2025-2035年美國電池儲能產業成長機會

重點：美國電池儲能市場

• 美國電池能源儲存系統（BESS）市場在能源轉型中發揮至關重要的作用，支援電網可靠性、可再生能源併網和電力市場柔軟性。
• 電池能源儲存系統（BESS）的採用預計將保持強勁勢頭，2026 年的投資額預計將超過 2025 年創下的紀錄水平。
• 預計到 2035 年，儲能系統 (BESS) 的總資本投資將從 2025 年的 232.4 億美元增加到 454.2 億美元，這主要得益於電網級、住宅和商業及工業 (C&I) 領域的部署不斷擴大。
• 電網級儲能仍然是最大的細分市場，預計到 2035 年將達到約 309.9 億美元。同時，住宅儲能系統預計從 2025 年到 2035 年將以 7.0% 的複合年成長率成長，而工商業儲能系統預計將以 26.5% 的複合年成長率成長。
• 在電池儲能市場，對能夠實現更長時間儲存的系統的需求正在增加，預計到 2035 年，電網、工商業（燃燒和進氣）以及住宅應用的平均儲存時間將延長。
• 雖然鋰離子電池仍然是主流技術，但隨著開發人員在成本、供應鏈和長運作方面探索替代方案，鈉離子電池、液流電池和其他化學電池正受到越來越多的關注。
• 預計能源儲存系統市場將日益由國內企業主導，競爭將涵蓋設備製造、系統整合、安裝、能源服務和專案開發。

摘要：美國電池能源儲存系統市場

美國電池能源儲存系統（BESS）市場正成為能源轉型中成長最快的領域之一。電池能源儲存系統在維持電網可靠性、將可再生能源發電併入電網、管理高峰需求以及柔軟性方面發揮著日益重要的作用。隨著太陽能和其他可再生能源的擴張，公用事業公司和獨立發電企業正在增加對儲能基礎設施的投資。

由於技術成本下降、各州政府的扶持政策、電價上漲以及可再生能源的持續普及，儲能市場正蓬勃發展。預計這些因素將共同推動2025年儲能裝置量創歷史新高，2026年也有望再創新高。大型儲能計畫正在加州、德克薩斯州、亞利桑那州以及整個東北地區不斷擴展，旨在應對電網堵塞、高峰需求以及可再生能源間歇性等挑戰。

然而，電池能源儲存系統（BESS）市場面臨許多挑戰，包括供應鏈瓶頸、複雜的授權流程以及缺乏聯邦支持的政策環境。技術發展仍然至關重要，尤其是在鋰離子電池系統、替代化學電池系統、能源管理軟體和長期儲能技術方面。

本研究評估了美國電網級、工商業和住宅建築儲能系統（BESS）市場。研究分析了投資趨勢、系統壽命、技術和化學成分、市場動態以及2035年的未來投資機會。

分析師評論：美國電池能源儲存系統市場

專注於電池儲能市場的北美能源顧問瓦桑特·克里希南指出，由於政府更迭促使政策重點發生重大轉變，該行業在2025年初面臨相當大的不確定性。儘管存在這種不確定性，但由於持續強勁的市場環境和政策支持，市場仍保持了穩健成長。

他認為，美國電池能源儲存系統（BESS）市場的基本面依然強勁。儲能繼續為更廣泛的能源轉型提供至關重要的支持，而不斷上漲的電價和可再生能源的日益普及進一步增強了BESS的經濟可行性。

分析師評估強調了三個關鍵成長前景：預計 2026 年對儲能系統 (BESS) 的投資將達到創紀錄的高位；能源安全和韌性將繼續支援住宅儲能系統；預計國內企業將在整個儲能系統價值鏈中保持重大影響力，從設備製造到系統整合和安裝。

市場概況及趨勢：美國電池能源儲存系統（BESS）市場

美國電池能源儲存系統（BESS）市場正從新興能源轉型技術轉向關鍵電力基礎設施。隨著可再生能源發電的日益普及，對能夠平衡間歇性供需的靈活儲能容量的需求也日益成長。 BESS可以提供​​電壓和電網調節支援、可再生能源併網、尖峰需求管理以及其他電網服務。

