What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
Data centers can put pressure on electricity bills and grid reliability, but the effect is not the same everywhere. It depends on where facilities connect, how much electricity they need and when, whether generation and transmission can serve them, and how utilities and regulators allocate the resulting costs. A large national demand forecast does not, by itself, show what a particular household will pay or whether its local grid will have outages.
How quickly is data-center electricity use growing?
Lawrence Berkeley National Laboratory’s 2025 United States Data Center Energy Usage Report: 2025 Update estimates that U.S. data centers used 192 terawatt-hours (TWh) of electricity in 2024, equal to 4.7% of total U.S. electricity consumption. A terawatt-hour measures energy used over time; it is not the same as gigawatts (GW), which measure power or load at a point in time.
As an Amazon Associate I earn from qualifying purchases.
The report’s reference case projects 464 TWh of data-center electricity use in 2028 and 649 TWh in 2030. The 2030 figure is estimated to equal 11.8% of forecast U.S. electricity use under the NERC forecast cited by LBNL. These are projections, not observed future consumption.
| Year | LBNL 2025 estimate or projection | How to read it |
|---|---|---|
| 2024 | 192 TWh; 4.7% of U.S. electricity consumption | Estimated use; the report treats 2024 as its last historical year. |
| 2028 | 464 TWh | Reference-case projection in the 2025 update. |
| 2030 | 649 TWh; 11.8% of forecast U.S. electricity use | Reference-case projection; the share uses the NERC electricity-use forecast cited by LBNL. |
LBNL estimates that data centers account for 33% of total U.S. load growth from 2024 through 2030 in its comparison with the NERC load forecast. That share depends on those forecasts and assumptions; it is not a measured portion of growth already realized. The report excludes cryptocurrency mining and uses 2024 as the last historical year because primary IT shipment data extend only through the first three quarters of 2025. Later-year figures are projections, and LBNL notes that scenario assumptions and revisions—including reported GPU shipments and assumptions about AI inference server power—affect estimates.
#1 Best Overall
- SAFETY YOU CAN TRUST WITH UL CERTIFICATION: With Emporia Energy, your home energy monitoring is safe, reliable, and certified. The Emporia Vue is UL Listed, meaning it has met rigorous safety standards for electrical products in the U.S. and Canada. This certification ensures that every component has been thoroughly tested to prevent hazards, such as overheating, short-circuiting, or fire, offering you peace of mind as you manage your home’s energy consumption.
- INSTALLS IN CIRCUIT PANEL of most homes with clamp-on sensors. Supports Single phase, Single-split phase, and 2-wire systems. 3-wire systems; 3-phase, 4-wire Wye systems with earthed (TN or TT) neutral (no-Delta) are supported with an additional 200A sensor (sold separately).
- 24/7 ENERGY MANAGEMENT AND MONITORING: Automate, manage and control your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. PROTECTED BY A 1-YEAR WARRANTY.
- LOWER YOUR ELECTRIC BILL: Configure settings in the Emporia Energy App to automate energy management for time of use, peak demand, excess solar, and rewards programs. You can even see live reporting and invaluable savings opportunities instantly. Gauge real-time spending and get actionable notifications and automated energy management to help you reduce costs.
- REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android / Web app. Vue sensors collect energy data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is only available in the app (when actively open) and retained 3 hours. Minute and hour data are retained in the cloud. 1 minute data is retained 7 days, 1 hour data is retained indefinitely. Export cloud data whenever you want in the app.
For historical context, the Department of Energy’s December 2024 announcement of the preceding LBNL report cited 176 TWh, about 4.4% of U.S. electricity, for 2023 and a 325–580 TWh range for 2028. That was an earlier report vintage; its 2028 range should not be combined with the 2025 update’s 2030 reference case as though they were one continuous forecast.
How can data centers affect my electricity bill?
The central issue is cost allocation: who pays for the additional supply and grid investments needed to serve large new loads, and who bears the risk if those investments are later underused. A facility may prompt a utility to add or contract for generation, expand or upgrade transmission and distribution equipment, or make other system changes. The costs may be recovered through rates or customer-specific arrangements, depending on the utility territory, regulatory decisions, contracts, and applicable tariffs.
Rank #2
- ⚡ EASY INSTALLATION: Installs in circuit panel of most homes with clamp-on sensors. Supports single-phase up to 240VAC line-neutral; single, split-phase 120/240VAC; and three-phase up to 415Y/240VAC (no Delta). The branch lines can automatically match different phases and have no restrictions in terms of quantity and voltage.Panels with access only to busbars will need flexible sensors available from SEM-Meter.
