Why Design Tech Homes Is an ENERGY STAR® Builder

And Why an Energy-Efficient Home in Texas Is Becoming the Safest Bet Against Rising Energy Bills

If you live in Texas, you already know energy costs don’t just “go up.” They swing.

A hot stretch in August or a winter freeze in February can turn an ordinary month into a shocking power bill. And what’s changing now is bigger than weather.

Texas is entering a new era of electricity demand — driven by AI, data centers, and large-scale computing facilities that run 24 hours a day, 7 days a week.

Unlike homes, which peak in the late afternoon and cool off at night, data centers consume steady power around the clock. That keeps the grid tighter more hours of the day — and tight grids tend to mean higher and more volatile prices.

This isn’t theoretical. It’s already happening.

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The Demand Growth Is No Longer Hypothetical

Recent ERCOT forecasts show a dramatic shift:

• The U.S. Energy Information Administration (EIA) expects electricity demand from ERCOT customers classified as Large Flexible Load (LFL) — which includes data centers — to total 54 billion kWh in 2025, up nearly 60% from 2024.

• ERCOT’s long-term outlook shows projected data center demand for 2030 increasing from approximately 29,614 MW to 77,965 MW in updated forecasts.

• Even after applying ERCOT’s “reality check” adjustment methodology (reducing projected data center demand to 49.8% of requested amounts), the direction is clear: a significant increase in always-on load is targeting the Texas grid.

Even if not every project gets built, the trajectory is unmistakable.

Texas power demand is growing — and not just during summer afternoons.

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What This Means for Electricity Prices

When steady demand grows faster than generation and transmission infrastructure, ERCOT runs “tight” more often.

That typically leads to:

• Higher wholesale power prices

• More frequent price spikes during extreme weather

• Greater volatility in retail electric contracts

The EIA modeled this sensitivity directly:

• In a high-growth large-load scenario, 2025 wholesale power prices were 17% higher than the base case.

• In a low-growth scenario, prices were 11% lower than base.

Wholesale prices don’t translate one-for-one to your electric bill — but over time they absolutely influence what Texans pay, especially:

• When variable-rate plans fluctuate

• When fixed-rate contracts renew

• During summer and winter grid stress

The takeaway is simple: rising steady demand puts upward pressure on prices.

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Why Natural Gas Prices Matter Too

Even if you don’t think much about natural gas, it still affects your household budget.

ERCOT relies heavily on gas-fired power plants. In many hours, natural gas sets the marginal price of electricity. More electricity demand often means more gas burned.

There’s a useful rule of thumb in the industry:

• A 1 GW data center load requires roughly 140 million cubic feet of natural gas per day (in equivalent dedicated generation terms).

To put that into perspective:

Texas produces about 36.1 billion cubic feet per day of natural gas.

Now compare that with potential data center growth:

• 10 GW of new load → ~1.4 Bcf/day (~3.9% of Texas daily production)

• 20 GW → ~2.8 Bcf/day (~7.8%)

• 40 GW → ~5.6 Bcf/day (~15.5%)

This doesn’t mean Texas will “run out” of gas. It simply shows that large-scale computing demand can represent a meaningful share of daily production — especially during extreme weather or infrastructure constraints.

Energy analysts are increasingly incorporating data center growth into long-term pricing forecasts. For example, Wood Mackenzie projects Henry Hub natural gas prices around $5/MMBtu by 2030, up significantly from recent years, driven by demand including data centers, LNG exports, and industrial growth.

Plain language?

More always-on computing load can mean:

• Higher electricity prices

• More gas consumption

• Long-term upward pressure on both

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The Homeowner Takeaway: Efficiency Is Your Best Hedge

You can’t control how many data centers connect to ERCOT.

But you can control how exposed your household is to higher energy prices.

An energy-efficient home protects you in two powerful ways:

1. You Use Fewer Kilowatt Hours

If rates rise, you’re paying higher rates on fewer kWh.

That advantage compounds over time.

2. You Suffer Less During Peak Pricing

Efficient homes require less energy to stay comfortable when the grid is tight — exactly when prices can spike.

In a volatile market, lower demand equals lower risk.

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Why Design Tech Homes Is an ENERGY STAR® Builder

At Design Tech Homes, energy efficiency is not an upgrade package.

It is engineered into every home we build.

We are proud to be an ENERGY STAR® builder, and that distinction matters more today than ever.

ENERGY STAR® certification isn’t marketing — it’s performance verification. It requires:

• Advanced building envelope design

• Third-party energy modeling

• Blower door testing

• Duct leakage testing

• Verified HVAC sizing

• High-performance insulation and air sealing

Most builders treat energy efficiency as a line item.

We treat it as a structural component of the home.

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The Efficiency-First Features That Matter in Texas

Because we redraw every plan in Revit at LOD 400 and perform full analytical modeling, our homes are engineered for performance — not guesswork.

The upgrades that make the biggest difference:

• Advanced air sealing and high-performance attic insulation

• Properly sized, high-efficiency HVAC systems

• ENERGY STAR® – rated equipment

• High-performance windows and shading strategies

• Smart thermostats and peak-load optimization

• Efficient water heating systems

• Tight duct systems designed through Manual J, D, and S calculations

When you build correctly from the start, efficiency is locked in for decades.

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The Bottom Line

ERCOT is entering a new phase of demand growth driven by large, always-on computing loads. EIA modeling shows that higher large-load growth can translate into meaningfully higher wholesale power prices — and because natural gas plays such a major role in Texas power generation, additional load can also increase gas demand over time.

That’s the macro trend.

Here’s the personal strategy:

An energy-efficient home isn’t just environmentally responsible anymore — it’s financially strategic.

In Texas, where energy markets are dynamic and weather is extreme, the safest long-term hedge against rising and volatile energy costs is simple:

Use less energy.

At Design Tech Homes, we don’t just build houses.

We engineer high-performance homes designed to protect your comfort, your resilience, and your budget — for decades to come.