CIDE Case Study: Kharkiv TEC-5 Combined Strike

CIDE-UA-2024-0322-KHK | robotics.press Infrastructure Intelligence Series

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1. Attack Summary

Date: 22 March 2024 Location: Kharkiv, Kharkiv Oblast, Ukraine (49.9935°N, 36.2304°E) CIDE ID: CIDE-UA-2024-0322-KHK Classification: Combined drone-missile strike on critical energy infrastructure Attacker: Russian Armed Forces Defender: Ukrainian Air Defense Forces

On 22 March 2024, Russian forces executed a coordinated combined-arms strike against Kharkiv Combined Heat and Power Plant No. 5 (TEC-5, also designated CHP-5), one of the primary thermal generation facilities serving Ukraine’s second-largest city. The attack employed Shahed-136/Geran-2 loitering munitions in conjunction with Iskander-M ballistic missiles in a sequenced salvo designed to saturate and exhaust point-defense assets before terminal weapon delivery. Reported damage was assessed as severe, affecting transformer infrastructure, gas distribution stations, and plant structures. The March 2024 strike followed a February 2024 attack on the same facility, which a Kharkiv city council deputy characterized as potentially causing irreparable damage, per reporting aggregated by the Institute for the Study of War (ISW, April 22, 2024). The cumulative effect of repeated strikes rendered TEC-5 functionally degraded entering the spring heating transition period.

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2. Target Analysis

Site Characteristics

Kharkiv TEC-5 is a combined heat and power plant located within the Kharkiv municipal energy grid, responsible for simultaneous generation of electrical power and district heating for residential and industrial consumers. CHP facilities of this class in post-Soviet Ukrainian infrastructure typically operate at installed capacities ranging from 540 MW to over 1,200 MW thermal-equivalent, with electrical output in the 200–540 MW range depending on unit configuration (Ukrainian Energy Exchange, 2023 grid data). TEC-5 serves as one of two principal CHP nodes in Kharkiv alongside TEC-4, making it a non-redundant load-bearing element of the city’s integrated heat-power network.

Why This Target

Kharkiv’s geographic position — approximately 30–40 km from the Russian border at its closest approach — places it within uncontested range of short-cycle strike packages. The city’s population of approximately 1.4 million (pre-war estimate, State Statistics Service of Ukraine, 2021) creates a high-consequence multiplier for any successful energy disruption. CHP facilities present a structurally attractive target class because they concentrate two critical output streams — heat and electricity — in a single physical node. Destroying or degrading a CHP plant simultaneously removes electrical generation capacity and district heating supply, producing cascading residential and industrial effects that a pure power station strike would not replicate.

The transformer yard and gas distribution infrastructure at TEC-5 represent the highest-value sub-components: transformers carry 12–18 month global replacement lead times under wartime procurement conditions (Ukrenergo, public statements, 2023–2024), and gas distribution damage interrupts fuel supply to remaining operational boilers even if generation equipment survives.

Defense Posture

Kharkiv’s air defense coverage is provided by a layered but resource-constrained network. Ukrainian Air Defense Forces operate a combination of Soviet-legacy S-300 systems, NASAMS (delivered 2022–2023), and IRIS-T SLM batteries in the broader northeastern theater. However, Kharkiv’s proximity to the Russian border compresses intercept timelines for ballistic trajectories to under 3 minutes for Iskander-M launches from Belgorod Oblast, significantly degrading intercept probability for the missile component of combined strikes (ISW, April 2024).

What Was NOT Attacked

Notably absent from the March 22 strike package were Kharkiv TEC-4, the city’s water pumping infrastructure, and the Kharkiv Metro system’s power supply nodes — all of which remained operational following the attack. This selectivity suggests either deliberate sequencing (preserving future target sets) or capacity constraints on the strike package rather than a comprehensive infrastructure suppression campaign.

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3. Impact Chain

First-Order Effects (Direct Physical Damage)

Reported damage to TEC-5 on 22 March 2024 encompassed transformer infrastructure, gas distribution stations, and plant buildings, consistent with damage typology observed at Trypilska, Burshtyn, and Prydniprovska thermal plants struck in the same March–April 2024 campaign wave (ISW, April 22, 2024; Ukrenergo public statements). Transformer damage at a facility of TEC-5’s class would represent the loss of 1–3 high-voltage step-up units, each valued at approximately $3–7 million USD under pre-war procurement pricing, with wartime replacement costs estimated 40–60% higher due to supply chain constraints (World Bank Ukraine Rapid Damage Assessment, 2024). Gas distribution station damage interrupts fuel delivery to boiler units, rendering surviving generation equipment inoperable regardless of its physical condition. Structural damage to plant buildings affects control rooms, auxiliary systems, and personnel facilities, extending restoration timelines.