市場的一個關鍵趨勢是電網級電池能源儲存系統系統的持續擴張。公用事業規模的項目佔了最大的市場投資佔有率，因為它們能夠滿足系統級容量需求、輸電限制、可再生能源的間歇性以及電力市場的需求。本報告指出，加州、德克薩斯州、亞利桑那州和東北部是大型計畫的主要市場。

儲能持續時間也呈現上升趨勢。預計到2035年，併網系統的平均儲能持續時間將達到約5小時，工商業系統約4.5小時，住宅系統約4小時。這反映出儲能的應用範圍正在擴大，不再僅依賴短期的尖峰用電移轉。

能源儲存系統市場正呈現日益多元化的技術發展趨勢。儘管鋰離子電池仍佔主導地位，但鈉離子電池憑藉其成本優勢預計將獲得廣泛應用。液流電池因其長期儲能的優勢而備受青睞，而包括鐵空氣電池和鎳鎘電池在內的其他技術，也構成了更廣泛的技術發展趨勢的一部分。

住宅儲能也是一大趨勢。不斷上漲的住宅電費、太陽能發電的擴張以及人們對能源安全和韌性的日益關注，都在推動住宅層面內置儲能系統（BESS）的普及。本報告預測，2025年至2035年間，住宅儲能資本投資將以7.0%的複合年成長率成長。

儘管工商業儲能系統（BESS）市場規模較小，但預計在預測期內將以26.5%的複合年成長率快速成長。然而，本報告指出，美國工商業儲能系統市場仍相對低度開發，且成長基數較低。

分析範圍：美國電池能源儲存系統市場

本研究以 2025 年為基準年，對 2023 年至 2035 年美國電池能源儲存系統市場進行了詳細評估，預測期為 2026 年至 2035 年。地理範圍僅限於美國，分析重點是固定式電池能源儲存系統的發展和投資前景。

本分析重點在於電池儲能系統（BESS）的資本支出（CAPEX），並檢驗預測期間系統總成本的趨勢。成本要素包括電池單體和電池架、系統平衡（BOS）組件、功率轉換系統、能源管理系統、組裝、運輸、安裝、測試和試運行。這些儲能資產營運產生的收入不包含在資本支出分析中。

本研究將市場分為三大類最終用戶：

• 電網儲能系統（BESS）：通常由電力公司、獨立發電企業、電網聚合商、配電公司和輸電系統營運商擁有，是一種位於電錶前的電化學儲能系統。此部分包括獨立式儲能系統和與發電設施共址的系統。
• 工商業儲能系統 (C&I BESS)：一種安裝在商業、工業和公共設施中的「用戶側」儲能系統。該部分包括與獨立系統和分散式發電（通常為太陽能發電）整合的儲能系統。
• 住宅電池儲能系統（BESS）：指安裝在普通住宅電錶後的電化學儲能系統。該部分包括獨立式BESS系統和與分散式太陽能發電系統整合的系統，但不包括可攜式電池。

本報告不包括傳統的工業電池領域，該領域目前以不斷電系統（UPS）解決方案為主。報告提供系統級數據和預測，尤其針對住宅領域，並按電池技術對鋰離子電池、鉛酸電池、鈉離子電池、液流電池及其他電池技術進行預測。

市場區隔分析：美國電池能源儲存系統市場

美國電池能源儲存系統市場主要按終端用戶分類，包括電網級、商業和工業以及住宅應用。每個細分市場在投資概況、專案規模、成長軌跡和潛在需求促進因素方面均存在差異。

網格級電池儲能系統

電網級電池儲能系統（BESS）是規模最大、戰略意義最重大的組成部分。這些系統通常部署在「計量前」應用中，可為公用事業公司、獨立發電公司、電網聚合商、配電公司、輸電公司等提供支援。電網級專案的規模從幾兆瓦到幾百兆瓦不等。

