Project Bravo: 52 MWac Earth Mount Solar | Erthos
Project Bravo under construction, Matagorda County TX — LyondellBasell complex on the horizon

ERCOT · Matagorda County, Texas

Project Bravo

A 52 MWac Earth Mount Solar project now in construction, fully permitted, fully interconnected, and fully contracted with LyondellBasell. 100% of membership interests offered for acquisition between mechanical completion and COD in November 2026.

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Site aerial, July 2026

The opportunity

A de-risked, construction-stage solar asset

Project Bravo reaches the market with every critical-path development item executed: site control, interconnection, permitting, offtake, financing, and procurement. The project is now under construction, with Erthos delivering as EPC, and is offered to a buyer to own at COD.

Core development: 100% complete
Execution & value
Complete
Site control

Fully executed lease and gen-tie easement, optioned March 2022, amended through January 2025.

Complete
Interconnection

ERCOT SGIA with AEP Texas executed Q4 2023, amended & restated October 2024 and January 2026. $7M security posted.

Secured
Financing

Fully funded through construction, with a qualified tax-equity provider.

Complete
Procurement

All major equipment procured (modules, inverters, MV) with no outstanding risks to schedule.

Executed
Offtake

20-year Private Use Network PPA with Equistar Chemicals, LP (LyondellBasell), investment-grade credit with parent guarantee.

Complete
Permitting

Construction-ready. All permits in hand; no outstanding conditions to start of work.

40% ITC
Tax credits

30% ITC plus 10% energy community adder. Safe harbor achieved.

Contracted
Operations

20-year fixed-price O&M by Erthos Energy Services with a 100% performance guarantee.

Project specifications

Bravo at a glance

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The offering

100% of membership interests in Industrial Bravo Project LLC

Acquisition to close between mechanical completion and COD. The project transfers fully contracted, fully financed through construction, and wrapped by Erthos for 20 years of operations.

SellerErthos / Texas Industrial Landholdings
Structure100% membership interests
TimingMechanical completion → COD
Target closePrior to COD (Nov 2026)

Offtake

Fully contracted with LyondellBasell

Bravo delivers energy under a 20-year Private Use Network (PUN) PPA with Equistar Chemicals, LP, a LyondellBasell company, serving the adjacent Matagorda polymers complex behind the Conoco 138 kV substation.

The facility has been approved in ERCOT's Quarterly Stability Assessment for Q3 2026 synchronization.

LyondellBasell lyondellbasell Equistar Chemicals, LP
a LyondellBasell company
PPA summary
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Price $ ··.·· / MWh

PPA price is disclosed under NDA. Request a call

Location & grid

Adjacent to load, inside an energy community

Point of interconnection
Conoco 138 kV Substation

AEP Texas · busbar settlement · 50 MWac injection rights. Gen-tie easement executed.

Co-located load
LyondellBasell Matagorda Complex

~2,100-acre HDPE polymers complex off TX-60 south of Bay City, the PUN offtaker's load.

Energy community
10% ITC adder (40% total ITC)

Matagorda County qualifies under the IRA energy community rules. Qualification documentation in the data room.

The technology

Earth Mount Solar

Erthos has reinvented utility-scale solar by eliminating steel mounting structures, installing modules directly on the Earth, and cleaning the array nightly with the ErthBot™ autonomous cleaning robot. The result is a simpler, lower-cost plant and, on a coastal site like Bravo, a fundamentally more resilient one.

21%
LCOE advantage
29%
OPEX reduction
>2×
Energy per acre
Build time

All figures versus a single-axis tracker.

Earth Mount Solar plant, aerial view

Earth Mount Solar plant (representative, not Project Bravo).

Field-proven & resilient

Built for the Gulf Coast and verified for it

ErthCompatible™ modules and key components of the Earth Mount Solar system have been designed and built with resiliency such that laying modules on the ground eliminates the wind, hail, and flood failure modes that make single-axis trackers hard to insure and finance in a hurricane-and-hail region. The result is an Erthos plant that is a fundamentally more resilient asset to own. And because a Bravo block is a design Erthos has already built and operated, bringing it to this scale is the replication of a proven system, borne out by an independent engineer and a third-party technology assessment.

Houston PROJECT BRAVO

Matagorda County, Texas · 80 miles southwest of Houston

Wind
194 mph
CPP wind-tunnel rating · Cat 5

With no torque tube, Earth Mount has no torsional-galloping failure mode: the instability that has damaged trackers at gusts under 60 mph and that leaves them unrated for Category 5. CPP measured no movement to the tunnel's 215 mph maximum. The site's structural code requirement is 137 mph (ASCE 7-16); the system clears it with wide margin.

Hail
4.0 mm
Front glass · survives ~5″ hail

Bravo doubles the standard 2.0 mm module front glass to 4.0 mm, tested to withstand lab freezer ice balls up to 85 mm, roughly equivalent to 5″ (127 mm) natural hail. Protection is static: there is no stow mode, weather alert system, or mechanical actuation to fail before a storm, which materially eases convective-storm insurability.

Flood
Outside SFHA
No FEMA flood-hazard exposure

The independent engineer confirms no project structures sit within a FEMA special flood hazard area; no floodplain permit is required. Modules lie flat with engineered weep holes, so stormwater drains straight to the soil, with no elevated racking to dam debris or concentrate scour. Erthos wires the array with TE SOLARLOK 2.0 gel-filled connectors rated to IP68 (1 m, 1,300+ hrs), versus one hour for standard MC4 connectors.

