How Energy Vault’s $150 Million Note Deal Reshaped Its Balance Sheet

Energy Vault Holdings, Inc. (NYSE:NRGV) is one of the best renewable energy penny stocks to buy. On March 3, 2026, Energy Vault said it closed an upsized $150 million financing in convertible senior notes, above the $125 million size it had initially announced. The company said the deal was aimed at strengthening its balance sheet and supporting execution of its own-and-operate strategy. Energy Vault also said it used part of the proceeds to repay existing higher-cost debt. Specifically, on February 19, ...