A company called Clarian Power has a product in development called "Sunfish Plug-In Solar Power". The product will have several models, ranging from 200 watts at about $700 to $4000 for a 1000 watt unit. From their website:

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The Sunfish plugs directly into an existing electrical outlet and automatically generates power whenever the sun is shining. The Sunfish can be mounted directly on the side of a home, on a deck, or on a rooftop and is modular, allowing you to generate up to 1kW of hassle-free power. And, it can generate up to 30 kWh per month, enough to light an average home using energy efficient light bulbs. Expected to cost between $599 and $799, the Sunfish is a cost-effective option for homeowners and small business owners looking to harness solar power for the first time. Working in tandem with the existing power grid, the Sunfish enables large-scale distributed-generation, delivering power exactly where it's needed, reducing the demand for costly transmission infrastructure. With built-in circuit protection, the Sunfish's unique micro-inverter design ensures years of safe, reliable operation with efficiency comparable to inverters that cost thousands of dollars more. And by mounting the micro-inverter directly to solar panel, the Sunfish reduces line loses and increases output by as much as 10%! Also, by pairing each solar module with a micro-inverter the Sunfish is able to individually optimize the power output of each panel. And the Sunfish can be plugged directly into the existing power grid without special wiring or expensive controls - you literally just plug it into the wall, anywhere there's power. Plus, the anti-islanding features inherent in its design protects local utility workers in the event of a power outage - if the grid shuts down, the Sunfish immediately stops generating power, again without the need for any special wiring or controls. And with onboard networking and optional backup storage, the Sunfish also allow customers to track and monitor production online.
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