4) Put the hat in the oven immediately. Don't worry, this won't melt it. The hat is 100% polyester, and as long as you keep it below 446 degrees Fahrenheit, it won't melt. That's why I recommend about 300 degrees Fahrenheit, a sufficient temperature to shrink the fabric and yet not do any damage.
The downside is that the system remains pricey. For an average home, the battery storage system can run $10,000 to $25,000. But with long-term financing options and declining solar photovoltaic prices, the cost can end up penciling out at a price that's competitive with electricity from HECO, said Saturnia.or an average home, the battery storage system can run $10,000 to $25,000. But with long-term financing options and declining solar photovoltaic prices, the cost can end up penciling out at a price that's competitive with electricity from HECO, said Saturnia.
1 The cost of a storage unit varies depending on several factors. 2  For instance, the location or state, size or area, and specifications, among others, may have an impact on the price. 3  On average, the prices of a storage unit can range anywhere from as little as $25 to as much as $250 per month. For instance, a 5 x 5 foot storage unit costs around $40 to $50. 2  A 10 x 15 foot space runs around $75 to $150 and a 10 x 20 foot storage unit costs around $95 to $180.