- ⚡ ENERGY MONITORING ANYTIME, ANYWHERE: Monitor your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. Light commercial 3 phase option available as a separate bundle. Protected by a 1-year warranty.
- ⚡ VARIOUS ELECTRICAL APPLIANCE MONITORING: Comes with 16 50A sensors to accurately monitor your air conditioner, furnace, water heater, washer, dryer, range, etc.
- ⚡ LOWER YOUR ELECTRIC BILL: SEM-Meter measures real-time spending and gets actionable notifications to understand where savings can be made, both to lower your electric bill and to conserve energy and protect the planet’s resources. Be an environmentalist.
- ⚡ REAL-TIME ENERGY DATA: Connect SEM-Meter device via 2.4GHz WiFi to monitor energy usage, with an accuracy range of 1%. View usage in real time through Android/Apple software. Statistics of power usage in now/day/week/month/year format: the validity period of hourly exported data is 90 days, and the exported data of day/month/year data is permanent, available at any time Export from application.
The Department of Energy’s January 2025 technical brief identifies fair allocation of system costs to large-load customers and mitigation of stranded-asset risk as important rate-design questions. Stranded-asset risk arises when infrastructure built for expected demand is used less than anticipated, leaving costs to be recovered even though the expected load did not materialize. How a particular utility handles these costs determines whether, and how, they affect other customers.
The Tool Desk
Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Outbyte Driver Updater FREEScan for outdated or missing drivers - takes under a minuteDriver Scan →That pathway makes bill increases possible, not automatic. The national consumption estimates do not establish a uniform increase in household bills or a national dollar amount. For a local bill impact, the relevant evidence is the customer’s service territory, the current tariff or regulatory proceeding, any large-load contract terms that are public, and the period in which costs are being recovered.
Rank #3
- EM16P MODEL & LOCAL CONTROL & DATA PRIVACY: Access your home energy monitor data locally via Built-in Web UI, Open API, and MQTT without relying on cloud services. Unlike cloud-dependent monitors, Refoss ensures your data stays within your home network. Direct local access protects your privacy while giving you 100% full control of your home energy system.
- NATIVE HOME ASSISTANT & OPENCLAW AI: Experience seamless Native Home Assistant integration right out of the box—no firmware flashing or complex coding required. Featuring ✨NEW✨ OpenClaw Support, it enables AI-driven automation for smarter, real-time energy management and seamless smart home control.
- MAXIMIZE SOLAR & ZERO FEED-IN AUTOMATION: Designed for solar homes, the power monitor works with the Refoss app and Home Assistant to automatically use surplus solar power. Appliances like EV chargers, washing machines, and water heaters are powered during midday peaks, maximizing solar self-consumption and reducing low-value electricity feed-in to the grid. Optimizes usage and reduces bills.
- REAL-TIME MONITORING & ±1% ACCURACY: Monitor voltage, current, active power, and power factor of major appliances. Provides ±1% accuracy (200A: 2–200A; 60A: 1–60A) and ±2% at low current. Daily data stored up to 5 years and exportable. With no subscriptions or hidden fees, you get deep historical insights to help you identify every energy-saving opportunity and save 10–20% on monthly bills.
- SMART ALERTS & CIRCUIT-LEVEL CONTROL: Set usage targets for each individual circuit and receive instant alerts when appliances exceed normal consumption. Refoss app supports automation and peak management to optimize schedules, reduce peaks, and improve efficiency. Real-time electricity usage monitor for circuit-level insights.
Will data centers make the grid less reliable?
They can make planning more challenging where large loads arrive quickly or cluster in places with limited generation or transmission capacity. Many data centers need continuous power, but the reliability effect depends on the grid’s regional supply, transmission constraints, load shape, and available resources—not simply on the national share of electricity consumption. Other demand drivers, including electrification and manufacturing, also contribute to load growth.
In a July 2025 reliability analysis, DOE modeled a scenario in which 104 GW of firm generation retires by 2030 without timely replacement. Under that scenario and the analysis’s assumptions about demand and resources, DOE said annual outage hours could rise from single digits to more than 800. This is a conditional model result, not a prediction that those outages will occur. It is not evidence that data centers alone would cause that outcome: the scenario includes generation retirements, replacement timing, and projected load.
Rank #4
- SAFE & RELIABLE: Meross smart energy consumption monitor is ETL‑certified and compliant with the UL 61010 testing standard, ensuring safe and reliable home energy monitoring. Works with most US homes: single-phase 2-wire systems, single-split phase 3-wire systems, and 3-phase 4-wire Wye systems with earthed (TN or TT) neutral (no Delta). Easy clamp‑on design installs in minutes. Invert CT readings in the app—no physical flipping. PROTECTED BY 2-YEAR WARRANTY for worry-free use.
