Canadian Solar Delivers Its First Grid-Connected Battery Energy Storage System in Japan

Rhea-AI Summary

Canadian Solar (NASDAQ: CSIQ) announced that e-STORAGE delivered its first grid-connected battery energy storage system in Japan: a 2 MW rated output unit with 8.25 MWh DC capacity, deployed near the Naebo substation in Sapporo, Hokkaido.

The project, developed by Canadian Solar Projects K.K., was awarded under Hokkaido Electric Power Network's 2023 public land leasing initiative, uses the SolBank platform, entered final commissioning in December 2025, and includes long-term maintenance and end-of-life management authorization under Japan's Wide Area Management Certificate.

Positive

• First deployment of e-STORAGE battery products in Japan
• System specification: 2 MW output and 8.25 MWh DC capacity
• Designed to participate in JEPX and the Balancing Market (EPRX)
• e-STORAGE holds Japan's Wide Area Management Certificate for nationwide end-of-life battery management

Negative

• None.

Key Figures

BESS rated output: 2 MW BESS energy capacity: 8.25 MWh DC

2 metrics

BESS rated output 2 MW First grid-connected battery energy storage system in Japan

BESS energy capacity 8.25 MWh DC First e-STORAGE deployment in Japanese market

Market Reality Check

Price: $20.83 Vol: Volume 2,220,912 shares i...

normal vol

$20.83 Last Close

Volume Volume 2,220,912 shares is at 75% of the 20-day average (2,960,714). normal

Technical Price at $21.83 is trading above the 200-day MA of $16.00.

Peers on Argus

CSIQ gained 3.85% ahead of this Japan BESS news, while peers were mixed: JKS up ...

CSIQ gained 3.85% ahead of this Japan BESS news, while peers were mixed: JKS up 3.16%, SEDG up 0.38%, but SHLS, TOYO, and ENPH down between 1–4%, indicating a stock-specific move rather than a broad solar-sector rotation.

Historical Context

5 past events · Latest: Feb 06 (Positive)

Pattern 5 events

Date	Event	Sentiment	Move	Catalyst
Feb 06	Governance/leadership	Positive	+4.8%	CSIQ CFO named special advisor to Republic Technologies’ board and committee.
Feb 05	Storage project win	Positive	-8.2%	503 MWh Texas storage projects agreement for e-STORAGE and Sunraycer.
Jan 13	Convertible notes closing	Neutral	+8.5%	Closed US$230M 3.25% convertible senior notes due 2031 offering.
Jan 09	Convertible notes pricing	Neutral	-0.1%	Priced US$200M convertible notes due 2031 with option for US$30M more.
Jan 07	Offering announcement	Neutral	-6.2%	Proposed US$200M convertible senior notes due 2031 for growth investments.

Pattern Detected

Recent news shows mixed price reactions: positive on some strategic and financing updates, but a notable selloff on a large Texas storage win, suggesting inconsistent trading responses to operational headlines.

Recent Company History

Over the last few months, Canadian Solar has combined financing, storage growth, and governance developments. Convertible note offerings in January 2026 funded U.S. manufacturing and storage investments, with generally modest price impact. A large Texas storage win on Feb 5, 2026 saw shares fall 8.22%, while a board advisory role for the CFO on Feb 6 coincided with a 4.79% gain. Today’s Japan BESS deployment extends the recent string of storage-related milestones.

Market Pulse Summary

This announcement showcases Canadian Solar’s first grid-connected BESS in Japan, a 2 MW, 8.25 MWh sy...

Analysis

This announcement showcases Canadian Solar’s first grid-connected BESS in Japan, a 2 MW, 8.25 MWh system tied to key power markets and built on its SolBank platform. It follows other recent storage wins, such as the Texas projects, and sits against a backdrop of financing via convertible notes and manufacturing restructuring. Investors may track how quickly similar Japanese or regional deployments scale and how storage growth contributes to margins and earnings over time.

