Increased demand for renewable-energy equipment has also enabled certain manufacturers to expand their production and reduce their costs, making those options more attractive for investors and affordable for consumers.
对可再生能源设备需求量的增加也使一些制造厂商能够扩大生产、降低成本，提高了这些办法对于投资者的吸引力，消费者也比较负担得起。