Christopher Johnson·Aug 25, 2025The Real Economics of Home Solar+Battery after 1,000 CyclesHow massive utility rate increases killed battery arbitrage but made solar the VIPA response icon2A response icon2
Christopher Johnson·Oct 2, 2024Solar in California Still Compelling Savings Given Soaring Electricity RatesLast year regulations slashed the solar finances by ~75%…meanwhile utilities jack up rates. Is solar still worth it in California? Let’s…
Christopher Johnson·Apr 15, 2024Could a new EV charger break the local grid? Probably!EV charging is pushing distribution grid infrastructure beyond its limits faster than it is being upgraded.
Christopher Johnson·Mar 9, 2023Top 10 Best Parts of Driving an EVAfter a couple years, no desire to go back to a gas car. What makes EVs so great? Here’s my top 10 reasons!A response icon1A response icon1
Christopher Johnson·Mar 1, 2023Californians — Get Solar NOW (If You Can)Do you live in California and own your home? If yes, you need to get solar. Do it before you get screwed by new regulations (April 14).
Christopher Johnson·Feb 18, 2023Our Obsession With Big Cars (Trucks) Is a ProblemSUV and truck sales dominate vehicle markets, but even if they are electric, there are huge issues for personal, planetary and safety…
Christopher Johnson·Oct 21, 2022The electric vehicle industry learning curve (and my EV battery recall)Inside a battery recall and the crowded public charging landscape
Christopher Johnson·Jul 11, 2022Road-trip Cost and Experience Comparison: ICE vs EV, 800+ milesThis week, my Bolt EV battery replacement finally happened, after about 9 months since it was announced as necessary. Getting the…
Christopher Johnson·Mar 28, 2022Are EVs Really Cheaper 3–6X Cheaper if You Can’t Charge at Home?Surging gas prices make EVs more affordable, but most analysis of costs of driving an EV only account for charging at home.
Christopher Johnson·Jan 27, 2022What Does DC Fast Charging an EV Cost? (v2) (EVGo, Electrify America, ChargePoint)Crunching a year of EV charging data to determine how much it costs to charge and which fast charging network is the best deal!