There's a few restaurants and organizations I'm aware of doing this in Hong Kong. E.g.: http://www.iveggie.com.hk/index.php/en/ http://www.iveggie.com.hk/index

There's a few restaurants and organizations I'm aware of doing this in Hong Kong. E.g.: http://www.iveggie.com.hk/index.php/en/ http://www.iveggie.com.hk/index.php/en/ I believe they were using 1000 kWh of power per day a few years ago and their estimated carbon footprint was estimated at around 13x that of a traditional farm by a local environmental group. I think the costs only really worked out where they could charge a significant premium, such as use in their restaurant.