Canadian Solar (NASDAQ: CSIQ) experienced a significant 24-hour plunge of 5.02% on Thursday, extending its losses from the previous trading session. The decline comes in the wake of the company announcing new battery energy storage contracts in Germany and Canada, which paradoxically failed to bolster investor confidence.

The company's subsidiary, e-STORAGE, secured two notable contracts recently. In Ontario, Canada, Canadian Solar will provide a fully integrated energy storage solution for the 411 MW/1,858 MWh Skyview 2 Energy Storage Project, with shipments scheduled to begin in February 2026 and commercial operations starting in the second quarter of 2027. Additionally, e-STORAGE signed an agreement to supply a 20.7 MW battery energy storage system for a project in Germany, with deliveries set to commence in March 2026.

Despite these new contracts demonstrating Canadian Solar's expanding presence in the energy storage market, investors appear to be concerned about the extended timeline for project deliveries and potential execution risks. The long-term nature of these agreements, with operations and deliveries not beginning until 2026, seems to have disappointed market participants who were likely looking for more immediate revenue impact. The sell-off may also reflect growing concerns about the company's ability to execute these large-scale projects effectively or expectations of even larger contracts in the competitive energy storage sector.

As Canadian Solar continues to build its energy storage business, market participants will likely scrutinize the company's capacity to meet project milestones and translate these long-term agreements into tangible financial results. The stock's performance in the coming days may depend on the company's ability to address these concerns and provide a clearer picture of its short-term growth prospects alongside its long-term strategic initiatives.