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Vistra

vistracorp.com · Energy · VST

Ranked 1,057 of 2,047 companies in the study

32Overall score
  • Visibility13
  • Citations0
  • Sentiment63
  • Site quality73
  • AI readiness29
What this means for Vistra

AI assistants name Vistra in 8.3% of answers, more often than the typical company in the energy sector at 3.3%. Its overall score is 32 out of 100, ranking 1,057th of 2,047 companies. The company's website passes 4 out of 14 technical checks for readiness with AI tools.

We asked 15 unbranded questions about the energy market: none named Vistra. AI assistants named it in 5 of 60 answers (8.3%). The typical energy company is named in 3.3% of answers. By how often it is named, Vistra ranks 27 of 109 in its sector.

Named by AI in
8.3%
5 of 60 answers
Share of mentions
20.8%
compared with 5 rivals
AI readiness
4/14
technical checks passed. Typical for its sector: 3
Rank in its sector
41 of 109
by overall score, where the typical energy company scores 29
How Vistra compares with all 2,047 companies

Every dot is a company in the study. Hover one to see it; click to open its report.

This companySame sectorEvery other companyNever named

What makes up the score

Five parts, each scored out of 100.

Visibility
13

How often AI assistants name the company

Citations
0

How often AI uses the company's own website as a source

Sentiment
63

How positively AI describes the company

Site quality
73

How well built the website's own pages are

AI readiness
29

How easily AI tools can read and use the website

Visibility is calculated from the answers on this page. How the score is built.

Compared with energy

109 companies in this sector. The line on each bar is the typical company.

Overall score32
Ranks 41 of 109. Typical company: 29
Named in answers8%
Ranks 27 of 109. Typical company: 3%
AI readiness29
Ranks 21 of 109. Typical company: 21
What Gemini actually said

An answer that names the company

“What are the best power generation companies for commercial clients in the US?”

Identifying the "best" power generation companies for commercial clients in the U.S. depends on various factors, including the client's specific needs (e.g., renewable energy, backup power, cost savings), location, and whether they are in a regulated or deregulated market.

Here's a breakdown of key players and important considerations:

I. Competitive Retail Suppliers (in deregulated markets):

In deregulated states, businesses can choose their electricity supplier, which buys wholesale power and resells it to customers. Here are some of the largest competitive retail suppliers for commer …

The AI’s answer as we received it, shortened and not checked for accuracy.

Also named
Calpine3
Share of mentions

How the mentions in these answers were split between this company and its rivals

Vistra
26.3%
NRG Energy
26.3%
NextEra Energy Resources
21.1%
Calpine
15.8%
Constellation Energy
10.5%
Talen Energy
0.0%
Which AI assistants named the company

Answers naming it, out of answers received

Gemini
2/15
Perplexity
2/15
Claude
1/15
OpenAI
0/15
Ready for AI agents

What this website publishes for an AI agent to read, use and buy from, on a scale of six levels.

  1. 0
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5

Level 1: Basic web presence. Two of robots.txt, a sitemap and Link headers are in place.

To reach level 2:
  • Content Signals
Show every check, for your technical team
Discoverability
77 of 100
  • robots.txtPassed

    A valid robots.txt with crawl rules at the site root.

    study: 92.0%
  • SitemapPassed

    An XML sitemap listing the pages, ideally referenced from robots.txt.

    study: 86.8%
  • Link headersNot met

    Send Link headers such as rel="api-catalog" or rel="describedby" on the homepage.

    study: 0.3%
  • DNS for AI DiscoveryNot present

    Advertise agent endpoints with SVCB records under _agents.

    study: 5.5%
Content accessibility
0 of 100
  • Markdown negotiationNot met

    Return a markdown version when asked with Accept: text/markdown, for example at the CDN.

    study: 1.9%
  • llms.txtNot met

    Publish an llms.txt with a short summary and the key links.

    study: 25.1%
Bot access control
32 of 100
  • AI bot rulesPartly met

    Add explicit robots.txt groups for the main AI crawlers.

    study: 93.4%
  • Content SignalsNot met

    Add a Content-Signal line for search, ai-input and ai-train to robots.txt.

    study: 1.4%
  • Web Bot AuthNot present

    Only relevant if you run your own agents or crawlers: publish a signing key directory.

    study: 0.2%
APIs, auth and MCP
0 of 100
  • API CatalogNot met

    List public APIs in a linkset at /.well-known/api-catalog.

    study: 0.3%
  • OAuth discoveryNot met

    Publish OpenID Connect or OAuth server metadata under /.well-known.

    study: 11.8%
  • OAuth Protected ResourceNot met

    Serve protected resource metadata at /.well-known/oauth-protected-resource.

    study: 10.3%
  • auth.mdNot met

    Publish an auth.md describing how agents sign in.

    study: 0.0%
  • MCP Server CardNot met

    Offer an MCP server and publish its server card under /.well-known.

    study: 0.2%
  • A2A Agent CardNot met

    Publish an agent card at /.well-known/agent-card.json.

    study: 0.1%
  • Agent SkillsNot met

    Publish a skills index with the main tasks agents can do.

    study: 0.2%
  • WebMCPCould not check

    Register key actions such as search or cart as WebMCP tools.

    study: 33.7%
  • ARD manifestNot met

    Publish an ai-catalog.json listing every agent interface.

    study: 0.1%

Score 25 of 100 · 97% of checks could run · checked on October 5, 2026 · vistracorp.com · 2,047 companies scanned

See how every company did, and how this was measured.

