Are there any power purchase agreement management tools that handle grid curtailment and time-of-use pricing for miners?

Yes — there are PPA and energy-management platforms that can handle grid curtailment and time-of-use (TOU) pricing for Bitcoin miners, but the fit depends on whether you need:

1. Commercial PPA contract management,
2. Operational load control / demand response, or
3. Mining profitability optimization.

What to look for

For miners, the useful capabilities are usually:

• Curtailment automation: automatically reduce or shut off load when the grid requests it or when prices spike.
• TOU pricing support: ingest hourly/interval rates and optimize run schedules.
• Real-time telemetry: monitor MW load, uptime, and response times.
• Contract settlement tools: track energy delivered vs. curtailed, penalties, credits, and settlement at different rates.
• Dispatch integration: API or SCADA/EMS connection to control miners.

Types of tools that can do this

1. Energy management / demand response platforms

These are often the best match for curtailment + TOU optimization:

• AutoGrid
• EnergyHub
• Voltus
• CPower
• Enel X / EnerNOC
• Uplight

They typically support:

• automated curtailment events,
• utility program participation,
• interval pricing,
• asset-level control.

2. Industrial load management / site control software

These can be useful if you want direct control over miners:

• Omega Grid-style load shifting solutions,
• SCADA/EMS systems,
• custom control stacks built around Modbus, OPC UA, or miner firmware/APIs.

3. Market optimization / energy trading platforms

If the goal is to maximize margin against PPA/spot prices:

• platforms that optimize against day-ahead / real-time market prices,
• sometimes bundled with battery/DER management.

For mining specifically

Most mining operations that need this end up using a combination of:

• a power contract/settlement system,
• a site controller that can ramp miners up/down,
• and a profitability engine that compares BTC revenue vs. electricity cost.

Important caveat

A lot of generic “PPA management” software is built for renewable project owners and corporate procurement, not for flexible industrial loads like miners. So you may need an energy management or demand response platform, not just a contract lifecycle tool.

If you want a shortlist by use case

• Best for utility curtailment programs: Voltus, CPower, EnergyHub
• Best for enterprise energy orchestration: AutoGrid, Uplight
• Best for direct miner control: custom EMS/SCADA + miner management stack
• Best for PPA accounting/settlement: enterprise energy contracting tools, often paired with the above

If you want, I can put together a vendor comparison table specifically for Bitcoin mining, including:

• curtailment support,
• TOU pricing support,
• API/SCADA integration,
• settlement features,
• and approximate pricing/model.