A Very Humble Saving

Standing on a small stepladder in the understairs closet, I recently passed an uncelebrated milestone: I swapped out the last incandescent lightbulb in the house. It was hardly a grand achievement, just the natural result of traditional bulbs failing one by one over the years. Still, my frugal nature found it pleasing, and worth (pardon the pun) shining a light on.

Having changed every bulb with my own fair hand, I can confidently tell you there are 78 in the house. LED lighting should provide a decent "humble saving" from here on.

Take our kitchen/dining area as a small case study. It has 18 bulbs in total. Before LEDs, the fully lit space drew over 1kW of power, and now it draws under 200 watts. That is a wonderful 80% reduction in running costs.

I won't claim every room saw a cut that big, since the kitchen/dining area was always the worst offender. But with 78 bulbs, the savings add up. Assuming roughly a fifth of the lights are on for four or five hours a day through winter, and far less in summer, I reckon we're saving around $150 a year.

There's also a small investment lesson hanging in that closet. The incandescent bulb reigned for well over a century and seemed about as permanent as the light switch itself. Then a better idea came along, helped by a nudge from the regulators, and the old order was gone. Some manufacturers adapted. Others, and anyone who'd put all their faith in them, were left in the dark.

No need to panic. But it might make me gentle question any company or sector that looks too established to fail. I can't tell you which industry will be switched off next, which is rather the point. Spreading my investments widely means I don't have to guess, and I can get on with my bulb-changing in peace.

So there it is: 78 bulbs, one stepladder, and a saving so quiet you'd never hear it. No fanfare, no ribbon-cutting, just a house that's a little brighter and a little cheaper to run. I'll admit to a small, private smugness every time I flick a switch. It's the sort of triumph no one else will ever notice, which suits me fine.

After all, the best savings are the ones that happen while you're not looking.

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