Energy Software Development
Custom Energy Software Development For Grid And Assets
Energy software answers to physics before it answers to a user: telemetry that arrives late, meter reads that have to balance, assets scattered across a grid. Our custom energy software development starts from your data and your settlement, not a template. Stallyons is a US company.
Triple Protection Guarantee
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only
Triple Protection Guarantee:
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only
Years In Business
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Engineers On Staff
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Avg. Engineer Exp.
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Built For The Grid
Grid Mapped
Before Code
Meters Ready
Built To Fit
NERC Aligned
By Design
Operator Roles
Per Site
Audit Trails
All Logged
Data Security
Access Rules
Long-Life Code
Documented
Communication Rhythm
Daily Sync
Staged Rollout
No Outage
IP Assignment
Signed
Delivery Overlap
Fixed
Hours
Code & IP Owner
You
Trusted By Startups
What Custom Energy Software Development Involves
Energy software is the layer between physical assets and the businesses that run them: the meter data that has to balance, the SCADA telemetry off a substation or a wind farm, the energy management that shifts load, and the settlement that reconciles what was generated, delivered and billed. Custom energy software development means building that layer around your assets, your market rules and your reporting, instead of forcing operations onto a packaged utility suite. The hard parts are the telemetry, the settlement and the compliance.
Stallyons is registered in Delaware as a US company, and our engineers work inside a time-zone window agreed before the project starts, with four-plus hours of daily overlap. You sign a US contract, run diligence on a US entity and pay one US invoice. Behind the work sits twelve-plus years of delivery across six continents and around thirty-five engineers, averaging four-plus years of production experience. Operations, grid and trading leaders at utilities, retailers, IPPs and energy startups across North America, the UK, Europe and Asia-Pacific bring us these builds.
What Energy Work Covers
Metering and telemetry modelled first: AMI reads, SCADA points and device streams ingested and validated, wired in through our API development work so the data is trusted before a dashboard is drawn.
Integrations treated as first-class scope: meters, SCADA, billing (CIS) and ISO/RTO market feeds wired with retries and reconciliation, and a defined answer for the hour one of them goes dark. Most pain lives here.
Compliance and security designed in, not audited later: access logging, retention, environment separation and control isolation built to NERC CIP, SOC 2 and GDPR-aligned patterns from the first architecture diagram.
Data migration run as an engineering discipline: meter history, assets and contracts mapped, rehearsed against a staging copy, reconciled, and cut over in stages so no settlement window is missed.
Performance proven at grid volumes: ingestion, aggregation and reporting jobs tested against production-scale meter and telemetry data before launch, not discovered during a demand peak.
A lifecycle plan, because energy systems run for years: documentation, monitoring, dependency updates and a support cadence agreed before launch rather than negotiated after it.
Why Utilities Choose Our Energy Software Development
- Scope is written before the estimate. You approve a document stating which assets, meters and systems are in, what is explicitly out, and where the milestones fall. Nothing surfaces in month six.
- The integration map is drawn in week one: every meter, SCADA source, billing and market feed we touch, who owns it, and how data and errors move between them.
- Work lands on your board in your repositories. Progress is something you read whenever you want, not something summarised at you on a Friday.
- Every merge is reviewed against an agreed definition of done, and end-to-end tests covering the settlement and reporting paths your operation depends on run before anything reaches main.
- Cutovers are rehearsed. Migrations, batch jobs and rollback steps are written down and run against a staging copy before the version that matters ships to production.
- Handover is written while the work happens: decisions, open threads and runbooks, so your own team, or whoever comes after us, reads instead of guessing.
How An Energy Engagement Starts
Every engagement starts with a free 45-minute scoping session. No slide deck, no sales script. You bring the assets, the data and the market rules you answer to; you leave with a recommended architecture, scope and timeline.
We are selective about new engagements and cap how many we run at once, because the scoping is the product. If a configured off-the-shelf energy platform fits you better, we will say so on the call.
