Chennai Metro Rail uses solar power for 22% of its non-train electricity needs
Chennai Metro Rail harnesses solar power for 22% of non-train electricity, saving ₹5.6 crore annually on energy costs.
22 May 18:48 · The Hindu
Chennai Metro Rail uses solar power for 22% of its non-train electricity needs
Chennai Metro Rail harnesses solar power for 22% of non-train electricity, saving ₹5.6 crore annually on energy costs.
22 May 18:48 · The Hindu
last updated on 22 May 21:35