Company

NATIONAL GRID PLC (NGG)

Standardized SEC financial data for NATIONAL GRID PLC — income statement, balance sheet, cash flow and 40+ ratios, available as a clean JSON API. CIK 0001004315 · NYSE · Natural Gas Transmission.

Net margin

15.8%

Revenue growth (YoY)

-7.4%

Return on equity

7.7%

Ratios for fiscal year 2025, standardized from SEC filings.

Income statement

£	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Revenue	£13.36B	£13.66B	£18.45B	£21.66B	£19.85B	£18.38B
R&D expense	£9.0M	£12.0M	£11.0M	£23.0M	£32.0M	£43.0M
Net income	£1.26B	£1.64B	£2.35B	£7.80B	£2.29B	£2.90B

Standardized from NATIONAL GRID PLC's SEC filings — per-share figures split-adjusted. Full history via the API.

Balance sheet

£	FY2020	FY2021	FY2022	FY2023	FY2024	FY2025
Goodwill	£5.71B	£4.59B	£9.53B	£9.85B	£9.73B	£9.53B
Total assets	£67.56B	£67.22B	£94.86B	£92.70B	£98.33B	£106.74B
Total liabilities	£47.77B	£47.36B	£71.00B	£63.13B

Get NGG data via API

# JSON
curl https://sec-financial-api-production.up.railway.app/v1/company/NGG/financials \
  -H "X-API-Key: YOUR_KEY"

# CSV export (income / balance / cash-flow)
curl "https://sec-financial-api-production.up.railway.app/v1/company/NGG/income-statement?format=csv" \
  -H "X-API-Key: YOUR_KEY"

Get a free API key Use with Claude (MCP) →View NGG filings on SEC EDGAR →