該領域正受惠於可再生能源併網、電網擁塞管理、高峰需求處理和系統可靠性提升等日益成長的需求。預計電網級資本支出將從2025年的175億美元增加至2035年的309.9億美元，年複合成長率為5.9%。

預計電網級電池儲能系統的年度部署量也將擴大。預計年度部署量將從2025年的17.2吉瓦增加到2035年的30.2吉瓦，同期累積容量將從45.5吉瓦增加到311.3吉瓦。

商用和工業用電池儲能系統

工商業儲能系統（BESS）由「表後式」系統組成，服務於商業、工業和公共部門使用者。這些系統幫助企業管理電力成本、提高電力系統韌性、整合分散式發電並最佳化能源消耗。

目前，美國工商業（C&I）領域發展相對落後，但預計其資本支出成長將在三大領域中位居榜首。工商業領域的資本支出預計將從2025年的3.7億美元增加到2035年的39億美元，年複合成長率（CAGR）將達到26.5%。

這種快速擴張表明，系統整合商、技術供應商、安裝商和能源服務公司將迎來巨大的商機。

住宅儲能系統

住宅儲能系統（BESS）是指安裝在住宅內的電錶後儲能系統，既可作為獨立系統使用，也可與分散式太陽能發電系統結合使用。住宅儲能系統的普及應用主要受以下因素驅動：電費上漲、太陽能發電規模擴大、能源韌性需求增加、消費者希望更精細地控制電力消耗。

預計住宅資本支出將從2025年的53.6億美元增加至2035年的105.3億美元，複合年成長率為7.0%。住宅系統的平均容量預計將從2025年的12千瓦時增加到2035年的18度。

依化學成分進行分割

由於鋰離子電池擁有成熟的供應鏈、優異的性能和不斷下降的成本，它仍然是電池儲能市場的主導化學技術。然而，隨著製造商尋求降低成本並減少對供應受限材料的依賴，鈉離子電池正逐漸成為一種替代技術。

液流電池特別適用於需要長時間運作的應用，而其他電池技術，如鐵空氣電池和鎳鎘電池，也構成了更廣泛的技術格局。

收入及預測：美國電池能源儲存系統市場

預計到 2035 年，美國電池能源儲存系統(BESS) 市場將迎來顯著的投資成長。 BESS 總資本支出預計將從 2025 年的 232.4 億美元增加到 2035 年的 454.2 億美元，這表明大量資金正湧入儲能基礎設施領域。

由於電網級專案大規模，且在支援可再生能源併網和保障電網可靠性方面發揮重要作用，預計此類專案將繼續佔總支出的很大一部分。電網級資本支出預計將從2025年的175億美元增加至2035年的309.9億美元，年複合成長率為5.9%。

住宅儲能預計仍將是第二大投資領域。住宅投資預計將從2025年的53.6億美元成長到2035年的105.3億美元，年複合成長率為7.0%。電費上漲和太陽能發電的普及將推動該領域的成長。

工商業儲能市場雖然起步規模較小，但預計將成為成長最快的市場。工商業領域的資本支出預計將從2025年的3.7億美元增加至2035年的39億美元，複合年成長率達26.5%。

併網規模部署的前景進一步增強了投資機會。預計到2035年，併網儲能系統的年部署量將從2025年的17.2吉瓦增加到30.2吉瓦，累積裝置容量預計到2035年將達到311.3吉瓦。

常見問題 (FAQ) - 美國電池能源儲存系統市場

1. 美國電池能源儲存系統市場現況如何？

• 美國電池能源儲存系統市場由用於儲存電力並提供電網調節、可再生能源併網、高峰需求管理、能源彈性以及電力市場柔軟性等服務的固定式電化學儲能系統組成。該市場涵蓋電網級固定式電池儲能系統、工商業（C&I）電池儲能系統以及住宅電池能源儲存系統。

