Core Viewpoint - The report from Guosheng Securities forecasts significant growth in the domestic energy storage industry, with expectations of a 111% year-on-year increase in new installations by 2026, reaching 283.63 GWh, and a conservative estimate of an average annual addition of over 200 GWh in domestic large-scale storage [1][4]. Domestic Large-Scale Storage - The domestic large-scale storage market is expected to benefit from policy incentives and increasing independent storage capacity, with a focus on how price transmission affects company performance [2][3]. - The price of lithium carbonate is projected to rise to 92,600 yuan per ton by December 2025, with a 13.4% month-on-month increase in the average bidding price for lithium battery energy storage EPC in November [2]. Overseas Storage Market - The trend of AI-integrated storage is anticipated to drive significant growth in the U.S. energy storage demand, with expected increments of 10 GWh in 2026, 27 GWh in 2027, and 39 GWh in 2028, accounting for 15%, 38%, and 40% of total U.S. storage demand respectively [5]. - The North American energy storage integration market is highly concentrated, with Tesla, Sungrow, and Powin being the top three market share holders [5]. International Household and Commercial Storage - The Australian household storage market is expected to grow significantly due to increased subsidies, with the government raising support to 7.2 billion AUD, while Hungary has initiated a 280 million USD subsidy plan for household storage [6]. - The demand for commercial storage in Europe, Southeast Asia, and Africa is projected to increase due to high electricity costs, with a long-term potential of 146 GWh in these regions [6]. Investment Targets - Key companies to watch in the large-scale storage sector include Sungrow (300274.SZ), Haibo Technology (688411.SH), Canadian Solar (688472.SH), Tongrun Equipment (002150.SZ), and Shuneng Electric (300827.SZ) [7]. - In the household storage segment, notable companies include Deye Technology (605117.SH), Airo Energy (688717.SH), Jinlang Technology (300763.SZ), Goodwe (688390.SH), Kstar (002518.SZ), and Pylon Technologies (688063.SH) [7].

Core Insights - The report highlights a significant growth opportunity in the energy storage sector, particularly in domestic large-scale storage and overseas energy storage markets, driven by favorable policies and increasing demand [1][11][19] - The domestic energy storage market is expected to see a substantial increase in installed capacity, with projections of a 111% year-on-year growth to 283.63 GWh in 2026 [4][42] - The overseas energy storage market is also anticipated to grow, with AI-integrated storage solutions expected to contribute significantly to demand in the U.S. [5][46] Domestic Large-Scale Storage - The domestic market is currently benefiting from policy incentives, leading to a confirmed upward trend in independent energy storage capacity [1][19] - The report notes that the price transmission from lithium carbonate and battery cell price increases is proceeding smoothly, with lithium carbonate prices rising to 92,600 CNY per ton by December 2025 [2][19] - The report anticipates that the independent energy storage capacity will continue to grow, supported by decreasing electricity prices for industrial and commercial users [3][38] Price Transmission and Subsidy Sustainability - The report estimates that the price increase of energy storage cells can be transmitted at a range of 0.05-0.1 CNY/Wh, with a 1 CNY/Wh increase in cell costs leading to a decrease in internal rate of return (IRR) by approximately 0.7% [2][35] - The sustainability of capacity price subsidies across provinces is supported by a general decline in electricity prices for industrial users, indicating that the subsidy mechanisms are likely to remain in place [3][38] Market Performance and Trends - The energy storage sector has significantly outperformed the broader market, with a 56.9% increase in the storage index compared to a 16.4% increase in the CSI 300 index from January to December 2025 [11][17] - Key players in the domestic large-scale storage market, such as Hai Bo Si Chuang and Ningde Times, have secured substantial supply agreements, reflecting confidence in the market's growth potential [19] Long-Term Outlook - The report conservatively estimates that the domestic energy storage market will see an average annual increase of over 200 GWh in installed capacity in the long term, driven by the need for renewable energy integration [4][42][45] - The AI-integrated storage solutions are projected to account for a significant portion of the U.S. energy storage demand by 2028, with estimates suggesting that they will represent 40% of total demand [5][53]