Why Clients Choose Us
Full
Written IP Transfer
USA
Contract Entity
Yours
Systems & Accounts
Named
Delivery Lead
Ready to get your energy system built properly?
What We Build In Energy
Custom Energy Software We Deliver
Energy builds earn their cost when the grid depends on them and the numbers have to settle. These are the systems we deliver most often, each scoped against your own assets, meters and market rules.
Metering & MDM
AMI reads, validation, VEE
Balanced
SCADA & Telemetry
Substations, sites, devices
Live
Energy Mgmt
Load, demand response, DERs
Optimised
Grid & Outage
OMS, DERMS, switching
Restored
Asset Monitor
Solar, wind, battery fleets
Watched
Trading & ETRM
Positions, curves, settlement
Settled
Billing & CIS
Tariffs, invoices, meters
Billed
Customer Portals
Usage, accounts and self-serve tools
Served
Core Modernization
Rewrites, migrations, replatforms
Future-Proof
Support & Maintenance
Monitoring, fixes, releases, cover
Kept Running
Not sure what your operation needs? Let's scope it together.
Common Challenges
Why Energy Software Projects Fail
Six patterns behind almost every energy build that ran late, ran over or never went live. All six are decided in week one.
The Big-Bang Cut
01
Everything switches over on one weekend. When a single meter feed or migration script misbehaves, the whole operation feels it at settlement, and the rollback plan turns out to be a paragraph.
Telemetry Last
02
The build is judged on its dashboards, and the SCADA, meter and market integrations are left for the end. That is where the real complexity was hiding all along.
Meter Data Ignored
03
The system assumes clean reads. The first real month, with gaps, estimates and resends, shows nobody modelled how meter data actually arrives.
Dirty Asset Data
04
The old system's duplicate assets and half-mapped meters are migrated as-is. The new platform then gets blamed for faithfully reporting data that was never trustworthy.
Compliance Retrofitted
05
Access logging, retention and control isolation arrive after the architecture is set, because a NERC CIP review did. Bolting them on costs multiples of designing them in early.
The Vendor Disappears
06
The system ships, the team moves on, and nothing is documented. Two years later a small change gets quoted as a rebuild, because nobody is left.
Seen these in your operation? Let's do it right.
Energy Services
Our Energy Software Development Services
Six ways to buy energy delivery from one accountable vendor. Run one, or run several in parallel under a single contract.
Custom Energy Software
01
A system built to your specification from discovery through launch: metering, telemetry, energy management, integrations and the cutover plan, with a written scope you approve first.
Systems Integration
02
The systems you already run wired into one whole: meters, SCADA, billing and market feeds, with retries, reconciliation and monitoring on each interface, through our API development work.
Legacy System Rebuilds
03
Ageing utility and control systems rebuilt in stages, with the old system running until the new one has earned the switch and the data has moved reconciled.
Operator & Ops Portals
04
Portals for operators, field crews and customers that sit safely on top of your core systems, with role-based access and an audit trail throughout.
Data & Analytics Layers
05
Warehouses, pipelines and reporting built against real meter and telemetry volumes on our cloud app development stack, so operations reads one set of numbers and trusts them.
Support & Maintenance Plans
06
Monitoring, dependency updates, small features and security patching on a standing cadence, so an energy system does not decay between projects.
Not sure which service fits your roadmap? Let's talk it through.
Why Choose Us
What Makes Our Energy Software Development Different
The details that decide whether an energy system still balances in year five, through a peak no one planned for.
A US Legal Entity
01
Stallyons is registered in Delaware. Your contract, your invoice and your legal recourse sit with a US company, not an unknown one.
Integration-First Scope
02
The telemetry map, the access model and the migration plan are agreed before development starts, because those decide the budget.
Overlap You Set
03
You choose the hours we share with your working day, and stand-ups, reviews and escalations all happen inside that window.
Security By Design
04
Access logging, control isolation, retention and environment separation are architecture inputs here, built to NERC CIP and SOC 2-aligned patterns early.