2. 美國電池能源儲存系統市場的預測期是多久？

• 本研究涵蓋2023年至2035年美國電池能源儲存系統市場，以2025年為基準年，2026年至2035年為預測期。本研究僅限於美國。

3. 到 2035 年，美國電池能源儲存系統市場規模將達到多大？

• 預計電池能源儲存系統的總資本支出將從 2025 年的 232.4 億美元增加到 2035 年的 454.2 億美元。在整個預測期內，電網級系統預計將佔投資的最大佔有率。

4. 電池能源儲存系統市場中，哪個細分市場將佔領先地位？

• 能源儲存系統的資本支出預計將從2025年的175億美元成長到2035年的約309.9億美元，複合年成長率為5.9%。

5. BESS（電池儲能系統）的哪個細分市場成長最快？

• 預計工商業儲能系統（BESS）領域將實現最快成長。該領域的資本支出預計將從2025年的3.7億美元增加到2035年的39億美元，複合年成長率（CAGR）為26.5%。

6. 推動住宅電池儲能技術普及的因素有哪些？

• 住宅電池儲能系統（BESS）的普及應用主要受電費上漲、太陽能發電持續擴張以及對穩定能源供應和韌性需求不斷成長的推動。預計2025年至2035年，住宅BESS的資本支出將以7.0%的複合年成長率成長。

7.能源儲存系統市場中哪一種電池化學技術佔主導地位？

• 目前，鋰離子電池在能源儲存系統市場佔主導地位。然而，由於成本優勢，鈉離子電池預計未來將得到更廣泛的應用。同時，液流電池正成為長期儲能專案的一種頗具吸引力的選擇。

8. 預計到 2035 年，電網級儲能系統 (BESS) 的容量是多少？

• 預計到 2035 年，併網儲能系統年新增裝置容量將達到 30.2 吉瓦，高於 2025 年的 17.2 吉瓦。預計到 2035 年，併網儲能系統的累積裝置容量將從 2025 年的 45.5 吉瓦增加到約 311.3 吉瓦。

9. 到 2035 年，儲能系統 (BESS) 的運作將如何變化？

• 隨著業主努力實現商機最大化，儲能系統（BESS）的平均運作預計將會增加。到2035年，電網系統的平均運作預計將達到約5小時，工商業系統約4.5小時，住宅系統約4小時。

10. 美國電池能源儲存系統市場的主要參與者有哪些？

• 特斯拉被認為是建築儲能系統（BESS）所有領域的領導企業。其他進入該市場的公司包括Generac、Waltila、Ameresco和Schneider Electric。競爭也延伸至設備製造、系統整合、安裝和能源服務等領域。

目錄

調查範圍和細分

• 分析範圍
• 終端用戶細分與電池儲能定義

策略要務

• 為什麼經濟成長變得越來越困難？
• The Strategic Imperative 8TM
• 三大策略要務對美國電池儲能產業的影響

主要發現

• 主要發現
• 對電網、商業和工業設施以及住宅設施的資本投資進行預測。
• 對電網、商業和工業 (C&I) 以及住宅部門的總波浪能容量 (GW) 成長的預測。

成長機會分析：趨勢分析

• 趨勢一：住宅儲能透過參與虛擬電廠成為電網資產。
• 趨勢二：商業儲能正從尖峰用電調節轉向多功能能源服務管理。
• 趨勢三：資料中心擴張為BTM儲能創造了新的成長領域。
• 趨勢四：太陽能發電剩餘電力購買制度的改革促使 BTM 儲能系統的採用率上升。
• 住宅儲能系統年度和累積系統預測
• 關於住宅電池儲能系統（BESS）電池化學成分的預測
• 住宅的競爭格局

商業及工業電池儲能成長機會分析

• 工商業儲能系統：關鍵促進因素
• C&I BESS：關鍵促進者的重要性
• 工商業儲能系統年度和累計重力波預測
• 工商業儲能系統年度及累積GWh預測
• 工商業儲能系統（C&I BESS）資本支出（Capex）預測
• 預測工商業電池化學成分
• 工商業儲能系統的競爭格局

