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Energy 101
How many watts does a refrigerator use? (And what it costs you each month)
Most fridges use 300–800 watts, but the real cost is in how long they run. See how to calculate your fridge's kWh usage — and how solar can offset it.
Solar 101
How long do solar panels last? (30+ years — here’s what the data says)
Modern solar panels are built to last 30+ years, but real-world lifespan depends on brand, climate, and maintenance. Here's what NREL data and warranties actually tell you.
Energy 101
kW vs. kWh: What’s the difference — and why it matters for your electric bill
A kW and a kWh may sound alike, but they’re very different in measuring electricity use. Learn the meanings of both and what they mean for your energy bill.
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