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Retail/tou prices when solar generation is high are not directly used in the solar value estimate, which only considers wholesale energy and capacity prices.
The speakers did not model behind-the-meter (BTM)-sited storage or its impact on electricity markets.
Utilities in CAISO pay an average of $16/MWh for solar PPAs for projects that came online in 2019 and $19/MWh for those that came online in 2021.
The price curve if every EV in CAISO bought charging energy during high solar production hours was not estimated.
The confidence ranges on slide 9 represent the generation-weighted average of the 10th and 90th percentile of estimated value points, encompassing differences in generation profiles and nodal LMPs.
Hawaii is not studied due to its lack of wholesale markets.
The energy value formula is the product of modeled solar hourly generation and coincident electricity prices, summed over a year and divided by annual solar generation.
The capacity value formula multiplies the capacity credit by the project's nameplate capacity and prevailing capacity prices, then divides by pre-curtailment solar generation.
BPS-connected solar resources provide primary grid services of energy and capacity, with some also providing reactive power and spinning reserves. PV+Storage hybrids provide regulating reserves and can reduce utility billing determinants.