Key Terms

battery energy storage system, bess, japan electric power exchange (jepx), lithium-ion battery systems

4 terms

battery energy storage system technical

"has delivered its first grid-connected battery energy storage system (BESS) in Japan"

A battery energy storage system is a device that stores electricity for later use, much like a rechargeable battery for a phone or laptop. It allows energy generated during times of low demand or from renewable sources to be saved and released when needed, helping to balance supply and demand. For investors, it represents a way to support reliable energy flow and capitalize on the increasing demand for flexible, clean power solutions.

bess technical

"its first grid-connected battery energy storage system (BESS) in Japan, with a rated output"

BESS stands for Battery Energy Storage System, a technology that stores electricity for later use. Think of it as a large rechargeable battery that can hold excess power generated during times of low demand and release it when usage is high, helping balance supply and demand. This is important for investors because it supports the stability of energy grids, enables the integration of renewable sources, and can create new opportunities for profitability in the energy market.

japan electric power exchange (jepx) regulatory

"designed to participate in both the Japan Electric Power Exchange (JEPX) and the Balancing"

Japan Electric Power Exchange (JEPX) is the organized wholesale marketplace where electricity generators, utilities and retailers buy and sell power, and where spot and forward electricity prices are set through trading and auctions. It matters to investors because those prices influence utility and energy-company revenues, the cost of power for factories and services, and the economics of energy projects—much like a farmer’s market sets wholesale prices that ripple through retail costs and business profits.

lithium-ion battery systems technical

"end-of-life management of lithium-ion battery systems, supporting a full-lifecycle approach"

A lithium-ion battery system is a rechargeable power pack made of cells and control electronics that store and release electricity, similar to a large, reusable phone battery for devices, vehicles, or grid storage. Investors care because these systems determine product range, operating costs, safety, and replacement timelines; their performance, materials cost and regulatory or supply-chain risks can directly affect a company’s revenue, margins and long-term competitiveness.

AI-generated analysis. Not financial advice.

KITCHENER, ON, Feb. 11, 2026 /PRNewswire/ -- Canadian Solar Inc. (the "Company" or "Canadian Solar") (NASDAQ: CSIQ) today announced that e-STORAGE, its energy storage solutions business, has delivered its first grid-connected battery energy storage system (BESS) in Japan, with a rated output of 2 MW and an energy capacity of 8.25 MWh DC. The facility marks the first deployment of e-STORAGE's battery products in the Japanese market and reflects Canadian Solar's long-standing commitment to Japan.

The project, developed by Canadian Solar Projects K.K., is located adjacent to the Naebo substation in Sapporo City, Hokkaido, and was awarded to Canadian Solar as part of Hokkaido Electric Power Network Company, Inc.'s 2023 public land leasing initiative. The facility is designed to participate in both the Japan Electric Power Exchange (JEPX) and the Balancing Market (EPRX), contributing to enhanced grid flexibility, renewable energy integration, and market stability in Hokkaido. The system is built on e-STORAGE's SolBank platform. The battery energy storage system was delivered to the site in September 2025, and the project entered final commissioning in early December 2025.

e-STORAGE was responsible for the design, engineering, and commissioning of the project, and will also provide long-term maintenance and inspection services throughout the operational life of the BESS. As a holder of Japan's government-recognized Wide Area Management Certificate, e-STORAGE is authorized to take responsibility for compliant, nationwide end-of-life management of lithium-ion battery systems, supporting a full-lifecycle approach that aligns with Japan's regulatory framework and utility market requirements.

Colin Parkin, President of Canadian Solar and President of e-STORAGE, stated, "This energy storage project represents a key milestone in Canadian Solar's commitment to supporting Japan's energy transition. e-STORAGE is proud to deliver a reliable, market-responsive solution that strengthens grid resilience. Looking ahead, we remain committed to providing high-quality energy storage solutions that meet the evolving needs and regulatory requirements of the Japanese market."

About Canadian Solar Inc.

Canadian Solar is one of the world's largest solar technology and renewable energy companies. Founded in 2001 and headquartered in Kitchener, Ontario, the Company is a leading manufacturer of solar photovoltaic modules; provider of solar energy and battery energy storage solutions; and developer, owner, and operator of utility-scale solar power and battery energy storage projects. Over the past 24 years, Canadian Solar has successfully delivered nearly 170 GW of premium-quality, solar photovoltaic modules to customers across the world. Through its subsidiary e-STORAGE, Canadian Solar has shipped over 16 GWh of battery energy storage solutions to global markets as of September 30, 2025, boasting a $3.1 billion contracted backlog as of October 31, 2025. Since entering the project development business in 2010, Canadian Solar has developed, built, and connected approximately 12 GWp of solar power projects and 6 GWh of battery energy storage projects globally. Its geographically diversified project development pipeline includes 25 GWp of solar and 81 GWh of battery energy storage capacity in various stages of development. Canadian Solar is one of the most bankable companies in the solar and renewable energy industry, having been publicly listed on the NASDAQ since 2006. For additional information about the Company, follow Canadian Solar on LinkedIn or visit www.canadiansolar.com.

