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Pinnacle West Capital Corporation

PNWNYSETrackedESG Rated: 1/2 ProvidersMarket Data VerifiedUtilitiesElectric UtilitiesSustainalytics: 31.1 · High

Coverage
Rated universe Carries an MSCI or Sustainalytics observation.
ESG profile reviewed
Last editorial update to this profile.
Quote
Delayed quoteObservation time is shown beside the price.
Methodology
How we rateProvider ratings are shown separately, never blended.

Market overview

USD 94.30

Up+USD 0.08 (+0.09%) Day change

Delayed quote · As of · USD · Market data via Massive Stock Widgets

This quote can lag the exchange by several minutes. It is not a real-time price.

Open
USD 94.22
Previous close
USD 94.21
Day high
USD 94.45
Day low
USD 93.74
Volume
67,569
Market cap
USD 11,428,292,608
Price chart · 1 Year
Pinnacle West Capital Corporation 1 Year price chartPinnacle West Capital Corporation, nyse:PNW, 1 Year price chart in USD. Start USD 86.52, end USD 94.21, high USD 109.37, low USD 86.08, up.
Period1 YearFirst closeUSD 86.52Last closeUSD 94.21Maximum closeUSD 109.37Minimum closeUSD 86.08Period change+USD 7.69Period percentage change+8.89%Chart as ofSep 18, 2026, 1:30 PM GMT+0000
View Chart Data
Representative chart points — 24 of 251
Date and time Open High Low Close Volume
USD 86.16 USD 87.07 USD 85.70 USD 86.52 1,529,200
USD 87.36 USD 87.57 USD 85.92 USD 86.08 1,054,500
USD 93.13 USD 93.13 USD 91.95 USD 92.23 1,313,000
USD 89.00 USD 89.36 USD 87.98 USD 88.46 1,510,800
USD 89.63 USD 89.63 USD 88.32 USD 88.72 1,427,900
USD 87.89 USD 88.43 USD 87.57 USD 88.17 1,201,700
USD 87.09 USD 87.91 USD 86.82 USD 87.69 908,700
USD 87.29 USD 89.39 USD 87.29 USD 89.32 1,533,300
USD 92.65 USD 93.61 USD 92.17 USD 92.94 1,083,300
USD 93.23 USD 95.90 USD 93.10 USD 95.20 2,345,600
USD 100.04 USD 100.09 USD 98.77 USD 99.54 2,354,600
USD 102.65 USD 103.42 USD 101.67 USD 102.91 1,194,700
USD 98.73 USD 100.54 USD 98.19 USD 99.69 1,600,800
USD 102.22 USD 103.22 USD 101.38 USD 102.69 1,150,500
USD 102.79 USD 103.22 USD 101.32 USD 101.67 1,062,200
USD 99.53 USD 99.95 USD 99.03 USD 99.77 736,800
USD 98.94 USD 99.38 USD 97.36 USD 97.48 904,900
USD 103.43 USD 105.08 USD 102.96 USD 103.85 966,100
USD 106.97 USD 109.52 USD 106.58 USD 109.37 1,144,400
USD 107.94 USD 108.67 USD 106.17 USD 106.30 985,500
USD 99.65 USD 101.61 USD 99.37 USD 100.81 1,571,300
USD 101.40 USD 101.78 USD 100.08 USD 100.15 908,900
USD 96.96 USD 97.83 USD 96.60 USD 97.38 748,100
USD 94.75 USD 94.89 USD 93.89 USD 94.21 2,559,200

Company Profile & Business Model Overview

Pinnacle West Capital Corporation (PNW) is an energy holding company and the parent of Arizona Public Service (APS), which generates, transmits and distributes electricity to customers in Arizona. The company’s operations focus on regulated utility services, generation (including natural gas and renewable resources), and regulated transmission, and its common stock trades on the NYSE under the ticker PNW.

Sustainability Strengths & Catalysts (Pros)

  • Commitment to decarbonization: Pinnacle West/APS has publicly articulated a strategy to expand renewable generation and transition its generation mix to lower‑carbon resources as part of a stated goal to support a sustainable energy future for Arizona.
  • Reporting and transparency: The company publishes corporate responsibility and metrics reports and maintains disclosures on sustainability performance and governance practices on its corporate responsibility webpages.
  • Regulated utility structure supports grid investments: As a regulated electric utility, APS has access to regulated revenue mechanisms that facilitate investment in grid modernization and transmission improvements to support reliability and integration of

Material Risks & Governance Concerns (Cons)

  • Generation mix and emissions risk: Despite commitments to renewables, Pinnacle West continues to operate fossil‑fuel generation (including natural gas), which presents ongoing greenhouse gas emissions and transition risk.
  • Operational and regulatory controversies: The company and APS have faced regulatory and stakeholder scrutiny in the past related to resource planning and rate decisions, which can pose reputational, legal and regulatory risks to sustainability initiatives

Related ESG Peer Equities

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ESG & Sustainability Rating Breakdown

Synthesized multi-provider rating across Environmental, Social, and Corporate Governance dimensions.

Audited Methodology

MSCI ESG Rating

N/A
Sustainalytics Risk Score

31.1

High

Data integrity and methodology

MSCI and Sustainalytics ratings are shown separately with their own observation dates; they are not blended into one score, and providers can disagree. Market quotes are delayed or last-close values, and every snapshot states its source and observation time. Read the full rating methodology.

FAQ

Frequently Asked Questions

Direct answers on sustainability scores, risk methodologies, and peer rankings.

What is Pinnacle West Capital Corporation (PNW)'s ESG rating and sustainability score?

Pinnacle West Capital Corporation (PNW) carries a Sustainalytics ESG Risk Score of 31.1, measuring unmanaged corporate ESG risk on a scale of 0 to 50+.

Is Pinnacle West Capital Corporation considered an ESG leader or laggard in Utilities?

Independent benchmark status for Pinnacle West Capital Corporation is evaluated relative to Utilities peers once third-party coverage publishes official methodology scores.

What are the main ESG risks and controversies for Pinnacle West Capital Corporation?

Key material risks for Pinnacle West Capital Corporation include: Generation mix and emissions risk: Despite commitments to renewables, Pinnacle West continues to operate fossil‑fuel generation (including natural gas), which presents ongoing greenhouse gas emissions and transition risk.; Operational and regulatory controversies: The company and APS have faced regulatory and stakeholder scrutiny in the past related to resource planning and rate decisions, which can pose reputational, legal and regulatory risks to sustainability initiatives. Investors should evaluate whether corporate mitigation plans adequately address these vulnerabilities.

How does The Impact Investor evaluate ESG stock profiles?

The Impact Investor presents audited third-party ratings from MSCI and Sustainalytics alongside delayed market data and financial fundamentals. We do not blend ratings into proprietary black-box scores, and ratings are never modified by advertising or affiliate relationships.