally blue man-made lake. Rows of Tesla Powerpack 2 commercial batteries stand as silent white monuments next to the angular artificial lake, rising up in stark contrast from the roan red clay earth that\u2019s also used to make pigeons for a nearby shooting range.<\/p>\n Tesla\u2019s Powerpack 2 storage arrays stand in long rows next to the field of sun-soaking panels.<\/p>\n<\/div>\n The whole facility generates 13 megawatts of energy, which adds up to around 19,438 MWh of electricity per year, and can store up to 52 megawatt hours of power. It does this with a cost to Kauai of 13.9 cents per kilowatt-hour, locked at that price for the duration of a 20-year contract. That\u2019s\u00a0under half the price the island currently pays for power generated from burning diesel fuel, which is its prevailing source of energy. The new solar storage facility can build up enough energy \u00a0to power 4,500 Kauai homes through the night, which is a significant number of households given the population of the island was at 67,000 as of the last U.S. census.<\/p>\n \u201cIn this way we can have very robust, reliable solar electricity delivered back to the customer almost 24 hours a day,\u201d Straubel explained in an interview. \u201cThis is a very different type of project. Usually you have solar panels directly coupled into the grid, or into your house, and they feed their electricity in whenever the sun is out and whenever a cloud comes over they stop.\u201d<\/p>\n Not only does direct power generation without a storage element rely on good sun exposure, but it becomes a liability rather than an asset when deployed in large numbers across a relatively small community, or in high percentages of households in general. Solar panels adorn roofs across Kauai \u2013 you can hardly drive through any residential or commercial areas without seeing a handful of installations.<\/p>\n A look inside one of the Powerpack 2 units, with its many rows of lithium-ion storage cells. Each Powerpack 2 can hold 200 kWh of energy.<\/p>\n<\/div>\n \u201c[Direct solar] works okay in limited percentages and quantities,\u201d Straubel said. \u201cBut if you have too many, like on an island such as this, at some point you have to start adding storage or else the variability of the renewables and the variability of the solar becomes a problem to manage the whole electricity infrastructure.\u201d<\/p>\n The Kauai facility is meant to show what Tesla can offer for higher-demand commercial projects, and it\u2019s a stake in the ground that\u2019s designed to pique the interest of energy providers the world over \u2013 not just those perfectly situated to make the most of available sunlight, according to Straubel.<\/p>\n \u201cIt\u2019s immediately a cost benefit,\u201d Straubel said. \u201cAnd that\u2019s true in many places around the world, it\u2019s not just true on islands like this in Hawaii. It\u2019s not intuitive; most people, they think\u00a0this is more expensive still today, but the cost of solar and the cost of storage has come down so quickly that these projects now are cost-effective in many locations.\u201d<\/p>\n It\u2019s immediately a cost benefit.<\/p>\n<\/blockquote>\n \u2014 Tesla CTO JB Straubel<\/span><\/div>\n Straubel says Tesla\u2019s in talks with many other clients in different locations currently around deploying projects like the one in Kauai, though it\u2019s not ready to start talking about specific locales and customers just yet. He said that between projects either in the pipeline or in progress, we should soon see a significant ramp of projects like this one.<\/p>\n \u201cThe ability to buffer and store renewable energy is a fundamental requirement, whether it\u2019s wind or solar,\u201d he explained. \u201cYou can\u2019t get to high percentages [of renewable energy use], which many countries and cities around the world want to do, unless you have a way to store it and make it very reliable.\u201d<\/p>\n Rows of SolarCity panels stand angled to maximize their solar energy capture, with just enough space between for a person to walk comfortably.<\/p>\n<\/div>\n Indeed, quantifiable renewable sourcing goals for power are held by many global city and state governments, and it\u2019s clear that without a storage component for sources including solar and wind, getting past a tipping point of around 30 percent or so can be incredibly challenging. Any contributions in this regard can help push past those hurdles, especially in locations where significant resources have already been committed to building power generation infrastructure.<\/p>\n Tesla\u2019s SolarCity acquisition, viewed in the light of its first large-scale project since the deal has closed, begins to look more like the perfect combined entity to address a new and growing market among states, utilities and large-scale commercial power consumers. A bit like how, viewed from a low angle, Tesla\u2019s Kauai solar farm looks like a gently rolling sea of panels that extend endlessly into the distance.<\/p>\n","protected":false},"excerpt":{"rendered":"![\"\"](\"https:\/\/tctechcrunch2011.files.wordpress.com\/2017\/03\/tesla-kauai-14.jpg?w=1024&h=682\")
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Tesla’s solar installation on the Hawaiian island of Kauai is not just a product launch of the company – it’s the first real proof the company’s offering up that its acquisition of SolarCity is not only smart, but necessary. Necessary, because it will help Tesla achieve its grand vision of making solar (and other renewable) energy a practical and cost-effective option… Read More<\/a><\/p>\n<\/img><\/a>
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