Historical Marketsfree

Historical LMP Data

5-year hourly LMP data for CAISO and PJM nodes

MCP Function Name

gridkit_historical_lmp

What It Does

Query 5 years of hourly Locational Marginal Price (LMP) data. Supports CAISO (SP15, NP15, ZP26) and PJM (PJM_WEST, PJM_EAST, COMED, PECO, PPL, PSEG, DOM). Flexible aggregation: hourly, daily, monthly, yearly. Hour filter for solar-weighted analysis.

Parameters

Name	Type	Required	Description
iso	string	optional (CAISO)	ISO/RTO: CAISO or PJM
node	string	optional (SP15)	Pricing node
start_date	string	optional	Start date (YYYY-MM-DD)
end_date	string	optional	End date (YYYY-MM-DD)
market_type	string	optional (DAM)	DAM or RTM
aggregation	string	optional (daily)	hourly, daily, monthly, yearly
hour_filter	string	optional	Hour range filter (e.g., '7-19')

Try These in Claude

Show me 5 years of daily CAISO SP15 LMP prices

Monthly average electricity prices at PJM COMED node

Data Sources

CAISO OASISPJM Data Miner

Use Cases

- Revenue modeling
- PPA pricing
- Market trend analysis
- Risk assessment

Connect This Tool

Part of the unified Gridleaf gateway. Connect once for all 55 tools:

Claude Code

claude mcp add --transport streamable-http gridleaf https://mcp.gridleaf.org/mcp --header "X-API-Key: YOUR_KEY"

Claude.ai

Settings > Integrations > Add Custom Connector > URL: https://mcp.gridleaf.org/mcp

More Historical Markets Tools

Hourly Price Profile

24-hour average price shape showing peak/off-peak patterns and BESS windows

Multi-Node Price Comparison

Compare electricity prices across nodes to identify basis differentials

Price Duration Curve

Sorted LMP distribution with percentiles for tail risk analysis

12x24 Price Heatmap

Month vs hour-of-day LMP matrix revealing seasonal and diurnal patterns