- TRACK ENERGY & CUT BILLS: Track power, voltage, current, and power factor within ±1% accuracy. Clear power usage and cost charts by minute/hour/day/month/year help you easily understand your energy use. Store up to 5 years of data and export hourly reports for deep analysis. Most users save 10–20% on energy costs by spotting energy hogs and getting accurate insights to cut their bills.
- 24/7 ENERGY MONITORING + SMART ALERTS: Real-time home energy monitoring from anywhere. Set custom alerts for unusual usage spikes and threshold breaches for total peace of mind. Catch issues early with no subscriptions, no cloud lock‑in, and no hidden fees — all built-in. Supports 2 main circuits (200A) + 16 branch circuits (60A), making it perfect for precise, circuit-level energy monitoring.
- MAXIMIZE YOUR SOLAR SAVINGS (HOME ASSISTANT): This solar energy monitor integrates with Home Assistant to detect solar surplus and automatically power EV chargers, water heaters, and other high‑use appliances. Stop wasting solar energy—use it yourself and cut your electricity bill faster. The perfect home energy monitor for solar homes.
- LOCAL DATA, FULL PRIVACY, NO SUBSCRIPTIONS: Connect seamlessly with Home Assistant for advanced energy automation. All energy data stays local—no cloud, no delays, no privacy concerns. Take full control of your home energy, reduce waste, and protect your privacy. Supports Open API and Web Control.
To judge a particular region, look beyond a national forecast and compare the expected additions and concentration of load with planned generation, announced retirements, transmission capacity and congestion, load flexibility or onsite resources, and local cost-allocation rules. A state-by-state ranking cannot be inferred from the national figures alone.
What can utilities and policymakers do?
DOE describes a portfolio of possible responses rather than a single fix that works everywhere. The right mix depends on the location, timing, size, and flexibility of demand, as well as the condition of the grid.
Best Value
- SAFETY YOU CAN TRUST WITH UL CERTIFICATION: With Emporia Energy, your home energy monitoring is safe, reliable, and certified. The Emporia Vue is UL Listed, meaning it has met rigorous safety standards for electrical products in the U.S. and Canada. This certification ensures that every component has been thoroughly tested to prevent hazards, such as overheating, short-circuiting, or fire, offering you peace of mind as you manage your home’s energy consumption.
- INSTALLS IN CIRCUIT PANEL of most homes with clamp-on sensors. Supports Single phase, Single-split phase, and 2-wire systems. 3-wire systems; 3-phase, 4-wire Wye systems with earthed (TN or TT) neutral (no-Delta) are supported with an additional 200A sensor (sold separately).
- 24/7 ENERGY MANAGEMENT AND MONITORING: Automate, manage and control your home's real power anywhere, anytime to prevent costly repairs, conserve energy, and save costs. Monitor solar / net metering. PROTECTED BY A 1-YEAR WARRANTY.
- LOWER YOUR ELECTRIC BILL: Configure settings in the Emporia Energy App to automate energy management for time of use, peak demand, excess solar, and rewards programs. You can even see live reporting and invaluable savings opportunities instantly. Gauge real-time spending and get actionable notifications and automated energy management to help you reduce costs.
- REAL-TIME ENERGY DATA: REQUIRES 2.4 GHz WIFI WITH AN INTERNET CONNECTION to monitor energy use with iPhone / Android / Web app. Vue sensors collect energy data and are accurate from ±2%. The Vue is UL and CE Listed for your safety. 1 second data is only available in the app (when actively open) and retained 3 hours. Minute and hour data are retained in the cloud. 1 minute data is retained 7 days, 1 hour data is retained indefinitely. Export cloud data whenever you want in the app.
- Add or preserve supply: Develop generation and storage, and consider how existing nuclear and hydropower infrastructure can contribute.
- Expand or improve the grid: Build transmission where needed or enhance existing infrastructure to move power to constrained areas.
- Use electricity more efficiently: Improve efficiency so the system can meet demand with less energy.
- Make demand more flexible: Where technically and contractually feasible, shift or reduce some electricity use during stressed periods.
- Plan for onsite resources: Onsite power and storage may help serve a facility or support the system, depending on how they are configured and operated.
- Design rates and contracts carefully: Allocate costs and risks to reflect the load being served and reduce the chance that other customers inherit costs for underused investments.
These are planning options, not proof that new resources or protections have already been delivered nationwide. Reliability and affordability depend on implementation, local conditions, and whether supply and network investments arrive in time.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