Estimated direct repair cost for a severe-category CHP strike of this profile: $50–150 million USD, based on comparable assessments of Trypilska CHP destruction (Centerenergo, April 2024 public statements, reported total loss valued at approximately $1 billion USD for full plant destruction, scaled proportionally for partial damage).

Second-Order Effects (Cascading Infrastructure)

Kharkiv’s district heating network serves an estimated 1.0–1.2 million residents through centralized hot water distribution. Degradation of TEC-5’s heat output during the March–April transition period — when overnight temperatures in Kharkiv average 2–8°C (Ukrainian Hydrometeorological Center, historical data) — forced municipal authorities to activate emergency boiler reserves and implement rolling heat supply restrictions. Electrical output reduction increased load on the national grid interconnect, requiring Ukrenergo to manage import flows from western Ukraine and, where available, European interconnectors via the ENTSO-E emergency synchronization completed in March 2022.

Industrial consumers in Kharkiv’s manufacturing sector — including remaining defense-adjacent production facilities — faced unscheduled outages, with estimated productivity losses in the range of 15–25% for energy-intensive operations during the disruption period (estimated from analogous strike impacts documented by the Kyiv School of Economics Energy Damage Tracker, 2024).

Third-Order Effects (Political and Strategic)

The March 2024 strike on TEC-5 occurred within a broader Russian strategic energy campaign targeting Ukrainian generation capacity ahead of the 2024–2025 heating season. By April 2024, ISW assessed that Russian strikes had destroyed or severely damaged approximately 9 GW of Ukrainian thermal generation capacity — roughly 80% of the country’s pre-war thermal fleet. The Kharkiv strikes specifically served a secondary strategic function: maintaining pressure on Ukraine’s second city to sustain civilian displacement and complicate Ukrainian military logistics in the northeastern theater.

Politically, the strikes reinforced Ukrainian government requests for accelerated Western air defense deliveries, contributing to the policy environment that produced U.S. Congressional approval of the $61 billion Ukraine supplemental package in April 2024. The TEC-5 attack was cited in European Parliament resolutions calling for expanded energy infrastructure reconstruction funding under the Ukraine Facility mechanism.

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4. Technical and Tactical Profile

Weapon Systems Employed

The strike combined two distinct weapon classes with complementary tactical functions:

Shahed-136/Geran-2 Loitering Munition: Originally designed by Iran’s HESA (Aircraft Manufacturing Industries Company), the Shahed-136 is produced domestically in Russia at the Alabuga Special Economic Zone facility in Tatarstan under the Geran-2 designation. The system carries an estimated 40–50 kg warhead, uses inertial navigation with GPS augmentation, and operates at a cruise speed of approximately 185 km/h at low altitude (100–200 m AGL typical ingress profile). Declared range is 2,000 km. Unit cost is estimated at $20,000–50,000 USD, enabling high-volume salvo employment (Royal United Services Institute, 2023).

Iskander-M Ballistic Missile: Manufactured by KBM (Kolomna Machine-Building Design Bureau) / NPO Mashinostroyeniya, the Iskander-M carries a 480–700 kg warhead to a range of approximately 500 km with CEP reported at 5–7 meters using inertial-plus-GLONASS guidance. Terminal velocity exceeds Mach 6, producing intercept timelines incompatible with most point-defense systems when launched from proximate positions in Belgorod Oblast.

Flight Profile and Salvo Coordination

The combined employment pattern — loitering munitions preceding or simultaneous with ballistic delivery — is a documented Russian tactical signature observed across the 2024 energy campaign. Shahed salvos, typically 8–20 units per wave based on observed intercept reports (Ukrainian Air Force daily briefings, 2024), saturate radar tracking and exhaust interceptor magazines. Iskander-M missiles are then delivered against the highest-value aimpoints (transformer yards, turbine halls) with reduced intercept probability. This sequencing exploits the finite magazine depth of Ukrainian SHORAD assets.

Countermeasure Evasion

Shahed-136 operates below the engagement floor of S-300 systems optimized for medium-to-high altitude threats. The Iskander-M’s quasi-ballistic trajectory and terminal maneuver capability complicate NASAMS and IRIS-T engagement geometry at short ranges.

