国内4月装机同增214.7%，光伏板块领涨，光伏50ETF（159864）涨超2%，机构表示下半年价格或可反弹

Group 1 - In April 2025, the newly installed capacity reached 45.22 GW, a year-on-year increase of 214.7%, marking the highest monthly addition of photovoltaic capacity in history for the first half of the year [1] - The National Development and Reform Commission and the National Energy Administration jointly issued a notice to promote the development of green electricity connections, exploring innovative models for the integration of new energy production and consumption [1] - In April, the National Energy Administration issued 216 million green certificates, a month-on-month increase of 23.9% [1] Group 2 - In the first quarter of 2025, prices in the main photovoltaic industry chain continued to decline, with main materials still at a loss, while auxiliary materials remained relatively stable [1] - The industry is experiencing ongoing impairment, showing slight improvement but still under pressure, with capital expenditure continuing to decline and corporate expansion slowing down [1] - Demand recovery is expected in the second quarter of 2025 due to domestic rush installations, leading to an increase in industry production, although future demand growth is anticipated to slow down [1]