In the absence of PPAs, solar developers are leaning on munis and coops to place solar on landfills. Develop-sell model.
Lithium-ion battery prices have fallen 80% since 2010. US installed energy storage capacity 2018 2.3 GW, 2030 73.5 GW
Oil and Gas
France will be able to cover 1/3rdof its gas requirements with biomethane by 2030.
Siemens Gamesa hot rocks heated by conventional sources to hold heat up to 24 hours. LCOE 12c/kWh. In-earth concrete bed, round shape. Beats battery storage limit of 4 hours. EnPot Shell Heat Exchanger
Credit metrics for gas-fired power:
(1) Revenue Risk - Maintain atleast 1.30x DSCR before downgrade. Ideally min 1.50x or higher.
(2) Regulatory Risk - Potential downgrade for CA regulation on emissions.
Solar and Wind