阳光电源（300274）：光储龙头地位稳固，储能系统营收、盈利能力稳步提升

Investment Rating - The report maintains an "Accumulate" rating for the company [4][7]. Core Views - The company has solidified its leading position in the solar energy storage sector, with steady growth in revenue and profitability from its energy storage systems [1][2]. - In 2024, the company achieved a revenue of 77.857 billion yuan, a year-on-year increase of 7.76%, and a net profit attributable to shareholders of 11.036 billion yuan, up 16.92% year-on-year [1]. - The company reported a significant increase in quarterly performance, with Q1 2025 revenue reaching 19.036 billion yuan, a 50.92% year-on-year increase, and net profit of 3.826 billion yuan, up 82.52% year-on-year [1][3]. Financial Performance Summary - Revenue and Profitability: - 2024 revenue was 77.857 billion yuan, with a growth rate of 7.8% year-on-year. The net profit attributable to shareholders was 11.036 billion yuan, reflecting a 16.9% increase year-on-year [6]. - The company expects net profits for 2025, 2026, and 2027 to be 12.442 billion yuan, 14.029 billion yuan, and 15.358 billion yuan, respectively, with growth rates of 12.7%, 12.7%, and 9.5% [4]. - Product Performance: - Revenue from solar inverters was 29.127 billion yuan, a 5.33% increase, while energy storage system revenue reached 24.959 billion yuan, up 40.21% [11]. - The company shipped 28 GWh of energy storage products in 2024, a 167% increase year-on-year [11]. - Regional Performance: - Revenue from mainland China and overseas (including Hong Kong, Macau, and Taiwan) was 41.563 billion yuan and 36.294 billion yuan, respectively, with year-on-year growth of 6.90% and 8.76% [11]. - Profitability Metrics: - The company's net profit margin increased by 1.17 percentage points to 14.47% in 2024, with Q1 2025 net profit margin at 19.93%, up 3.22 percentage points year-on-year [11]. - Valuation Ratios: - The P/E ratio for 2025 is projected at 10.3, while the P/B ratio is expected to be 2.8 [6].