Reviewed Code
05
Every merge is reviewed against an agreed definition of done, on your board, where you can read it yourself.
One Contract
06
One contract covers the engagement, so procurement, legal and finance each deal with a single named counterparty.
Ready to see how we would run your energy build?
Our Process
From First Call To Energy Software Launch
A delivery process built to surface telemetry, settlement and compliance risk before any code exists.
Discovery
Understand the assets, data and market rules
Scoping
Agree the phases, scope and cost structure
Design
Data model, telemetry and settlement agreed
Contracting
NDA, IP assignment, access and onboarding
Deliver
Work on your board, reviewed on merge
Launch & Support
Staged rollout, monitoring, steady support
Want to see how this maps to your roadmap?
Technology Stack
The Stack Behind Our Energy Software
The toolchain we build energy systems with, from the ingestion core to the meter, SCADA and market integrations around it.
Core Platforms
Java / Spring
.NET 8 Builds
Python Services
Node.js APIs
Laravel PHP
Front End & Portal UI
React / Next
Angular 18 Apps
TypeScript UI
Vue 3 UI
Tailwind Systems
Data & Interop
PostgreSQL Core
Time-Series DB
MQTT, Kafka, Streams
REST / DNP3
SSO: SAML, OIDC, SCIM
Testing & Quality
Selenium Suites
Playwright
Load Testing
Security Scanning
Accessibility WCAG
Cloud & DevOps
AWS / GCP / Azure
Docker / K8s
Terraform / IaC
GitHub Actions / CI
Datadog / Grafana
Segments We Serve
Energy Software Development For Every Operator
Engineers who already know your market rules, your assets and your reporting spend month one building, not asking.
Utilities & Grid
Metering, billing, OMS
Renewables & IPPs
Solar, wind, asset monitoring
Retailers & Suppliers
Tariffs, switching, billing
Oil & Gas Ops
Field data, SCADA, safety
EV & eMobility
Charging, roaming, billing
Trading & Risk
ETRM, positions, settlement
Metering & Devices
AMI, IoT, edge telemetry
Energy Mgmt & ESG
Demand, carbon, reporting
We know your market constraints. Let's scope the build.
How We Compare
Energy Software Development Company Compared
An honest look at your three delivery options.
| Capability | In-House Team | Freelance Developer | Big Consultancy | Stallyons Technologies |
|---|---|---|---|---|
| Scope & estimate | Moves with the roadmap | ✕ Agreed verbally | Fixed bid, change orders | Written before contract |
| Telemetry depth | Knows own assets | ✕ One feed at a time | Sub-teams per system | Mapped in week one |
| Compliance alignment | Depends on team | ✕ Not covered | Documented late | Designed in early |
| Data migration | Side project | ✕ Copy and hope | Extra workstream | Rehearsed, reconciled |
| Rollout approach | One release day | ✕ Ships and leaves | Big-bang cutover | Staged, reversible |
| Testing & QA | When there is time | ✕ None | Coverage percent | E2E on settlement paths |
| Contracting entity | Your payroll | ✕ Platform terms | Hourly partners | US-registered LLC |
| Long-term support | Competes with roadmap | ✕ Gone at launch | New engagement | Standing cadence |
See the difference for yourself
Complete Engagement
Everything In A Custom Energy Software Project
From Scoping to Contracting to Delivery, One Vendor
Here's everything included in a custom energy software project:
One Energy Project Price: No Hidden Fees, No Surprises.
Every energy engagement includes all eight components above. One contract, one senior team, one predictable cost, no vendor sprawl.
🔒 No obligation. We'll deliver a detailed proposal within 48 hours.
Plus, Get These Free Bonuses
Free Systems Read
A written read on your energy systems: which should integrate, where the telemetry and settlement risk sits, and what belongs in phase one. Yours to keep.
Included Free
Delivery Plan & Estimate
A phased delivery plan with scope, milestones, a stack recommendation and a transparent, itemized estimate for the engagement.
Included Free
Free Vendor Checklist
The questions we would ask any energy vendor about telemetry, settlement, compliance and migration, so you can put us through the same test.
