Canadian Solar (CSIQ) Soars as Q3 2025 Earnings Highlight Battery Storage Boom and New Mega Deals

Canadian Solar Inc. (NASDAQ: CSIQ) lit up the solar and storage sector on Thursday after posting third‑quarter 2025 results that beat revenue and margin guidance, powered by record battery energy storage shipments and a swelling project backlog. The stock jumped more than 10–13% in pre‑market and early trading as investors cheered the strength of the company’s e‑STORAGE business and upbeat guidance for the rest of 2025 and into 2026. ^[1]

At the same time, fresh headlines today highlighted Canadian Solar’s rapidly growing footprint in grid‑scale storage, including a 1.86 GWh energy storage contract in Ontario and a new long‑term storage deal in Germany, both of which underscore the company’s strategic pivot toward higher‑margin solutions. ^[2]

Key takeaways for November 13, 2025

Q3 2025 net revenue: about $1.5 billion, at the top of the company’s guidance range and above analyst estimates. ^[3]
Profitability: GAAP net income of $9 million, but a diluted loss of $0.58 per share on an adjusted basis, wider than last year yet much better than consensus expectations. ^[4]
Margins and mix: Gross margin came in at 17.2%, topping guidance of 14–16%, helped by strong contributions from battery energy storage systems. ^[5]
Storage momentum: e‑STORAGE shipped a record 2.7 GWh of battery energy storage in the quarter and ended October with a $3.1 billion contracted backlog. ^[6]
Guidance: For Q4 2025, Canadian Solar expects $1.3–$1.5 billion in revenue, 14–16% gross margin, and up to 2.3 GWh of storage shipments. For full‑year 2026, management is targeting 25–30 GW of module shipments and 14–17 GWh of storage shipments at CSI Solar. ^[7]
Mega projects: New deals include the Skyview 2 project in Ontario (411 MW / 1,858 MWh) and a 20.7 MW / 56 MWh storage project in Lower Saxony, Germany, both featuring the company’s SolBank platform and long‑term service contracts. ^[8]
Market reaction: CSIQ shares jumped roughly 10–13% pre‑market, trading in the low‑$30s, with intraday ranges reported between about $28 and $32, and a market cap near $1.9 billion. ^[9]

Q3 2025: Earnings beat on revenue and margins, but losses remain

Canadian Solar’s third‑quarter 2025 report paints a mixed but improving picture.

Top line and earnings

For the quarter ended September 30, 2025, the company reported net revenues of approximately $1.5 billion, landing at the high end of its guidance range and comfortably ahead of Wall Street estimates of around $1.36–$1.37 billion. ^[10]

On the bottom line, the story is more nuanced:

GAAP result: Net income of $9 million, with a net loss of $0.07 per share, reflecting accounting adjustments and non‑recurring items. ^[11]
Non‑GAAP (adjusted): An adjusted diluted loss of $0.58 per share, wider than the adjusted loss of $0.31 in Q3 2024, but significantly better than consensus expectations, which had called for a much larger loss. ^[12]

Gross profit for the quarter was roughly $256 million, with the 17.2% gross margin beating both guidance and last year’s level (16.4%), even as it fell sharply from an unusually strong second quarter that benefited from one‑time project‑related profit recognition. ^[13]

Operating expenses dropped to about $222 million, down from both the previous quarter and the prior‑year period, as earlier impairment charges rolled off and cost‑cutting efforts continued, bringing operating expenses to roughly 15% of revenue. ^[14]

Shipments and segment mix

The results also underscore how Canadian Solar’s business mix is shifting:

Module shipments: The company recognized 5.1 GW of solar module shipments as revenue in Q3, down materially quarter‑over‑quarter and year‑over‑year as pricing pressure and selective market focus weighed on volumes. ^[15]
Battery energy storage shipments: In contrast, the e‑STORAGE unit delivered a record 2.7 GWh of storage systems, above its own guidance and increasingly central to group profitability. ^[16]

Management highlighted that a greater share of module shipments is now headed to North America, supported by the successful ramp‑up of its Mesquite factory in the U.S. and by more disciplined allocation to profitable markets. ^[17]

Battery storage takes center stage

If there is one clear theme from today’s news, it is that battery energy storage systems (BESS) are moving from sidekick to star in Canadian Solar’s growth story.

