FirstEnergy tech stack
FirstEnergy builds mostly with SQL, Sass, Python, C#. Its stack also includes Power BI, Windows, Oracle, Angular. Power BI is named in 17 of the 79 job postings FirstEnergy published in the last 12 months (22%). Counted by Alion from the job postings of FirstEnergy, updated Sep 30, 2026.
What programming languages does FirstEnergy use?
SQL is named in 18% of job postings at FirstEnergy, followed by Sass (14%), Python (10%), C# (4%).
C# 
SAS 
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What frameworks and libraries does FirstEnergy use?
Angular is named in 1% of job postings at FirstEnergy, followed by Blazor (1%), MAUI (1%).
What databases does FirstEnergy use?
Oracle is named in 6% of job postings at FirstEnergy.
Oracle
5 6%
What cloud and platforms does FirstEnergy use?
Power BI is named in 22% of job postings at FirstEnergy, followed by Windows (6%), Azure (5%), Cognos (5%).
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What developer tools does FirstEnergy use?
AutoCAD is named in 28% of job postings at FirstEnergy, followed by Microsoft Excel (5%), Copilot (3%), Matter (1%).
Which engineering practices does FirstEnergy ask for?
Function Calling is named in 13% of job postings at FirstEnergy, followed by Tool Use (13%), Machine Learning (6%), TCP/IP (3%).
Function Calling
10 13%
AI Agents
1 1%
CI/CD
1 1%
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What other technologies does FirstEnergy use?
ABAP Objects is named in 1% of job postings at FirstEnergy.
What does each FirstEnergy team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
19 postingsAnalytics
13 postingsAdministrative
11 postingsOperations
5 postingsField & Service
4 postingsHow does your stack fit FirstEnergy?
How is the FirstEnergy stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the FirstEnergy stack?
FirstEnergy scores 69 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How common is the FirstEnergy stack in its industry?
Share of the 4,719 companies in the same industries, whose stack Alion knows, that use each technology.
What sets FirstEnergy apart
Companies with a stack like FirstEnergy
Questions about the FirstEnergy tech stack
What programming languages does FirstEnergy use?
The languages named in FirstEnergy job postings are SQL (18%), Sass (14%), Python (10%), C# (4%), PowerShell (3%), as a share of the 79 postings of the last 12 months.
Does FirstEnergy use Power BI?
Yes. Power BI is named in 17 of 79 job postings (22%) and required in 17 of them.
What cloud and platforms does FirstEnergy use?
The cloud and platforms named in FirstEnergy job postings are Power BI (17), Windows (5), Azure (4) (postings in brackets).
What skills do you need for a Industrial Engineering job at FirstEnergy?
Industrial Engineering postings at FirstEnergy most often require AutoCAD (9), Power BI (5), SQL (3), out of 19 postings in the last 12 months.
Is the FirstEnergy tech stack changing?
Yes. SIEM, TCP/IP, PowerShell, Windows first appeared in FirstEnergy job postings in the last six months.
How modern is the FirstEnergy tech stack?
FirstEnergy scores 69 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 0; legacy ones: 0.
How does Alion know the FirstEnergy tech stack?
Alion reads every job posting FirstEnergy publishes and tags the technologies each one names. The figures on this page count the 79 postings of the last 12 months and were updated on Sep 30, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "FirstEnergy tech stack: 47 technologies from 79 job postings", as of Sep 30, 2026. https://alion.io/company/firstenergycorp/technologies