Diamondback solar
203.8 MW generation in Starr, TX · In queue since September 2018 · Proposed COD May 2028
203.8 MW
Capacity
1
Components
Solar
7y 10m
In Queue
IA Executed
IA Phase
Signed Jun 2024
Queue → IA
5y 9m
IA → COD
3y 11m
Total Duration
5y 9m
Interconnection request submitted to ISO/RTO
ERCOT uses a serial "connect and manage" approach — fastest among major ISOs.
Typical: 18–30 months (fastest major ISO)
Interconnection agreement executed — binding commitment to build
Typical: 30–60 days (negotiation)
Project under construction
Typical: 12–24 months
Proposed COD: 2028-05-31
ERCOT Standard Generation Interconnection Agreement executed between Electric Transmission Texas, LLC and Diamondback Solar, LLC
sourceDiamondback Solar is a proposed 201.6 MW solar generation project located in Starr County, Texas. The project, developed by Nextera, is interconnected within the ERCOT region under queue ID ERCOT-20INR0162. It entered the interconnection queue on September 13, 2018, and has a proposed commercial operation date of May 31, 2028.
The project's Interconnection Agreement (IA) was executed on June 14, 2024. Diamondback Solar has been the subject of recent news coverage.
Generated from interconnection queue and public data sources
Realization risk from now to commercial operation — financing close, EPC and tax-equity counterparty mix, and COD probability vs the proposed date. The diligence view that determines whether the deal actually closes. Powered by InfraSure's development-stage modeling stack.
See the full development-risk decomposition for this project.
State
TX
County
Starr
Grid Region
ERCOT (Texas)
Market
ISO/RTO Member
Developer
Diamondback Solar, LLC
Utility
—
Entity
ERCOT
Service Type
—
Point of Interconnection
80355 Del Sol 345kV
Data Source
LBNL + Live
Composite operating-phase risk view — what this asset's risk profile will look like once it commissions. Climate hazards across its operating life, expected generation variability, and offtake counterparty exposure, decomposed into a single decision-grade score. Powered by InfraRisk.
See the full risk decomposition + scenarios for this project.
Forward generation outlook — first-year production estimate and 10-year P50 trajectory, with probabilistic ranges (P10/P50/P90) across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
See the full forecast + scenario decomposition for this project.
Forward revenue, DSCR projection, and financing-close risk — conditioned on commercial operation. First-year DSCR, 10-year cashflow, and counterparty exposure across price and policy scenarios. Powered by InfraSure's asset cashflow stack.
See the full revenue + DSCR projection for this project.
- ISO / RTO
- ERCOT
- Trading Hub
- HB_WEST
- Hub Confidence
- MEDIUM
- POI Substation
- Mesa del Sol Substation
This project's market context is estimated from its Point of Interconnection. Hub and node assignments are approximate and based on geographic inference from the POI substation name.
Forward forecasts, scenario decomposition, and risk-decision tooling for this queue project.
