SiEnergy
SíEnergy, L.P. is a Texas-regulated natural gas distribution utility serving residential, commercial, and industrial customers across the Greater Houston, Austin, and Dallas-Fort Worth markets. Founded in 1998 and acquired by NW Natural Holdings in 2024, it delivers gas through owned pipeline infrastructure and developer-partnered master-planned community builds.
- Company typePrivate
- Founded1998
- HeadquartersAustin, United States
- Headcount51–100
- GTM typeB2B and B2C
- OfferingServices
What SiEnergy does
SíEnergy, L.P. is a regulated natural gas distribution utility founded in 1998 that delivers clean-burning natural gas to residential, commercial, and industrial customers across Texas. Headquartered in Bee Cave, Texas, the company operates in the Greater Houston area and has expanded service territory into Austin and Dallas-Fort Worth, targeting master-planned residential communities, commercial developments, and industrial super sites. SiEnergy owns and operates the physical pipeline infrastructure, metering stations, and service-line assets that constitute its regulated rate base, and earns revenue primarily through tariff-approved gas delivery charges and connection fees set by the Railroad Commission of Texas and municipal authorities.
The company differentiates through early engagement with developers and builders, providing engineering, project management, and infrastructure installation from project planning through ongoing service. Its customer-facing offerings include a web-based bill pay portal, start/stop/transfer service management, builder services for new construction meter and service-line installation, and a 24-hour emergency response line. Safety infrastructure — including continuous pipeline monitoring, odorant detection, and excess flow valves on residential service lines — is a core operational standard. Pricing for transactional payment channels (Walmart, CheckFreePay) carries per-transaction fees, while direct auto-draft is offered without processing fees.
In 2024, NW Natural Holdings acquired SiEnergy for $427 million, making it a subsidiary of the publicly traded multi-utility holding company and integrating SiEnergy into a portfolio that also includes water and wastewater operations across six states. In 2025, SiEnergy (alongside the Pines water acquisition) contributed approximately 98,000 utility connections to the parent, and on 2025-06-03 SiEnergy announced the acquisition of Hughes Gas Resources to further consolidate its Texas natural gas footprint.
SiEnergy firmographics
Firmographics- Name
- SiEnergy
- Legal name
- SíEnergy, L.P.
- Website
- https://sienergy.com
- Company type
- Private
- Founded year
- 1998
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- SíEnergy, L.P. is a Texas-regulated natural gas distribution utility serving residential, commercial, and industrial customers across the Greater Houston, Austin, and Dallas-Fort Worth markets. Founded in 1998 and acquired by NW Natural Holdings in 2024, it delivers gas through owned pipeline infrastructure and developer-partnered master-planned community builds.
- Ownership category
- akta.pro rank
SiEnergy industry classification
Industry- Product category
- Natural Gas Distribution
- NAICS
- Natural Gas Distribution (22121)
- SIC
- Natural Gas Distribution (4924)
- akta.pro primary industry
- Valve Sites, Drip Pots & Appurtenances (EUAJABAF)
Keywords
Where SiEnergy is headquartered
LocationHeadquarters
- HQ city
- Austin
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
SiEnergy business model
Business model- GTM type
- B2B and B2C
- Offering type
- Services
- Cost components
- Operations, Infrastructure, Personnel, Technology or R&D, Marketing or Sales, Supply Chain
Revenue model
- Natural Gas Distribution Services: SiEnergy generates revenue through regulated natural gas distribution services to residential, commercial, and industrial customers in Texas. Revenue is derived from natural gas delivery charges, connection fees, and tariff-based rates approved by the Railroad Commission of Texas and municipalities.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Pay-as-you-go | Standard Processing Fee at Walmart |
| Transaction based/ take rate | Pay-as-you-go | Next Day Processing at Walmart |
| Transaction based/ take rate | Pay-as-you-go | Other Payment Locations |
| Transaction based/ take rate | Monthly | Credit/Debit Card Processing |
| Subscription | Monthly | Direct Auto Draft |
| Other | Pay-as-you-go | Late Payment Fee |
Go-to-market motion2 records
Distribution channels4 records
Marketing channels1 record
SiEnergy product offering
Product offeringCore offering
SíEnergy is a regulated natural gas distribution utility that delivers clean-burning natural gas to residential, commercial, and industrial customers across Texas. It also provides natural gas infrastructure development services — including pipeline installation, metering stations, and engineering project management — for master-planned communities, builders, and industrial sites. Supporting offerings include builder services, start/stop/transfer gas service, online bill pay, and 24-hour emergency response.
Product overview
SiEnergy operates as a natural gas distribution utility providing premium natural gas services to communities throughout Texas. The company offers a unified service portfolio centered on Natural Gas Distribution Services and Natural Gas Infrastructure Development, supplemented by Builder Services for developers and builders, Start/Stop/Transfer Gas Service for customer transitions, an Online Bill Pay Portal for account management, and 24-hour Emergency Response Services. The core offering combines physical gas distribution infrastructure with customer-facing services for residential, commercial, and industrial users.