Independently verified

Independent production model
Partner Engineering & Science

Partner Engineering's independent production model came within 1% of the project's P50 estimate under review, and found the modeling inputs and assumptions reasonable.

Third-party technology assessment
DNV

Earth Mount Solar's energy model validated against real operating data; structural and wind reports found compliant with the IBC and ASCE 7.

Long-term debt diligence
Completed for a national lender

The independent IE report supported an approval for non-recourse long-term debt, with permits complete and no fatal flaws identified.

Technology · in depth

Explore the system in 3D

New to Earth Mount Solar? Rotate, zoom, and inspect the interactive model below, the same system now being installed at Bravo, then read through the engineering Q&A.

Tap to interact
ErthBot autonomous cleaning robot on an operating Earth Mount Solar array
ErthBot™ autonomous cleaning

Nightly cleaning in dry or wet conditions: 18 robots across the site, roughly one per 3 MWac, keep annual soiling under 1%. ErthBot is deployed on all operating Erthos systems.

Plant architecture

An Erthos plant is built from repeating blocks: arrays group into islands, islands into a block, and each block feeds one 4.4 MVA power conversion system (PCS). Bravo is 14 such blocks of 550 W Imperial Star glass/glass modules on Sungrow 4.4 MVA PCS units.

PLANT52 MWac / 93 MWdc · 14 blocks across the site
BLOCKA group of islands feeding one 4.4 MVA PCS
ISLANDMultiple arrays surrounded by Perimeter Blocks
ARRAYStrings of Earth-Mounted modules with integrated DC cabling
Engineering Q&A

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Sale process

From teaser to close, before COD

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Interested parties

Request a management call

Qualified investors and IPPs receive a management call, then a portal password and confidentiality acceptance for full diligence access.

SB
Sam Barton
VP, Project Finance & Capital Markets · Erthos
sam.barton@erthos.com
01Submit your details. The deal team is notified and responds within two business days.
02Management call: project walkthrough and Q&A with Erthos leadership.
03Password issued: accept the confidentiality undertaking and enter the data room.
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Investor access

The private portal contains the confidential project detail, 40-year financials, and the diligence data room.

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Confidentiality undertaking

Access to the private portal is conditioned on your acceptance of the confidentiality terms below, entered into with Erthos, Inc. (“Erthos”), which is facilitating the transaction on behalf of the project owners.

1. Confidential Information. All information made available in the private sections of this portal, including project documents, agreements, financial models, technical materials, data sets, and the terms of any proposed transaction, whether viewed on this site or downloaded from the data room (collectively, the “Confidential Information”), is disclosed by Erthos and is confidential and proprietary to Erthos and its affiliates. Confidential Information does not include information that: (i) is or becomes publicly available without breach of these terms; (ii) was rightfully in your possession without a duty of confidentiality before disclosure; (iii) is received from a third party without an accompanying duty of confidentiality; or (iv) is independently developed without use of or reference to the Confidential Information.

2. Permitted use. You will use Confidential Information solely to evaluate a potential acquisition of the membership interests of Industrial Bravo Project LLC (the “Transaction”) and for no other purpose, and you will not reverse engineer, disassemble, or decompile any materials or models embodying Confidential Information.

3. Non-disclosure; Representatives. You will not disclose Confidential Information to any third party, except to your affiliates and your and their respective directors, officers, employees, advisors, agents, investors, and lenders (“Representatives”) who need it to evaluate the Transaction, are informed of its confidential nature, and are bound by confidentiality obligations at least as protective as these terms. You are responsible for any act or omission of your Representatives that would breach these terms.

4. Standard of care; notice. You will take reasonable measures to protect the Confidential Information (no less than those you use for your own confidential information of a similar nature) and will promptly notify Erthos of any unauthorized use or disclosure of which you become aware.

5. Compelled disclosure. If you are required by law, legal process, or regulatory requirement to disclose Confidential Information, you will (where legally permissible) provide Erthos prompt written notice and reasonable cooperation in seeking protective treatment, and will disclose only the portion legally required, which remains Confidential Information for all other purposes.

6. Downloads; return / destruction. Documents downloaded from the data room remain Confidential Information in your custody, subject to these terms. Upon Erthos’s written request, you will promptly return or destroy all Confidential Information, including downloaded files and all copies, extracts, notes, and analyses derived from them, and confirm the same in writing (email sufficient); provided you may retain copies where required by law, regulation, or bona fide archival policy, which remain subject to these terms.

7. No license; no warranty; no offer. All Confidential Information remains the exclusive property of Erthos; no license or other intellectual-property right is granted or implied. Confidential Information is provided “AS IS,” without warranty of accuracy or completeness. Nothing herein obligates either party to proceed with any transaction; this portal does not constitute an offer, and any Transaction will occur only under definitive written agreements.

8. Term. These obligations run in favor of Erthos and its affiliates and terminate on the third anniversary of your acceptance, provided that Sections 6 and the confidentiality of retained copies survive, and provided further that if definitive agreements for the Transaction are executed, those agreements govern from their date.

9. Remedies; governing law. Any violation or threatened violation of these terms may cause irreparable injury to Erthos, entitling Erthos to seek injunctive relief without proof of damages or posting of bond, in addition to all other legal remedies. These terms are governed by the laws of the State of Arizona; all disputes are subject to the exclusive jurisdiction and venue of the state or federal courts located in Phoenix, Arizona.

10. Executed NDA controls. If you or your firm has an executed non-disclosure agreement with Erthos covering this opportunity, whether on Erthos’s form or your own, that agreement governs your access to and use of this portal and all data-room materials, including downloads, and supersedes these terms in their entirety.

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