Record e‑STORAGE quarter and backlog

Canadian Solar reported that e‑STORAGE:

Shipped 2.7 GWh of storage in Q3 2025, a company record.
Maintains a contracted backlog of about $3.1 billion as of October 31, 2025. ^[18]

The company notes that storage products are generally delivering better blended margins than solar modules, helping offset pricing pressure in the PV market. ^[19]

New marquee deals in Canada and Germany

Two large storage contracts announced this week are now being widely discussed in today’s coverage:

Skyview 2 – Ontario, Canada (Skyview 2 Energy Storage Project)
- Scale: 411 MW / 1,858 MWh (1.86 GWh DC) of storage capacity in Edwardsburgh Cardinal, Ontario.
- Role: e‑STORAGE will supply roughly 390 units of its SolBank 3.0 system and act as turnkey EPC provider, including system integration, substation works, and grid interconnection.
- Timeline: Equipment deliveries are expected to start in February 2026, with commercial operation targeted for Q2 2027. ^[20]
Lower Saxony – Germany (20.7 MW / 56 MWh BESS)
- Scale: 20.7 MW / 56 MWh DC storage project in Lower Saxony, Germany.
- Scope: e‑STORAGE will provide an integrated BESS based on its SolBank platform plus a 20‑year long‑term service agreement to ensure lifecycle performance.
- Partners: Developed by Kyon Energy, which will also manage EPC activities through commissioning. ^[21]

An industry roundup from EnergyTrend today framed these wins as part of a broader surge of over 3 GWh of new overseas storage orders booked by several Chinese‑linked energy storage players, with Canadian Solar’s Skyview 2 deal representing the largest single chunk of that total. ^[22]

GuruFocus also emphasized that while Canadian Solar’s European push through deals like the Lower Saxony project should deepen its presence in a high‑value market, it is doing so against the backdrop of negative earnings and thinner profitability, raising questions about how quickly storage‑driven growth can translate into sustained shareholder returns. ^[23]

U.S. manufacturing build‑out and 2026 ambitions

Beyond the quarter, Canadian Solar used today’s update to reinforce a multi‑year manufacturing expansion plan focused on the United States:

Indiana solar cell factory: Phase I is expected to begin production in March 2026, supporting domestic module manufacturing and IRA‑driven demand. ^[24]
Kentucky integrated battery facility: The company is building an integrated lithium battery cell, pack, and storage system plant in Kentucky, with production planned to start in Q4 2026. ^[25]

Management’s longer‑term outlook for 2026 reflects those investments and the ramp‑up of its storage platform:

CSI Solar expects 25–30 GW of module shipments, including about 1 GW to Canadian Solar’s own projects.
It also guides for 14–17 GWh of storage shipments in 2026. ^[26]

These ambitions build on a sizeable base. As of September 30, 2025, Canadian Solar says it has:

Delivered nearly 170 GW of solar modules worldwide.
Shipped over 16 GWh of battery storage solutions via e‑STORAGE.
Developed and connected around 12 GWp of solar projects and 6 GWh of storage projects globally.
Built a project pipeline of 25 GWp of solar and 81 GWh of storage in various stages. ^[27]

Stock market reaction: CSIQ jumps, volatility remains high

Investors wasted little time reacting to the earnings and project news.

