The article is specifically about California, so looking at PG&E, SDG&E and SCE is appropriate. They all have eye-watering prices for electricity. For example,

The article is specifically about California, so looking at PG&E, SDG&E and SCE is appropriate. They all have eye-watering prices for electricity. For example, PG&E's default residential plan rates range from $0.41 to $0.54 per KWh. https://www.pge.com/tariffs/assets/pdf/tariffbook/ELEC_SCHEDS_E-TOU-C.pdf https://www.pge.com/tariffs/assets/pdf/tariffbook/ELEC_SCHED... It's fairly easy to put together a solar system that pays itself off in single digit years but lasts 20-30.