成長機會概覽

• 成長機會1：資料中心的柔軟性需求催生了新的專案流程。
• 成長機會2：向美國新地區進行地理擴張
• 成長機會3：虛擬電廠（VPP）與分散式能源網路的擴展

附錄

• 確定電網規模的促成因素：市場設計
• 確定電網級促進因素：實體市場
• 確定實現電網級規模的因素：支持政策
• 界定工商業領域的促成因素：市場設計
• 界定工商業領域的驅動力：實體市場
• 界定C&I領域的促成因素：支持政策
• 界定住宅用途的促成因素：市場設計
• 界定住宅用途的促成因素：實體市場
• 住宅促進因素的定義：支持政策

未來計劃

• 成長機會的益處和影響
• 未來計劃
• 圖表清單
• 免責聲明

Key Takeaways: US battery energy storage system market

• The US battery energy storage system market is becoming a critical part of the energy transition, supporting grid reliability, renewable integration, and electricity-market flexibility.
• Battery Energy Storage Systems (BESS) deployment is expected to remain strong, with 2026 forecast to exceed the record investment level achieved in 2025.
• Total BESS capex revenue is projected to increase from $23.24 billion in 2025 to $45.42 billion by 2035, supported by expanding grid-scale, residential, and C&I deployments.
• Grid-scale storage will remain the largest segment, reaching approximately $30.99 billion by 2035, while residential BESS is forecast to grow at 7.0% CAGR and C&I BESS at 26.5% CAGR during 2025–2035.
• The Battery Energy Storage Systems Market will increasingly favor longer-duration systems, with average grid, C&I, and residential durations expected to rise through 2035.
• Lithium-ion remains the dominant technology, but sodium-ion, flow batteries, and other chemistries are gaining attention as developers seek cost, supply-chain, and long-duration alternatives.
• The energy storage systems market will increasingly be shaped by domestic companies, with competition extending across equipment manufacturing, system integration, installation, energy services, and project development.

Report Summary: U.S. battery energy storage system market

The U.S. battery energy storage system market has emerged as one of the fastest-growing segments of the energy transition. Battery Energy Storage Systems (BESS) are increasingly important for maintaining grid reliability, integrating renewable generation, managing peak demand, and improving electricity-market flexibility. Utilities and independent power producers are therefore increasing investments in storage infrastructure as solar PV and other renewable resources expand.

The market benefited from declining technology costs, supportive state-level policies, increasing electricity prices, and continued renewable-energy deployment. These factors helped drive record storage deployment in 2025, with another record year anticipated in 2026. Large-scale projects are expanding across California, Texas, Arizona, and the Northeast, addressing grid congestion, peak demand, and renewable intermittency.

The Battery Energy Storage Systems Market nevertheless faces challenges, including supply-chain constraints, permitting complexity, and a less supportive federal policy environment. Technology development remains important, particularly in lithium-ion systems, alternative chemistries, energy-management software, and longer-duration storage.

The study evaluates the U.S. market across grid-scale, commercial and industrial (C&I), and residential BESS. It examines capex evolution, system duration, technology chemistry, market dynamics, and future investment opportunities through 2035.

Analyst Words: U.S. battery energy storage system market

Vasanth Krishnan, North American Energy Consultant, Battery Energy Storage Market, highlights that the industry experienced considerable uncertainty in early 2025 as changes in administration created significant policy-priority shifts. Despite this uncertainty, the market continued to demonstrate strong growth because physical market conditions and policy support remained favorable.

His perspective indicates that the underlying fundamentals of the U.S. battery energy storage system market remain resilient. Storage continues to provide essential support to the broader energy transition, while rising electricity prices and growing renewable deployment strengthen the economic case for BESS.

Three key growth perspectives emerge from the analyst's assessment: 2026 is expected to establish a new record for BESS investment; energy security and resilience will continue supporting residential storage; and domestic companies are expected to remain influential across the BESS value chain, from equipment manufacturing through system integration and installation.

