(BUSINESS WIRE) - Cogenra Solar, a provider of distributed solar cogeneration systems, today announced the nation’s largest rooftop solar cogeneration system to date at Kendall-Jackson’s Kittyhawk winery in Windsor, California. Expanding on Kendall-Jackson’s existing energy and water conservation projects, the 96-module, 241kW hybrid solar photovoltaic (PV) and thermal array is expected to save approximately $30,000 in annual energy costs.