TVA Energy Data vs Mercuria MAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TVA Energy Data
Access near real-time and historical energy usage data, demand information, and power system alerts. This app requires authorized access and is designed for TVA's directly served customers needing on-the-go information.
- Near real-time energy data
- Current day interval data
- Month-to-date usage and demand
- Historical energy and demand
- Power system alerts
- TVA key contacts
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Download the TVA Energy Data mobile app for an easy-to-use resource providing information to TVA’s directly served customers who need ready access to information away from their desktop computers. Authorized access is required. Information available: • Near real-time and current day interval data • Month-to-date energy usage and demand • Historical monthly energy and demand • Power system alerts • TVA key contacts
Mercuria MAP
Access real-time and day-ahead electricity prices for major North American power market hubs. View data in tables, charts, and maps, customize your view, and receive notifications for price changes. This app helps users make informed trading decisions and monitor market trends.
- Real-time and day-ahead power prices
- Data visualization (tables, charts, map)
- Price comparison across regions
- Customizable preferences and filters
- Favorite hub saving
- Price change notifications
- Data export and sharing
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Map-C - for Power Market Hub Prices Stay ahead of the curve with real-time and day-ahead prices for major power market hubs in the United States and Canada. Map-C, by Mercuria, is the ultimate app for anyone interested in the electricity market. Whether you are a trader, an analyst, a researcher, or someone working in the power industry, this app will give you access to the latest and most reliable data on Day-Ahead and Real-Time prices for major power market hubs in North America. With Map-C, you can: • View prices for CAISO, ERCOT, MISO, NEISO, NYISO, PJM, and SPP in tables, charts, and on a map. • Compare prices across different regions and time frames. • Customize your preferences and filters to see only the data you need. • Save your favorite hubs for quick reference. • Get notified of price changes and market events. • Export and share data with others. Map-C is easy to use, fast, and secure. It updates automatically with the latest information from official sources. It also works offline, so you can access your data anytime, anywhere. Key benefits: • Stay ahead of the curve with real-time and day-ahead prices • Make informed trading decisions • Identify trends in the power market • Easily monitor all power hubs or just your favorites Harness the power of real-time data with MAP-C! Supply and demand section, FuelMix, Load, and NetLoad. Make informed energy decisions with predictive analytics. Elevate your sustainability goals while optimizing costs. Don’t miss this opportunity to get the most comprehensive and convenient app for power market prices. Download Map-C today to get started!
Screenshots
Verdict
The clearest difference is update cadence: Mercuria MAP at fortnightly against TVA Energy Data's every 6 months. TVA Energy Data's advantage is ratings volume (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for TVA Energy Data against 5.0 for Mercuria MAP. Both are backed by a comparable volume of ratings — 3 and 1 respectively.
TVA Energy Data ships an update every 6 months, Mercuria MAP fortnightly. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | TVA Energy Data | Mercuria MAP |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | 1 |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 231 MB |
| Age rating | 4+ | 4+ |
| Developer | Tennessee Valley Authority | Mercuria Energy America LLC |
Customer experience
TVA Energy Data
Mercuria MAP
In-app purchases
TVA Energy Data
No in-app purchases
Mercuria MAP
No in-app purchases
Questions
Is TVA Energy Data free?
Is Mercuria MAP free?
Which has better reviews, TVA Energy Data or Mercuria MAP?
Do TVA Energy Data or Mercuria MAP have ads?
Which is updated more often, TVA Energy Data or Mercuria MAP?
Other comparisons
