But that isn't the only greening to be found on the Vision 74, because the yacht was designed from the outset to be as energy efficient as possible: The solar panels are just the latest frosting on an already mint-green cake.
The Horizon design team redesigned the Vision 74 to take advantage of two plentiful natural elements: light and fresh air. For starters, the 74 has oversized portlights to supply fresh air to the living areas and reduce the need for power-hungry air conditioning in temperate climates.
The oversized windshields and maximum-height side windows in the skylounge and saloon not only provide panoramic views for the guests even while seated, they allow an increased amount of natural light to reduce the need for artificial light. But large windows can have a downside in tropical climates, when direct sunlight can heat the interior quickly. The Vision 74 side decks are covered by the extended boat deck, creating natural shade as well as protection in rainy weather.
For nighttime use, Horizon replaced the high-heat, high-wattage halogen overhead lighting with new T5 fluorescent indirect lights that provide more light at lower energy consumption.
Taking that an interesting step further, the Horizon design team created a sophisticated skylight above the saloon. During the day, this floods the saloon with a soft, indirect light at no cost. At night, hidden T5 tubes in the skylight duplicate the daytime effect, casting a pleasant light over the entertaining area. This is the one time that Horizon has made sure a feature isn't green: T5 lighting doesn't have that dreadful greenish cast typical of most fluorescents and, instead, has a color temperature much like the sun (T5s are also used for indoor gardening).
The nighttime lighting of the skylight isn't directed just downwards to the saloon, but up to the deck abaft the skylounge. There a translucent panel casts light over the boat deck, creating an inviting and romantic atmosphere. It's perfect for using the outdoor grill, or just for enjoying a pleasant evening on deck.
Finally, since VIP staterooms in the bow are traditionally dark, the Vision 74 brightens that area with a circular overhead hatch, as well as additional side windows to provide ample natural light.