Differentiator
Problem solved
Functional benefit
Products and services
- Natural Gas Distribution Services Regulated natural gas distribution to residential, commercial, and industrial customers across Texas, providing clean-burning natural gas delivery at tariff-based rates approved by the Railroad Commission of Texas and municipalities.
- Natural Gas Infrastructure Development Infrastructure planning, engineering, project management, and implementation services for master-planned communities and industrial sites, including pipeline installation, metering stations, and related equipment.
- Builder Services
Companies that use SiEnergy
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles3 records
SiEnergy technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
SiEnergy partnerships and signals
Strategic signalScale indicators3 records
Recent moves5 records
Expansion highlights4 records
SiEnergy competitors and assessment
Company assessmentDirect peers
- Texas Gas Service: A regulated natural gas LDC serving residential, commercial, and industrial customers across Texas. Directly comparable to SiEnergy as another Railroad Commission of Texas-regulated gas utility operating in overlapping Texas metros.
- Atmos Energy: The largest natural gas distribution utility in Texas and a direct peer in residential and commercial gas distribution under the same regulatory regime. Comparable business model, customer mix, and rate-base economics to SiEnergy.
- ONE Gas: A pure-play regulated natural gas distribution utility serving Oklahoma, Kansas, and Texas. Closely comparable business model as a state-level LDC focused on residential and small-commercial gas distribution, overlapping with SiEnergy in parts of Texas.
Broad incumbents
- CenterPoint Energy: A large multi-state utility with regulated natural gas distribution operations across Texas (Houston area). Comparable in core LDC activity, but operates at much greater scale across electricity and gas across multiple states.
- Southwest Gas Holdings: A multi-state regulated natural gas LDC serving Arizona, Nevada, and California with a similar residential/community-focused distribution model. Comparable as a regulated gas utility, though operating in different geographies.
- Spire Inc. A regulated natural gas distribution utility serving Missouri, Alabama, and Mississippi. Comparable LDC business model and rate-base economics, but operating in a different geography.
Others
- Northwest Natural Holding Company: SiEnergy's parent company and a regulated natural gas utility in the Pacific Northwest. Connected as the strategic acquirer/parent of SiEnergy, sharing LDC economics but operating in a distinct geography.
Regional players
- Chesapeake Utilities: A diversified energy company with regulated natural gas distribution operations on the U.S. East Coast and Florida. Comparable in regulated LDC operations, but serving a different region.
- New Jersey Resources: A holding company with a regulated natural gas distribution subsidiary (New Jersey Natural Gas) and clean energy ventures. Comparable regulated gas utility model, but operating in the U.S. Northeast.
- Black Hills Energy: A regulated natural gas and electric utility serving customers across several states including Arkansas, Colorado, Iowa, Kansas, Missouri, Montana, Nebraska, Oklahoma, South Dakota, and Wyoming. Comparable regulated LDC model, but with broader multi-state footprint.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
SiEnergy social profiles
Digital presenceSiEnergy financial estimates
Financial estimateRevenue estimate
Valuation estimate
SiEnergy leadership team
Management profileNumber of profiles
SiEnergy funding detail
Funding detailFunding overview
Funding rounds3 records
Investors3 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
SiEnergy M&A and investment
M&A and investmentM&A1 record
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about SiEnergy
What does SiEnergy do?
SíEnergy is a regulated natural gas distribution utility that delivers clean-burning natural gas to residential, commercial, and industrial customers across Texas. It also provides natural gas infrastructure development services — including pipeline installation, metering stations, and engineering project management — for master-planned communities, builders, and industrial sites. Supporting offerings include builder services, start/stop/transfer gas service, online bill pay, and 24-hour emergency response.
Is SiEnergy a public or private company?
SiEnergy is a private company. It is classified as corporate owned and is currently operating.
When was SiEnergy founded?
SiEnergy was founded in 1998. It employs 51 to 100 people.
Where is SiEnergy based?
SiEnergy is headquartered in Austin, United States, in the North America region.
How does SiEnergy make money?
One revenue line is on record: natural Gas Distribution Services.
Who are SiEnergy's main competitors?
Direct peers on record are Texas Gas Service, Atmos Energy and ONE Gas. Broad incumbents are CenterPoint Energy, Southwest Gas Holdings and Spire Inc.. Northwest Natural Holding Company is listed as an others. Regional players are Chesapeake Utilities, New Jersey Resources and Black Hills Energy.
Does SiEnergy have an API?
No public API is recorded for SiEnergy.
What industry is SiEnergy in?
SiEnergy's product category is Natural Gas Distribution. Its primary akta.pro industry code is EUAJABAF, Valve Sites, Drip Pots & Appurtenances. Its NAICS code is 22121 and its SIC code is 4924.