Power outages in Colorado aren’t just occasional anymore, they’re becoming expected.

From the Marshall Fire that left thousands without power, to recent wildfire-related shutoffs, to the December 2024 bomb cyclone that caused widespread outages, homeowners across the state are seeing how fragile the grid can be.

At the same time, utilities like Xcel Energy continue raising electricity rates, often 6–10% annually in recent years, putting even more pressure on homeowners.

So the question becomes simple:

What happens when the grid goes down, and how do you stay powered?

Why Solar Alone Isn’t Enough
(And What Most Homeowners Don’t Know)

Even if you have solar panels, your system will shut off during an outage.

This is due to a safety feature called anti-islanding, which prevents electricity from flowing back into the grid while crews are working.

So what does that mean for you?

Your panels may still be producing energy
But your system won’t let you use it
Your home still loses power

Without a battery:

Your solar system is effectively off
You’re still dependent on the grid
That means a $20,000–$30,000 solar system alone does not give you backup power.

Why It Matters in Colorado

Outages here aren’t rare, wildfires, storms, and grid strain make them more common.

You could have full sun and still be in the dark.

What a Battery Does

A battery lets your system keep running when the grid goes down.

Your home disconnects from the grid
Your battery powers essential appliances
Your solar keeps charging the battery during the day

Bottom Line

Solar only → saves money
Solar + battery → keeps your home running

How Solar and Battery Backup Works

When you add a battery, your system becomes self-sufficient.

Here’s what happens:

During the day, your solar panels power your home
Excess energy is stored in the battery
When the grid goes down, your system automatically switches to battery power

No manual switching. No interruption.

One of the most common systems homeowners choose is the Tesla Powerwall.

It can power essential appliances like:

Refrigerators
Lights
Internet and devices
Certain heating systems

Key Specs (What You’re Actually Getting)

13.5 kWh storage capacity (usable energy)
7 kW continuous power output
Up to 10 kW peak power
Rechargeable daily with solar

Depending on your setup, your battery can keep critical parts of your home running for hours, or even longer when paired with solar recharging during the day.

What Does a Tesla Powerwall Actually Power?

Let’s make this real.

A single battery can typically power:

Refrigerator → ~150–300 watts
Wi-Fi + devices → ~100–200 watts
Lights (LED) → ~100–300 watts total
TV + outlets → ~100–300 watts

👉 That’s roughly 500–1,500 watts of continuous usage

Estimated Runtime

With a 13.5 kWh battery:

Essential loads only → 10–20+ hours
With solar recharging → multi-day backup possible
With 2 batteries → 1–3 days of backup (depending on usage)

If you try to run everything (AC, oven, etc.), runtime drops fast.

That’s why system design matters more than the battery itself.

Why Homeowners in Colorado Are Adding Batteries

Battery storage is quickly becoming a popular upgrade.

Here’s why:

Backup power during outages
More energy independence
Better control over electricity use

The U.S. Energy Information Administration (EIA) reports increasing electricity demand and grid pressure nationwide, which contributes to higher risk of outages.

With rising demand and grid strain, having backup power is becoming a smart move, not just a luxury.

The Financial Side: Cost, Savings, and Incentives

Battery Cost (Realistic Range)

1 Tesla Powerwall installed → $10,000–$15,000+
2 batteries → $18,000–$25,000+

(Varies based on install complexity and system design)

But here’s what makes it more accessible:

Federal Solar & Battery Incentive (25%)

Homeowners can currently qualify for 25% federal incentives on solar + battery systems.

Example:

$20,000 system → ~$5,000 incentive
$30,000 system → ~$7,500 incentive

This reduces your upfront cost significantly.

And most important: this incentive won’t last forever.

As policies change, these credits are expected to decrease over time.

Compare Your Solar Options
(What Most Homeowners Miss)

Most people think solar is one option. It’s not.

The way you choose to go solar impacts your savings, flexibility, and long-term value.

Why System Design Matters

Not all systems perform the same.

A well-designed setup should:

Match your energy usage
Prioritize essential appliances
Account for local weather conditions

This ensures your system works when you actually need it.

See Exactly What Your System Can Do Before You Buy

Most solar companies will give you a quote.

We do something different.

At Apollo Energy, we’ll model your home’s actual energy usage and show you:

Exactly what your battery will power
How long your home stays running during an outage
Your real savings, based on real data

So you know exactly what to expect, before you spend a dollar.

👉 Get your custom system breakdown
👉 See how long your battery keeps your home powered