Marine Electricals shares surged 7.7% to hit an intraday high of ₹408.65 on Monday, September 21, 2026, following the company's announcement of its latest capacity expansion update. According to NSE data, the stock was trading at ₹405.75 during afternoon market hours, representing significant investor interest in the new manufacturing facility. Trading volumes surpassed 1.3 million equity shares across both NSE and BSE combined, with investors focusing on the new facility's capability to manufacture power train units (PTUs) for data centres. The company's market capitalisation stood at ₹5,865 crore as of the trading session on Monday, September 21.
Marine Electricals (India) has commenced production at its new manufacturing facility in Goa, marking a significant expansion in the company's operational capabilities. As per NSE filings, the facility began operations on September 14, 2026, and focuses exclusively on power train units (PTUs) for data centres and shore conversion systems for ports. The facility represents the company's sixth manufacturing unit and spans approximately 1,60,000 sq ft of combined floor space. Starting its operations last week, the company estimates the facility to achieve its full manufacturing capacity of approximately 800 PTUs annually for data centres by March 2027.
The new Goa plant is strategically positioned to serve growing demand in critical infrastructure sectors. As reported by NSE filings, the facility is expected to reach full manufacturing capacity of about 800 PTUs annually for data centres by March 2027. The company's existing five fully operational units in Goa and one in Vadodara will continue manufacturing LV/MV switchboards and busducts, maintaining diversified production capabilities across the company's portfolio. The new facility will exclusively focus on manufacturing PTUs for Data Centres and Shore Conversion Systems for Ports, as per the exchange filing.
The new facility aligns with Marine Electricals' growth strategy and operational efficiency objectives. According to the company's NSE filing, the plant is designed to strengthen production capabilities, improve operational efficiency, and support growing demand from Marine and Industrial business segments. The Goa plant marks an important step in the Company's capacity expansion strategy and is expected to enhance its ability to execute larger and more complex projects while supporting long-term growth plans in the power distribution and marine infrastructure sectors. The facility will also generate employment opportunities in the region across production, engineering, logistics, quality assurance and other operational functions.
Marine Electricals shares have demonstrated exceptional performance across multiple timeframes, with the stock rallying 92% year-to-date in 2026 and gaining 8% in the past one-month period. However, the company's stock has declined 3% in the last five market sessions. On a longer-term basis, NSE data shows the stock has delivered more than 987% returns to investors in the last five years, over 575% gains in the last three years, and more than 83% returns on their investment in the past one-year period. The stock reached its 52-week high of ₹450 on September 3, 2026, while the 52-week low was at ₹150.86 on March 30, 2026.
