I stood there on her porch for a moment, listening to the deadbolt click, and that was when the situation officially crossed from annoying to ridiculous. But it still could have ended there. Honestly, if Evelyn had just stopped, I probably would have let the whole thing go. Instead, about five days later, I opened my mailbox and found an official envelope from the homeowners association. Inside was a violation notice. Apparently I was being formally cited for something called energy-exclusivity practices inconsistent with community resource sharing. I had to read that sentence three times before it even made sense. According to the letter, my solar system represented externally accessible infrastructure, and denying HOA members access could be interpreted as restricting shared utility benefits. Shared utility benefits. I just stood there at the mailbox laughing, because only Evelyn Thorne could invent a rule that claimed my personal solar system belonged to the neighborhood.
That evening I called my friend Gavin. Gavin used to work with me at a plant outside Phoenix before he moved into residential electrical design. If you ever want someone to analyze a bad idea with enthusiasm, Gavin is your guy. I told him the whole story. The charger, the logs, the HOA letter. There was about five seconds of silence on the phone. Then Gavin started laughing so hard I had to pull the phone away from my ear. “Oh man,” he said finally. “You’re telling me the HOA president is stealing your solar power?” “Borrowing,” I corrected dryly. “That’s incredible.” “Not helpful.” He was still chuckling. “So what are you going to do?” “Tried talking to her. She thinks sunlight is public property.” Gavin whistled. “Well, technically speaking, the sun does belong to everyone.” “Gavin.” “I’m kidding. I’m kidding.” There was a pause, and his voice shifted slightly. “You know,” he said, “if someone kept plugging into a system like that without permission, you could design a load-response circuit.” I leaned back in my chair. “A what?” “A protective voltage-spike relay.”
If you are not an electrical person, that probably sounds more dramatic than it is, but the concept is simple. You build a secondary port that looks identical to the real charger. But when something draws current, it triggers a controlled voltage surge that shuts down the connection instantly. Safe for the house system, but extremely unpleasant for whatever device just connected. “Nothing dangerous,” Gavin said. “It’s just enough to fry a cheap charging cable or scare someone into never touching it again.” I stared at the charger outside through the garage window. The wheels in my brain were already turning. “You’re saying build a decoy?” “I’m saying protect your system. Engineers call that a learning experience.” He laughed again.