Market Overview & Trends: U.S. battery energy storage system market

The U.S. battery energy storage system market is transitioning from an emerging energy-transition technology into essential power infrastructure. The increasing deployment of renewable generation is creating a greater need for flexible storage capacity that can balance intermittent supply with electricity demand. BESS can provide voltage and grid-regulation support, renewable integration, peak-demand management, and other grid services.

A major market trend is the continued expansion of grid-scale Battery Energy Storage Systems. Utility-scale projects are driving the largest share of market investment because of their ability to address system-level capacity requirements, transmission constraints, renewable intermittency, and electricity-market needs. The report identifies California, Texas, Arizona, and the Northeast as important markets for large-scale projects.

Storage duration is also increasing. Average system durations are expected to reach approximately 5 hours for grid systems, 4.5 hours for C&I systems, and 4 hours for residential systems by 2035. This reflects a shift toward using storage for a broader range of applications rather than relying exclusively on short-duration peak shifting.

The energy storage systems market is also becoming more diversified technologically. Lithium-ion batteries remain dominant, but sodium-ion batteries are expected to gain traction because of their potential cost advantages. Flow batteries are attractive for longer-duration projects, while other technologies, including iron-air and nickel-cadmium batteries, form part of the broader technology landscape.

Residential storage represents another important trend. Higher residential electricity prices, increasing solar PV adoption, and growing interest in energy security and resilience are supporting household-level BESS deployment. The report forecasts residential capex to grow at 7.0% CAGR from 2025 to 2035.

The C&I segment is smaller but is projected to expand rapidly, with a 26.5% CAGR over the forecast period. However, the report notes that the U.S. C&I BESS market remains relatively underdeveloped, meaning growth is coming from a comparatively low base.

Scope of Analysis: U.S. battery energy storage system market

The study provides a detailed assessment of the U.S. battery energy storage system market from 2023 through 2035, using 2025 as the base year and covering the 2026–2035 forecast period. The geographic scope is limited to the United States, with analysis focused on the development and investment outlook for stationary battery energy storage.

The analysis covers BESS capital expenditure and examines how total system costs evolve over the forecast period. Included cost components encompass battery cells and racks, balance-of-system components, power conversion systems, energy-management systems, assembly, shipping, installation, testing, and commissioning. Revenue generated from operating these storage assets is excluded from the capex analysis.

The study segments the market into three principal end-user categories:

• Grid BESS: Front-of-the-meter electrochemical storage systems typically owned by utilities, independent power producers, grid aggregators, power distribution companies, and transmission-system operators. The segment includes standalone BESS and systems colocated with generation facilities
• C&I BESS: Behind-the-meter systems deployed at commercial, industrial, and institutional facilities. The segment includes standalone systems and BESS colocated with distributed generation, generally solar PV.
• Residential BESS: Behind-the-meter electrochemical storage systems deployed at homes. The segment includes standalone BESS and systems colocated with distributed solar PV but excludes portable batteries.

The report excludes the traditional industrial-battery space dominated by UPS-based solutions. System-level data and forecasts are provided specifically for the residential segment, while chemistry forecasts cover lithium-ion, lead-acid, sodium-ion, flow batteries, and other battery technologies.

Market Segmentation Analysis: U.S. battery energy storage system market

The U.S. battery energy storage system market is segmented primarily by end user, comprising grid-scale, commercial and industrial, and residential applications. Each segment has a different investment profile, project scale, growth trajectory, and underlying demand driver.

Grid-scale BESS

Grid-scale BESS represents the largest and most strategically important segment. These systems are generally deployed in front-of-the-meter applications and can support utilities, independent power producers, grid aggregators, power distributors, and transmission operators. Grid-scale projects can range from several megawatts to several hundred megawatts.

The segment benefits from the increasing need to integrate renewable energy, manage grid congestion, support peak demand, and improve system reliability. Grid-scale capex is forecast to increase from $17.50 billion in 2025 to $30.99 billion in 2035, representing a 5.9% CAGR.

Annual grid-scale BESS deployment is also expected to expand. Annual additions rise from 17.2 GW in 2025 to 30.2 GW in 2035, while cumulative capacity increases from 45.5 GW to 311.3 GW during the same period.

