Energy

The successor to AWEA, now covering wind, utility-scale solar, storage, transmission and clean hydrogen. Publishes the Clean Power Quarterly market reports and state fact sheets, and is the primary industry voice on interconnection and permitting reform.

Process simulation, planning and scheduling, and asset performance management software used across refining, chemicals, upstream and increasingly grid and renewables operations. The de facto standard modeling stack in downstream and midstream engineering.

Remote solar design, shading analysis, production simulation and proposal generation used by residential and commercial installers to sell and engineer systems without a site visit. One of the two platforms most installer sales processes are built around.

The City of Austin's municipally owned electric utility, serving the Austin metro outside the competitive retail market. Sets local solar rebates, the Value of Solar tariff, interconnection requirements and demand-response programs — the operative rulebook for any solar or storage installer working in Austin.

Distributed energy resource management and virtual power plant software that forecasts, optimizes and dispatches fleets of batteries, EV chargers, thermostats and flexible loads for utilities and aggregators. One of the original DERMS platforms and a common backbone for VPP programs.

The dominant real-time operational data historian in power generation, transmission, oil and gas and process industries — the system that collects, stores and contextualizes sensor and SCADA data. If an energy analytics product integrates with anything, it integrates with PI first.

Combines oilfield services and equipment with an industrial energy technology segment covering gas turbines, compressors, LNG equipment and emissions-measurement technology. The most diversified of the majors' service suppliers, and a serious player in methane monitoring hardware.

Austin startup selling home battery backup bundled with a retail electricity plan at low upfront cost, then aggregating the installed fleet as a dispatchable grid resource in ERCOT. A clear example of the distributed-battery-as-grid-asset business model native to the Texas market.

Lawrence Berkeley National Laboratory's electricity markets group, publisher of the Queued Up interconnection-queue analyses, Tracking the Sun, the Utility-Scale Solar and Land-Based Wind Market Reports and PPA price series — all free. Included in place of NREL, whose nrel.gov domain returned no DNS A record at build time.

Research house whose levelized-cost, battery-price survey, energy-transition-investment and storage-outlook figures are the most widely quoted commercial benchmarks in clean energy. Its annual lithium-ion pack price survey is the reference series for battery cost claims.

The state geological survey of Texas, housed at the University of Texas at Austin, with research programs in unconventional reservoirs, carbon storage, induced seismicity and water. The neutral technical authority a Texas energy claim can be anchored to.

Integrated major with a large Permian position, global upstream portfolio, refining and marketing, and a new-energies arm covering renewable fuels, hydrogen and carbon capture. Relocated its headquarters from California to Houston, consolidating the US majors in Texas.

The largest pure-play independent exploration and production company, with Lower 48 unconventional assets, Alaska, Canada and international LNG-linked positions. Sets the reference point for capital discipline and shareholder-return framing across the E&P sector.

Midland-headquartered pure-play Permian operator known for low cost structure and aggressive consolidation of adjacent acreage, with affiliated midstream and mineral-royalty vehicles. The benchmark independent for Permian operating efficiency.

The official US source for energy production, consumption, capacity, price and forecast data — Electric Power Monthly, the Short-Term Energy Outlook, the Annual Energy Outlook, Today in Energy and the state profiles. Any market claim in a US energy piece should trace back here first; it is the one citation no buyer disputes.

Operator of the largest crude oil pipeline network in North America plus major natural gas transmission and gas utility businesses and a renewable power arm. Its scale in long-haul liquids makes it the reference point for pipeline tariff and basis discussions.

Large diversified midstream partnership with natural gas, NGL, crude and refined products pipelines, fractionation at Mont Belvieu and export terminals, plus a proposed Gulf Coast LNG project. Dallas-headquartered and heavily weighted to Texas assets.

Maker of module-level microinverters, IQ batteries, EV chargers and the Enlighten monitoring platform, sold almost entirely through an installer channel. Defined the module-level power electronics category and competes head-on with string-inverter architectures.

The monitoring and fleet-management platform behind Enphase microinverters and IQ batteries, giving homeowners per-module production data and installers remote diagnostics and warranty visibility across their installed base. The stickiest part of the Enphase ecosystem.

Austin-headquartered energy SaaS and data company covering upstream land, well and production data, trading and risk, power and renewables analytics and ESG reporting — built from the former DrillingInfo. The most widely used commercial dataset for US oil and gas, and increasingly for power markets.

Large independent producer across the Permian, Eagle Ford, Powder River and other plays, long regarded as the technical leader in shale completion design and premium-return well screening. Its in-house data and completion methods are widely imitated across the sector.

The independent system operator for roughly 90% of Texas load, running the nodal market, the interconnection queue and the seasonal resource adequacy assessments, with headquarters in Taylor northeast of Austin. Its dashboards, market notices and long-term load forecasts are the primary source for anything about the Texas grid.

The largest US integrated major, spanning upstream production, refining, chemicals and a low-carbon solutions arm covering carbon capture, hydrogen and lithium. Its acquisition of Pioneer Natural Resources made it the dominant Permian acreage holder and set the template for the consolidation wave that followed.

Regulates interstate electricity transmission and wholesale sales, interstate natural gas pipelines and LNG terminals, and hydropower licensing. Its interconnection and transmission-planning orders set the rules most of the country follows — though ERCOT's intrastate isolation limits its direct reach in Texas. Site returns 403 to scripted traffic; listed unverified.

The largest US-headquartered solar module manufacturer and the only major producer at scale using cadmium telluride thin film rather than crystalline silicon, giving it a distinct supply chain outside the Chinese polysilicon complex and a strong domestic-content position.

