“Cost minimized combinations of wind power, solar power and electrochemical storage, powering the grid 99.9% of the time” Abstract, article, .PDF https://www.sciencedirect.com/science/article/pii/S0378775312014759
“Cost minimized combinations of wind power, solar power and electrochemical storage, powering the grid 99.9% of the time” Abstract, article, .PDF https://www.sciencedirect.com/science/article/pii/S0378775312014759