Commercial and industrial BESS

C&I BESS consists of behind-the-meter systems serving commercial, industrial, and institutional users. These installations can help businesses manage electricity costs, improve resilience, integrate distributed generation, and optimize energy consumption.

Although the C&I segment is currently relatively underdeveloped in the United States, it is expected to record the fastest capex growth among the three segments. C&I capex is projected to increase from $0.37 billion in 2025 to $3.90 billion by 2035, equivalent to a 26.5% CAGR.

This rapid expansion highlights a significant opportunity for system integrators, technology providers, installers, and energy-service companies.

Residential BESS

Residential BESS includes behind-the-meter storage deployed at homes, either as standalone systems or alongside distributed solar PV. Residential adoption is being supported by rising electricity prices, solar PV growth, energy resilience requirements, and consumer interest in greater control over electricity consumption.

Residential capex is expected to rise from $5.36 billion in 2025 to $10.53 billion in 2035, corresponding to a 7.0% CAGR. Average residential system size is expected to increase from 12 kWh in 2025 to 18 kWh by 2035.

Chemistry segmentation

Lithium-ion remains the leading chemistry within the Battery Energy Storage Systems Market because of its established supply chain, performance characteristics, and declining costs. However, sodium-ion batteries are emerging as an alternative as manufacturers seek to reduce costs and dependence on constrained materials.

Flow batteries are particularly relevant for longer-duration applications, while other battery technologies such as iron-air and nickel-cadmium contribute to the broader technology landscape.

Revenue & Spending Forecast: U.S. battery energy storage system market

The U.S. battery energy storage system market is expected to experience substantial investment growth through 2035. Total BESS capex revenue is forecast to increase from $23.24 billion in 2025 to $45.42 billion in 2035, demonstrating the scale of capital being directed toward storage infrastructure.

Grid-scale projects will continue to dominate total spending because of their large project sizes and role in supporting renewable integration and grid reliability. Grid-scale capex increases from $17.50 billion in 2025 to $30.99 billion in 2035, representing a 5.9% CAGR.

Residential storage is expected to remain a strong secondary investment area. Residential capex rises from $5.36 billion in 2025 to $10.53 billion by 2035, reflecting a 7.0% CAGR. Higher electricity prices and continued solar PV adoption will support this segment.

C&I storage is expected to experience the fastest growth, despite starting from a smaller base. C&I capex increases from $0.37 billion in 2025 to $3.90 billion in 2035, representing a 26.5% CAGR.

The grid-scale deployment outlook reinforces the investment opportunity. Annual grid BESS additions are projected to rise from 17.2 GW in 2025 to 30.2 GW in 2035, while cumulative capacity reaches 311.3 GW by 2035.

Frequently Asked Questions (FAQs) - U.S. Battery Energy Storage System Market

1. What is the U.S. battery energy storage system market?

• The U.S. battery energy storage system market comprises stationary electrochemical storage systems used to store electricity and provide services such as grid regulation, renewable energy integration, peak-demand management, energy resilience, and electricity-market flexibility. The market includes grid-scale, commercial and industrial (C&I), and residential battery energy storage systems.

2. What is the forecast period for the U.S. battery energy storage system market?

• The study covers the U.S. battery energy storage system market from 2023 to 2035, with 2025 as the base year and 2026–2035 as the forecast period. The geographic scope is limited to the United States.

3. How large will the U.S. battery energy storage system market be by 2035?

• Total battery energy storage system capex revenue is forecast to increase from $23.24 billion in 2025 to $45.42 billion by 2035. Grid-scale systems are expected to account for the largest share of investment throughout the forecast period.

4. Which segment will dominate the Battery Energy Storage Systems Market?

• Grid-scale BESS is expected to remain the dominant segment of the Battery Energy Storage Systems Market. Grid-scale capex is projected to increase from $17.50 billion in 2025 to approximately $30.99 billion by 2035, representing a 5.9% CAGR.