Pure-play grid-scale energy storage products, services and the Mosaic and Nispera trading and asset-performance software, originally a Siemens and AES joint venture. One of the few vendors selling the storage hardware and the bidding intelligence together.

Developer of an iron-air battery targeting roughly 100 hours of storage — multi-day duration aimed at weather-driven grid shortfalls rather than daily arbitrage — manufactured at a converted steel mill site in Weirton, West Virginia. The leading credible answer to the limits of four-hour lithium.

One of the largest oilfield service companies, dominant in North American hydraulic fracturing and pressure pumping alongside drilling fluids, cementing, completions and production chemicals. Its North American frac fleet utilization is a direct read on shale activity.

Enterprise asset management and upstream oil and gas software including the former P2 Energy Solutions land, accounting and reserves products; the p2energysolutions.com domain now redirects here. Competes directly with Quorum in upstream back-office systems.

Publishes the World Energy Outlook, Renewables, Electricity and Oil Market Reports plus extensive free data. The standard global reference for supply, demand, investment and technology-cost trends, and the counterweight to US-only EIA framing.

Austin-headquartered developer, owner and operator of standalone grid-scale battery storage, with a large operating fleet concentrated in ERCOT and in-house dispatch and trading capability. One of the pure-play storage IPPs that built the Texas BESS market.

One of the largest natural gas transmission and storage operators in the US, moving a substantial share of national gas consumption, along with terminals, CO2 and products pipelines. Central to Permian gas takeaway and Gulf Coast LNG feedgas.

The electric reliability organization that writes and enforces mandatory reliability standards, publishes the seasonal and long-term reliability assessments, and produces the post-event inquiries — including the joint FERC-NERC report on the 2021 Texas freeze that drove winterization rulemaking.

The largest generator of wind and solar power in the US, pairing NextEra Energy Resources' merchant renewables and storage development arm with Florida Power & Light, one of the country's biggest regulated utilities. Its scale in origination, tax-equity structuring and interconnection navigation is the benchmark every clean-energy developer is measured against.

Integrated power company pairing generation with a very large retail electricity and home-services business including Reliant, Direct Energy and Vivint smart-home. Its retail-plus-devices footprint makes it a natural aggregator of residential demand response and virtual power plants.

Major Permian operator with unusual depth in enhanced oil recovery and CO2 handling, extended through its Oxy Low Carbon Ventures and 1PointFive direct-air-capture business. The clearest example of an oil producer building carbon management as a product line rather than an offset.

End-to-end solar design, proposal, CRM and financing platform offered free to installers and monetized through hardware and finance partners — a distinctly different business model from subscription design tools, and the main challenger to Aurora in the installer channel.

Formerly the largest pure-play Permian independent and the defining Midland Basin operator; acquired by ExxonMobil, and its corporate domain now redirects to ExxonMobil. Retained here because Pioneer type curves, acreage and disclosures remain the reference dataset for Permian benchmarking.

Regulates electric and telecom utilities in Texas, oversees ERCOT, certifies retail electricity providers and rules on transmission certificates, market design changes and large-load interconnection policy. Where the Texas market rules that matter are actually decided.

Software for land and lease management, production and revenue accounting, measurement, gas gathering and midstream logistics — the back-office systems of record for a large share of North American operators and midstream companies.

Despite the name, the state regulator for oil and gas, pipeline safety, gas utilities and surface mining in Texas — permitting, well records, production reporting, flaring exceptions and plugging. Its public data is the primary record for any Texas well or operator.

Independent research firm with detailed asset-level upstream databases plus oilfield service, shale well-economics and energy transition coverage. Its shale cost-of-supply and service-market analyses are widely cited by operators and press alike.

The largest global oilfield services and technology company, spanning reservoir characterization, drilling, production systems and a substantial digital and subsurface-software business. Its international and offshore weighting makes it the least US-shale-correlated of the big three.

The US solar and storage trade association, publisher of the quarterly Solar Market Insight report with Wood Mackenzie, plus state-level market data, policy trackers and supply-chain traceability guidance. The default citation for US solar installation figures.

DC-optimized inverter systems combining string inverters with per-module power optimizers, plus home batteries and commercial three-phase products. The primary architectural alternative to microinverters in residential and small commercial solar. Site returns 403 to scripted traffic; listed unverified.

The largest US residential solar and battery company, built on third-party ownership through leases and power purchase agreements rather than cash sales, and increasingly on aggregating its installed battery fleet into grid-services and VPP programs.

Megapack utility-scale storage, Powerwall home batteries, solar roof and the Autobidder dispatch and trading software, plus one of the largest residential virtual power plant programs in North America. Headquartered in Austin, directly inside the ERCOT market. Site returns 403 to scripted traffic; listed unverified.

Software for utilities covering customer engagement, energy efficiency and rebate programs, demand response, rate engagement and distributed energy resource management. The layer through which many utilities actually reach and dispatch residential customers.

Runs the national laboratory system, the Loan Programs Office, grid and storage demonstration programs, efficiency standards and the Strategic Petroleum Reserve. Its program announcements and technical reports underpin much of the applied research the sector cites.

One of the largest independent power producers in the country, combining a big gas, coal and nuclear generation fleet with retail electricity brands including TXU Energy, plus growing utility-scale solar and battery assets. The clearest example of a merchant generator monetizing dispatchability and nuclear in the AI-load era.

Research and consulting across upstream oil and gas, power, renewables and metals, co-publisher of the US Solar Market Insight and Energy Storage Monitor series. One of the few houses whose analysts cover both the hydrocarbon and power sides credibly.