Big pre‑market move

Several real‑time feeds showed CSIQ up roughly 10–13% in pre‑market trading on November 13, 2025, with prices around the low‑$30s:

Stocktwits reported shares “jumped over 13% in premarket trading” after the better‑than‑expected print. ^[28]
Reuters and other outlets noted gains of roughly 12–13%, citing strong storage shipments and a revenue beat as key drivers. ^[29]
A pre‑market summary from Public.com put CSIQ at about $31.29, up nearly 10% versus the prior close of $28.46. ^[30]

By regular trading hours, MarketWatch data showed:

Day range: roughly $28–$32.
52‑week range: about $6.57–$33.75.
Market cap: around $1.9 billion. ^[31]

Short‑term, the stock has been extremely volatile. StockInvest notes the share price is up roughly 62% over the last two weeks, even after a sharp pullback in the prior session, underscoring how quickly sentiment around solar and storage names can swing. ^[32]

Stocktwits also flagged that retail sentiment flipped to “extremely bullish”, with CSIQ among the platform’s most‑discussed tickers this morning. ^[33]

How solid is the turnaround?

Today’s numbers and project wins support the narrative that Canadian Solar is successfully repositioning itself around storage and higher‑value markets, but they also expose some lingering vulnerabilities.

The positives

Storage‑led margin support: Battery storage now contributes materially to margins and revenue resilience, helping offset weaker module pricing. ^[34]
Deep backlog and project pipeline: A multibillion‑dollar contracted storage backlog and a large global development pipeline provide visibility into future growth. ^[35]
Geographic diversification: Large new projects in Canada, Germany, Australia and North America more broadly reduce dependence on any one market or policy regime. ^[36]
Manufacturing localization: New U.S. factories in Indiana and Kentucky should position the company to tap domestic incentives and reduce trade‑related friction. ^[37]

The caution flags

Still loss‑making on an adjusted basis: Even in a “good” quarter, Canadian Solar posted an adjusted loss per share, and the adjusted loss widened versus a year earlier. ^[38]
Revenue and shipments under pressure: Total module shipments and revenue are down year‑over‑year, reflecting a tougher solar module pricing environment and more selective sales. ^[39]
Valuation vs. fundamentals: GuruFocus highlighted that, despite financial challenges and thin profitability, valuation metrics for CSIQ now sit near historical highs, which could limit upside if execution wobbles. ^[40]
Macro and policy risks: Management itself stresses that its outlook depends on factors like interest rates, grid connection timelines, and the policy backdrop for both solar and storage. ^[41]

What to watch next

For investors, analysts, and industry watchers tracking Canadian Solar after today’s move, several catalysts stand out:

Q4 2025 execution
Can the company hit its $1.3–$1.5 billion revenue and 14–16% gross margin targets while shipping up to 2.3 GWh of storage? The answer will show whether this quarter’s margin performance is repeatable or mainly timing‑driven. ^[42]
Conversion of storage backlog
With a $3.1 billion storage backlog and marquee deals like Skyview 2 and the Lower Saxony project in hand, the pace at which the company converts backlog into revenue and cash will be closely watched. ^[43]
U.S. factory milestones
Any delays or cost overruns at the Indiana or Kentucky plants could weigh on sentiment, while faster‑than‑expected progress might reinforce the bull case for Canadian‑ and U.S.‑centric growth. ^[44]
Further European and global storage wins
Today’s German and Canadian deals may not be the last. Additional project wins—particularly in Europe and key North American markets—would support the thesis that Canadian Solar is emerging as a global storage heavyweight. ^[45]

Bottom line

On November 13, 2025, Canadian Solar delivered exactly what solar‑and‑storage investors wanted to see: a clear demonstration that battery storage is becoming the company’s growth engine, paired with revenue and margin beats that justify at least some of the stock’s sharp recent rally.

Yet the path forward is not risk‑free. The company is still working its way back to consistent profitability, and it must navigate a choppy macro backdrop, ongoing solar oversupply, and the execution challenges that come with global mega‑projects and a large manufacturing build‑out.

For now, though, the market verdict is clear: storage‑driven growth plus better‑than‑feared earnings equals a brighter near‑term outlook for CSIQ.

This article is for informational purposes only and does not constitute investment advice. Always do your own research or consult a qualified financial adviser before making investment decisions.

Canadian Solar (CSIQ) Smashes Earnings — Record Battery Shipments Drive Big Beat! 🔋🚀