About e-STORAGE

e-STORAGE is a subsidiary of Canadian Solar and a leading company specializing in designing, manufacturing, and integrating battery energy storage systems for utility-scale applications. e-STORAGE offers proprietary battery energy storage solutions, comprehensive EPC services, and innovative solutions aimed at improving grid operations. Currently, e-STORAGE operates fully automated, state-of-the-art manufacturing facilities with an annual battery energy storage system capacity of 15 GWh and battery cell capacity of 3 GWh, on a single-shift and double-shift annualized basis, respectively. For more info, please refer to the Media&PR section of www.csestorage.com and follow our LinkedIn page.

Safe Harbor/Forward-Looking Statements 

Certain statements in this press release, including those regarding the Company's expected future shipment volumes, revenues, gross margins, and project sales are forward-looking statements that involve a number of risks and uncertainties that could cause actual results to differ materially. These statements are made under the "Safe Harbor" provisions of the U.S. Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by such terms as "may", "will", "expect", "anticipate", "future", "ongoing", "continue", "intend", "plan", "potential", "prospect", "guidance", "believe", "estimate", "is/are likely to" or similar expressions, the negative of these terms, or other comparable terminology. These forward-looking statements include, among other things, our expectations regarding global electricity demand and the adoption of solar and battery energy storage technologies; our growth strategies, future business performance, and financial condition; our transition to a long-term owner and operator of clean energy assets and expansion of project pipelines; our ability to monetize project portfolios, manage supply chain fluctuations, and respond to economic factors such as inflation and interest rates; our outlook on government incentives, trade measures, regulatory developments, and geopolitical risks; our expectations for project timelines, costs, and returns; competitive dynamics in solar and storage markets; our ability to execute supply chain, manufacturing, and operational initiatives; access to capital, debt obligations, and covenant compliance; relationships with key suppliers and customers; technological advancement and product quality; and risks related to intellectual property, litigation, and compliance with environmental and sustainability regulations. Other risks were described in the Company's filings with the Securities and Exchange Commission, including its annual report on Form 20-F filed on April 30, 2025. Although the Company believes that the expectations reflected in the forward-looking statements are reasonable, it cannot guarantee future results, level of activity, performance, or achievements. Investors should not place undue reliance on these forward-looking statements. All information provided in this press release is as of today's date, unless otherwise stated, and Canadian Solar undertakes no duty to update such information, except as required under applicable law.

CANADIAN SOLAR INC. INVESTOR RELATIONS CONTACT
Wina Huang
Investor Relations
Canadian Solar Inc.
investor@canadiansolar.com

e-STORAGE MEDIA CONTACT
marketing@csisolar.com 

View original content:https://www.prnewswire.com/news-releases/canadian-solar-delivers-its-first-grid-connected-battery-energy-storage-system-in-japan-302684698.html

SOURCE Canadian Solar Inc.

FAQ

What are the technical specs of Canadian Solar's first BESS in Japan (CSIQ)?

The facility has a 2 MW rated output and 8.25 MWh DC energy capacity. According to Canadian Solar, it is built on the e-STORAGE SolBank platform and was delivered to site in September 2025, entering final commissioning in December 2025.

Where is Canadian Solar's (CSIQ) first Japan battery project located and how was it awarded?

The project sits adjacent to the Naebo substation in Sapporo, Hokkaido. According to Canadian Solar, it was awarded under Hokkaido Electric Power Network's 2023 public land leasing initiative and developed by Canadian Solar Projects K.K.

How will the CSIQ BESS participate in Japan's power markets and help the grid?

The system is designed to participate in JEPX and the Balancing Market (EPRX) to provide market-responsive services. According to Canadian Solar, it aims to enhance grid flexibility, support renewable integration, and improve market stability in Hokkaido.

Who will operate and maintain Canadian Solar's e-STORAGE system in Japan (CSIQ)?

e-STORAGE handled design, engineering, and commissioning and will provide long-term maintenance and inspection services. According to Canadian Solar, e-STORAGE will manage operations and lifecycle services throughout the BESS operational life.

Does Canadian Solar (CSIQ) have regulatory authorization for battery end-of-life management in Japan?

Yes. According to Canadian Solar, e-STORAGE holds Japan's government-recognized Wide Area Management Certificate, authorizing compliant, nationwide end-of-life management for lithium-ion battery systems.