巴拉德動力公司 （Ballard Power Systems）或稱巴拉德動力系統，是一家總部位於的零排放生產商，是該領域的全球領先企業之一。截至当前，巴拉德公司已经设计和交付了超过250MW的燃料电池产品。 .
Besides road vehicles, Ballard delivers fuel cells also for trains, mining trucks, marine applications, and backup power systems for critical infrastructures such as radio towers. Furthermore, a fuel cell system for application in is under development.
[pdf] In New Zealand:most residential homes would use a system between 1.5kW – 4kW. A panel-only no battery 4kWh system is around $10,000.a 3kW grid-connected solar power system is popular because it helps reduce electricity costs, while remaining relatively affordable (around $8,000).battery systems for a standard house cost around $10,000. .
[pdf] A photovoltaic system for residential, commercial, or industrial energy supply consists of the solar array and a number of components often summarized as the (BOS). This term is synonymous with "" q.v. BOS-components include power-conditioning equipment and structures for mounting, typically one or more DC to power converters, also known as
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