· 8 min read
Battery or generator?
With the rise of battery backup, homeowners now have a new choice for power when the lights go out. Learn how they compare to generators, what they cost, how they work, and which one is right for you.
Solar & BatteryView all
· 8 min read
Should you go battery-only, or battery + solar?
Backup batteries give homeowners a powerful new way to avoid blackouts and save on energy. In this article, we'll explain the differences between battery-only and battery + solar systems.
· 10 min read
A brief history of the solar panel
From a $300-a-watt curiosity bolted to a satellite to a 400-watt workhorse sitting on millions of American roofs, the solar panel has had one of the more remarkable journeys in consumer technology. Here is how it got here.
Savings EstimatorAdvertisement · Daylight
Your monthly electric bill
Estimated yearly savings
$960/yr
That’s up to $80 a month off your electric bill.Your rate with DaylightFlat for 25 yearsYour Daylight rate is locked at signing, with a 0% annual increase.
The GridView all
· 7 min read
What the biggest utility merger in US history means for your power bill
NextEra Energy announced plans to buy Dominion Energy in a $67 billion deal. Here’s what homeowners everywhere should know.
· 6 min read
This 4th of July, blackouts sent one million Americans back to 1776
Why did more than one million Americans spend the nation’s 250th birthday in the dark?
· 8 min read
Why Illinois’ wholesale power costs jumped 1,038%
An inside look at what’s causing the dramatic spike in Illinois electricity prices.
Battery SizerAdvertisement · Daylight
What do you want to keep running?
Add EV charging7.2 kW. Usually paused during an outage.
How long do you need backup?
Your home stays powered for
37hours
Enough to get you through a full day.Recommended battery10 kWh
Mother NatureView all
· 6 min read
A brief history of the sun
Meet the sun: a 4.6-billion-year-old nuclear reactor that delivers more energy to Earth in one hour than humanity uses in a year. Here is the full story of what it is and how it works.
· 9 min read
What causes brownouts?
Like thunderstorms and fireflies, brownouts are a part of summer for many homeowners. Here's what causes them, why they happen more in summer, and why the grid is more vulnerable to them than ever.
Utility rate lookupAdvertisement · Daylight
Utilities in Illinois · pick yours
Illinois residential rate rise since 2021+55%Now 20.5¢ per kWh on average in Illinois, up from 13.2¢ in 2021.
Active rate caseICC 24-0181, 2024 to 2027 multi-year grid plan
ComEd Supply price to compare: 10.4¢ · Jun 20262021Today2030
Your utilityWith Daylight
Source: U.S. EIA state averages and PUC filings · 2021 to 2026