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PCWattVault

Real-time PC power consumption monitor for Windows with electricity cost tracking

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Free Windows app displaying live PC power usage and electricity costs in real time, with per-component breakdown and local history recording.

Overview

Screenshot of the PCWattVault homepage

The PCWattVault homepage

PCWattVault is a free Windows application that monitors your PC's power consumption and electricity costs in real time. It measures live watts from your hardware, calculates costs using your own electricity tariff including night rates and consumption tiers, and maintains a permanent local history of all data. The app provides per-component breakdowns showing which parts of your PC consume the most power, per-app power usage analysis, and forecasts for monthly costs. All data is stored locally with no cloud sync or telemetry, and the interface is blocked from making network requests. The app is available for Windows 10 and 11, works continuously in the background and system tray, and includes features for battery health monitoring on laptops, Windows power settings tracking, and optional real measurements via compatible smart plugs or power supplies.

Capabilities

  • Local-first with no cloud sync, no accounts and no telemetry

Pricing

Pricing model: Free

Free. All Pro features are currently free for early adopters with founder/early-adopter status.

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PCWattVault fact sheet

Community votes0
Websitepcwattvault.com

PCWattVault metrics

Vendor metrics for pcwattvault.com: Ahrefs Domain Rating and Majestic link data, with the delta since the last review.

Domain Rating
2
−1 (down) since last check
Trust Flow
0
no change since last check
Citation Flow
1
no change since last check
Referring domains
2
no change since last check
External backlinks
7
no change since last check

Vendor Domain Rating (Ahrefs) checked 6 Nov 2026, spec changed 6 Nov 2026. Vendor Majestic data checked 25 Oct 2026, spec changed 25 Oct 2026. Link metrics supplied by Majestic. Trust Flow, Citation Flow and Topical Trust Flow are trademarks of Majestic-12 Ltd.

PCWattVault vendor domain

Open the vendor record

We read this from the registry's RDAP record on 6 Nov 2026, 04:37 UTC.

Domain age
3 months
Registered
Expires
Registrar
Cloudflare, Inc.
DNSSEC
Not signed

Vendor domain report: pcwattvault.com

PCWattVault post-launch report

Measured after PCWattVault went live on SaaS Directory Pro on 25 October 2026.
MeasureAt launch, then latest
Domain Rating (Ahrefs)3 to 2 −1 (down) since launch
25 Oct 2026, then 6 Nov 2026
Trust Flow (Majestic)0
first measured 25 Oct 2026
Referring domains (Majestic)2
first measured 25 Oct 2026

Day 11 since launch. Next receipt: day 30, 24 Nov 2026. Many things move these figures, so a change is not proof of cause. Only stored readings are shown.

Biggest gains on SaaS Directory Pro

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Compare and explore

See the alternatives to PCWattVault, HyperFrontend vs PCWattVault, Format JSON Online vs PCWattVault, PasteDL vs PCWattVault, MeloSkill vs PCWattVault, PCWattVault vs klenua build, PCWattVault vs Hronaut, more in Developer Tools.

Buyer questions

Why does the CPU show "~" or 0 W?

Reading real CPU package power on modern Windows needs a driver-backed sensor source. Install the free LibreHardwareMonitor from its official GitHub release page, run it as administrator, and turn on Options → Remote Web Server. PCWattVault will pick it up within seconds and the tildes disappear.

What data does PCWattVault collect and store?

PCWattVault stores only raw per-second samples that never go to disk. Only hourly aggregates per component category and daily totals per app are recorded locally. Which apps ran never leaves your PC. Smart-plug credentials are encrypted with Windows DPAPI.

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More on this profile

PCWattVault has a free listing. The owner can unlock the full profile with a paid launch for $5:

  • Founder story (locked)
  • Milestones (locked)
  • Demo video (locked)
  • Dofollow website link (locked)

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