2.8、N型硅片助推电池转换效率,单晶炉市场前景广阔 ................................................. 39
推荐:晶盛机电(300316.SZ).................................................................................. 40
三、看好海风长期成长性,海缆、塔筒环节有望受益 ........................................................... 41
3.1.我国海风资源充足,海风发展具备高成长性 .............................................................. 42
3.2 海缆环节需求快速增长,超 13GW 订单有望 23 年落地 ............................................ 44
推荐标的:东方电缆(603606.SH) .......................................................................... 45
建议关注:亨通光电(600487.SH) .......................................................................... 46
建议关注:起帆电缆(605222.SH) .......................................................................... 46
建议关注:远东股份(600869.SH) .......................................................................... 47
3.3 海上塔筒供给偏紧,盈利有望回升 ............................................................................ 47
推荐标的:天顺风能(002531.SZ) .......................................................................... 49
建议关注:泰胜风能(300129.SZ) .......................................................................... 50
建议关注:海力风电(301155.SZ)........................................................................... 50
3.4 电缆绝缘料需求同步提升,绝缘料市场空间巨大 ....................................................... 51
3.4.1陆缆高压电缆绝缘材料壁垒高,有望实现进口替代 ........................................... 51
3.4.2 我国低压绝缘材料已完成国产化,目标抢占海外市场 ........................................ 52
3.4.3 海缆绝缘材料市场空间广阔,22-25CAGR 可达 88.22% ................................... 53
推荐标的:万马股份(002276.SZ) .......................................................................... 54
3.5 海风漂浮式处于起步阶段,具备远期发展潜力 .......................................................... 54
建议关注:亚星锚链(601890.SH) .......................................................................... 55
四、陆风建议关注具有 α的环节,滑动轴承、碳纤维应用有望加快推进 .............................. 56
4.1 风电主轴用量有望提升,预计 23 年主轴供需持续紧张 .............................................. 56
建议关注:通裕重工(300185.SZ) .......................................................................... 58
建议关注:金雷股份(300443.SZ) .......................................................................... 58
4.2 干式变压器优势明显,渗透率有望提升 ...................................................................... 59
建议关注:金盘科技(688676.SH) .......................................................................... 60
4.3 滑动轴承可有效实现降本和减重,“滑替滚”趋势显现 ................................................. 61
建议关注:长盛轴承(300718.SZ) .......................................................................... 63
建议关注:双飞股份(300817.SZ) .......................................................................... 64
建议关注:崇德科技(A21686.SZ) .......................................................................... 64
4.4 风机大型化趋势明显,助推海风叶片碳纤维需求快速增长 ......................................... 65
推荐标的:吉林化纤(000420.SZ) .......................................................................... 68
五、储能:市场加政策双轮驱动,大储与户储齐放量 ........................................................... 68
2.1 国内大储:经济性提升,需求持续高增 ..................................................................... 68
2.2 工商业储能:峰谷价差拉大,步入快速发展阶段 ...................................................... 76
2.3 海外户储:多重利好因素驱动,高速增长有望持续 ................................................... 78
2.4 推荐:建议关注储能产业链优质个股 ........................................................................ 81
阳光电源:逆变器及储能系统出货量持续提升 ........................................................... 81