Included Free
Risk-Free Partnership
Our Energy Delivery Promise
We stand behind every engagement with commitments that protect your investment.
01
Scope Agreed First
Scope, model, working hours and cost structure are written down and agreed before contracting, so nothing is discovered later.
02
Built to Last
Senior developers, code review, automated tests, security and accessibility audits, and clean, documented code you fully own.
03
IP And Access Protected
NDA and IP assignment are signed before access, permissions are scoped per person, and your accounts stay under your control.
Start your energy build with confidence, backed by our Triple Protection Guarantee.
Track Record
Engagements That Ship, Scale, and Compound
500+
Projects Delivered
29+
Service Categories
81%
Repeat Client Rate
4.9 ★
Clutch Rating
"Stallyons took our Figma design and built it into a live web application, a cognitive game with level-based match play, messaging, a tutorial, and a directory that ranks users nationally. What impressed me most was their grasp of the code behind that logic, and the quality of the experience. Delivered on time with steady updates."
Jerry L.
Founder
PicCiti LLC
"We brought Stallyons in to absorb an overflow of work, and they delivered ten iOS and Android apps, from reporting to geo-location for logistics, plus several backend systems, owning design, development, and app-store submission. Everything stood out: code quality, speed, and reliability. Perfect code, on time, adopted company-wide."
William B.
Director
Amplo Solutions
FAQ
Custom Energy Software Development FAQs
Energy software development is the design and build of the systems an energy business runs on: meter data and MDM, SCADA and telemetry, energy management, trading and settlement, and the reporting a market and a regulator expect. It differs from ordinary application work in its physical and market constraints — late telemetry, meter reads that must balance, control-system security and a lifecycle measured in years. The work covers architecture, build, migration, launch and support.
The difference is fit and consequence. A packaged utility suite gives you its data and process model, and you adapt operations to it. Custom energy software development builds around your assets, your market rules and your settlement, so the operation is not fighting the tool. It matters most where your assets are mixed, where telemetry is high-volume, or where a market or NERC review expects evidence fast. That is why the work starts with the data and the integrations, not the screens.
Cost follows scope, so anyone quoting a figure before scoping is guessing. What moves it most is the number of assets, meters and systems being integrated, the volume of telemetry, the state of the data being migrated, and how strict your market and compliance obligations are. We scope first, then price it phase by phase, itemized, so you can see where every number comes from.
It depends on the scope, and we put a timeline in writing before contracting rather than quoting a stock number. The biggest drivers are integration count, telemetry volume and how many sites or markets have to sign off. We deliver in phases against milestones you approve, so a working slice runs against real data and earns trust long before the full rollout.
You do, from the first commit. The NDA and IP assignment are signed before any access is granted, with no licence-back and no shared ownership. Repositories, environments and deployment configuration are created in your own accounts from day one, and nothing has to be handed back or renegotiated at the end.
Yes; that is usually the point. The first deliverable is an integration map covering every source we touch — AMI meters, SCADA, billing (CIS) and market feeds — who owns each, what data crosses, and how failures are handled. We build with retries, reconciliation and monitoring on each connection, so one feed’s outage never becomes your outage.
If a packaged suite covers most of what you do and you can accept its data model, configure it; that is the cheaper path. Custom pays off when your assets are the advantage, when telemetry and integrations multiply, or when licence and workaround costs compound yearly. We tell you which side you are on at scoping, in writing, before you commit anything.
We build energy-domain systems — metering, SCADA, energy management, trading and settlement — around your assets and market rules, not a generic billing SaaS resold under your name. Where a large multi-system platform is in scope we lean on our enterprise software development service, and where hosting telemetry at volume matters we use our cloud practice. Naming that boundary keeps the page honest.
Still have questions? Let's talk.
Schedule an appointment with us today!
Ready To Build Energy Software Properly?
Get a free consultation. We'll map your assets and data flows, recommend an architecture, and send a detailed written proposal.