5. Which BESS segment will grow the fastest?

• The commercial and industrial (C&I) BESS segment is expected to record the fastest growth. Its capex is forecast to increase from $0.37 billion in 2025 to $3.90 billion by 2035, representing a 26.5% CAGR.

6. What is driving residential battery energy storage adoption?

• Residential battery energy storage adoption is being supported by higher electricity prices, continued solar PV expansion, and increasing demand for energy security and resilience. Residential BESS capex is projected to grow at a 7.0% CAGR from 2025 to 2035.

7. What battery chemistry dominates the energy storage systems market?

• Lithium-ion is currently the dominant chemistry in the energy storage systems market. However, sodium-ion batteries are expected to gain traction because of their potential cost advantages, while flow batteries are attractive for longer-duration storage projects.

8. How much grid-scale BESS capacity is expected by 2035?

• Annual grid-scale BESS additions are forecast to reach 30.2 GW in 2035, compared with 17.2 GW in 2025. Cumulative grid-scale capacity is projected to increase from 45.5 GW in 2025 to approximately 311.3 GW by 2035.

9. How will BESS system duration change through 2035?

• Average BESS duration is expected to increase as asset owners seek to maximize revenue opportunities. By 2035, average system durations are forecast to reach approximately 5 hours for grid systems, 4.5 hours for C&I systems, and 4 hours for residential systems.

10. Who are the key players in the U.S. battery energy storage system market?

• Tesla is identified as the dominant player across BESS categories. Other companies with a presence in the market include Generac, Wartsila, Ameresco, and Schneider Electric. Competition spans equipment manufacturing, system integration, installation, and energy services.

Table of Contents

Scope and Segmentation

• Scope of Analysis
• Battery Energy Storage End-User Segmentation & Definitions

Strategic Imperatives

• Why is it Increasingly Difficult to Grow?
• The Strategic Imperative 8TM
• The Impact of the Top 3 Strategic Imperatives on the United States Battery Energy Storage Industry

Key Findings

• Key Findings
• Grid, C&I, & Residential Capex Forecasts
• Grid, C&I, & Residential Capacity Additions (GW) Forecasts

Growth Opportunity Analysis: Trend Analysis

• Trend #1: Residential Storage Becomes a Grid Asset Through VPP Participation
• Trend #2: Commercial Storage Shifts from Peak Shaving to Multi-Management Energy Services
• Trend #3: Data Center Expansion Creates a New Growth Segment for BTM Storage
• Trend #4: Solar Export Compensation Reforms Drive Higher BTM Storage Attachment Rates
• Residential BESS Annual & Cumulative System Forecasts
• Residential BESS Battery Chemistry Forecasts
• Residential BESS Competitive Landscape

Growth Opportunity Analysis: Commercial & Industrial Battery Energy Storage

• C&I BESS: Key Enablers
• C&I BESS: Significance of the Key Enablers
• C+I BESS Annual & Cumulative GW Forecasts
• C+I BESS Annual & Cumulative GWh Forecasts
• C&I BESS Capex Forecasts
• C&I Battery Chemistry Forecasts
• C&I BESS Competitive Landscape

Growth Opportunity Universe

• Growth Opportunity 1: Flexibility Requirements from Data Centers Create a New Stream of Projects
• Growth Opportunity 2: Geographic Expansion into New Regions of the United States
• Growth Opportunity 3: Growth of Virtual Power Plants and Distributed Energy Networks

Appendix

• Grid-Scale Enabler Definitions: Market Design
• Grid-Scale Enabler Definitions: Physical Market
• Grid-Scale Enabler Definitions: Supportive Policies
• C&I Enabler Definitions: Market Design
• C&I Enabler Definitions: Physical Market
• C&I Enabler Definitions: Supportive Policies
• Residential Enabler Definitions: Market Design
• Residential Enabler Definitions: Physical Market
• Residential Enabler Definitions: Supportive Policies

Next Steps

• Benefits and Impacts of Growth Opportunities
• Next Steps
• List of Exhibits
• Legal Disclaimer