The checks behind the AI readiness score

4 of 14 passed. This list is for your technical team. The percentage is how many companies in the study pass each check.

These 14 checks ran during the audit and are what the AI readiness part of the overall score counts. The scan above ran later and is stricter on Link headers and Markdown, so a check can pass here and not there.

Show the 14 checks
Discoverability
  • Passedrobots.txt publishedstudy: 85.0%
  • PassedXML sitemapstudy: 73.2%
  • PassedHTTP Link headers (RFC 8288)study: 29.0%
Content Accessibility
  • Not metMarkdown content negotiationstudy: 8.3%
  • Not metllms.txt publishedstudy: 21.7%
  • PassedToken budget (page weight)study: 95.2%
Bot Access Control
  • Not metExplicit AI bot rulesstudy: 13.0%
API / Auth / MCP
  • Not metAPI Catalog (.well-known/api-catalog)study: 0.2%
  • Not metOAuth Authorization Server discoverystudy: 10.1%
  • Not metOAuth Protected Resource discoverystudy: 9.3%
  • Not metMCP Server Cardstudy: 0.0%
  • Not metA2A Agent Cardstudy: 0.0%
  • Not metWebMCP toolsstudy: 4.2%
  • Not metAgent Skills declaredstudy: 0.0%
What AI crawlers may read (robots.txt)

This website sets no rules for any AI crawler by name, like 84% of the websites whose rules we could read. Every AI crawler follows its general rules.

Training AI
  • GPTBotpartly
  • ClaudeBotpartly
  • Anthropic-AIpartly
  • Google-Extendedpartly
  • Applebot-Extendedpartly
  • Meta-ExternalAgentpartly
  • FacebookBotpartly
  • Bytespiderpartly
  • CCBotpartly
  • Diffbotpartly
  • Omgilibotpartly
AI search
  • OAI-SearchBotpartly
  • Claude-SearchBotpartly
  • PerplexityBotpartly
  • Applebotpartly
  • Amazonbotpartly
  • YouBotpartly
Answering questions
  • ChatGPT-Userpartly
  • Claude-Userpartly
  • Perplexity-Userpartly
  • DuckAssistBotpartly
  • MistralAI-Userpartly

Read from the website’s own rules file (robots.txt). An asterisk marks a crawler the file names. The rest follow its general rules. “Partly” means only some pages are blocked.

Websites the AI used as sources

How many times each website was listed as a source in these answers

eia.gov
21
constellation.com
18
chooseenergy.com
13
integrityenergy.com
12
energy.gov
11
electricchoice.com
11
diversegy.com
11
justdial.com
9
epa.gov
8
electricrates.org
7

In the study as S&P 500.

Every question, and where the company came up (2 of 15)
QuestionOpenAIClaudePerplexityGemini
  • What steps should I take if my business experiences an electricity supply interruption from a competitive energy market provider?
  • Difference between regulated utilities and competitive energy suppliers for businesses
  • What affects the rates offered by competitive energy suppliers to commercial customers?
  • What should businesses look for when choosing an energy company specializing in power generation?
  • What are the best power generation companies for commercial clients in the US?
  • What are the best options besides competitive energy markets for sourcing business electricity?
  • Best US regions for accessing a variety of commercial energy solutions
  • Is it worth switching to a competitive energy provider for commercial electricity needs?
  • Typical price range for business electricity contracts in deregulated US markets
  • How to resolve common billing issues with business energy suppliers
  • Best power generation solutions for data centers with high reliability needs
  • Top energy providers specializing in competitive energy markets for large businesses
  • How can large power consumers benefit from choosing a provider with diverse generation sources, including nuclear?
  • How does nuclear energy compare to natural gas for electricity generation in the US?
  • Alternatives to nuclear power for businesses seeking reliable electricity supply
named the companyanswered without naming itdid not answer

Columns, left to right: OpenAI, Claude, Perplexity, Gemini. The AI assistants often disagree. Across the study, on 40% of the questions where a company is named, only one of the four names it.

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Overall score 32 of 100 badge for Vistra

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<a href="https://aeo-audit.rezolve.com/us/vistracorp.com"><img src="https://aeo-audit.rezolve.com/us/badges/vistracorp.com.svg" alt="Overall score 32 of 100, US AI Visibility Study 2026" width="280" height="64"></a>
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