The corporate funding for battery-storage, smart-grid and energy-efficiency sectors more than doubled to $19.5 billion in 2021.
Corporate funding includes venture capital funding, public-market, and debt financing.
The report said that total corporate funding in 2021 was up 140 percent, with $19.5 billion compared to $8.1 billion in 2020 for the battery-storage, smart-grid and energy-efficiency sectors.
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