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5. DRES Implications

Drone Risk and Exposure Score Considerations

The TEC-5 case reinforces several scoring parameters relevant to the DRES (Drone Risk and Exposure Score) model applied to critical infrastructure sites globally.

Proximity-to-Border Multiplier: TEC-5’s location 30–40 km from a hostile border eliminates the range-degradation factor that attenuates risk for interior sites. DRES models should apply a non-linear proximity penalty for sites within 50 km of an active or plausible threat axis, reflecting compressed intercept timelines and reduced warning margins.

CHP Node Concentration Risk: The dual-output nature of CHP facilities (heat + electricity) produces a consequence multiplier absent from single-output generation sites. DRES scoring for CHP facilities should weight population-served-by-heat as an additive factor to population-served-by-electricity, not a substitute.

Cumulative Strike Degradation: The February–March 2024 sequence at TEC-5 demonstrates that DRES must account for cumulative damage state, not only single-event probability. A facility that has sustained one severe strike carries elevated vulnerability in subsequent events due to degraded structural integrity, reduced redundancy, and diverted repair resources.

Comparable Sites Worldwide

Infrastructure sites with analogous DRES profiles include: Zaporizhzhia CHP (Ukraine, currently occupied), Tbilisi CHP-2 (Georgia, proximate to South Ossetia boundary), and Erbil Power Station (Iraq, within range of Iranian ballistic missile systems demonstrated in January 2020 strikes on Ain al-Assad). Each shares the CHP concentration profile, proximity-to-threat-axis characteristic, and limited organic air defense coverage that defined TEC-5’s vulnerability.

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6. Companies Involved

Drone and Missile Manufacturers

HESA (Iran Aircraft Manufacturing Industries): Original designer and manufacturer of the Shahed-136 loitering munition. Sanctioned by the U.S. Treasury (OFAC, 2022) and EU for supplying weapons used in Ukraine. Production facilities located in Isfahan, Iran.

Alabuga SEZ / Russian Domestic Production: Russian state-directed facility producing Geran-2 (Shahed-136 derivative) in Tatarstan. Identified in open-source analysis by Conflict Armament Research (2023) and RUSI (2023) as the primary Russian production node.

KBM / NPO Mashinostroyeniya (Russia): State defense enterprise responsible for Iskander-M design and production. Fully state-owned; subject to comprehensive Western sanctions.

Defense and Infrastructure Operators

Ukrainian Air Defense Forces: Responsible for area and point defense of Kharkiv energy infrastructure. Equipped with NASAMS (Kongsberg Defence & Aerospace / Raytheon Technologies), IRIS-T SLM (Diehl Defence, Germany), and legacy S-300 systems.

Kharkivenergo / Ukrenergo: Municipal and national grid operators responsible for TEC-5 operation and post-strike restoration coordination. Ukrenergo serves as the national transmission system operator and primary interface with ENTSO-E for emergency import management.

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7. Data Table

Field	Value
CIDE ID	CIDE-UA-2024-0322-KHK
Date	2024-03-22
Location	Kharkiv, Kharkiv Oblast, Ukraine
Coordinates	49.9935°N, 36.2304°E
Conflict	Russia-Ukraine War
Attacker	Russian Armed Forces
Defender	Ukrainian Air Defense Forces
Attack Type	Combined (loitering munition + ballistic missile)
Drone System	Shahed-136 / Geran-2
Missile System	Iskander-M
Drone Manufacturer	HESA (Iran) / Alabuga SEZ (Russia)
Missile Manufacturer	KBM / NPO Mashinostroyeniya (Russia)
Drone Range	2,000 km
Missile Range	500 km
Drone Guidance	Inertial / GPS
Missile Guidance	Inertial / GLONASS
Target	Kharkiv TEC-5 (CHP-5)
Target Class	Combined Heat and Power Plant
Target Sector	Energy
Outcome	Hit — Severe Damage
Damage Components	Transformers, gas distribution stations, plant buildings
Estimated Repair Cost	$50–150 million USD
Population Affected (heat)	~1.0–1.2 million
Population Affected (electricity)	~1.4 million (city total)
Estimated MW Disrupted	200–540 MW electrical (estimated from facility class)
Prior Strike on Same Target	February 2024 (assessed potentially irreparable damage)
Distance to Russian Border	~30–40 km
Primary Source	ISW, April 22, 2024
Secondary Sources	Ukrenergo; Kyiv School of Economics Energy Tracker; RUSI 2023; World Bank Ukraine Rapid Damage Assessment 2024
DRES Risk Factors	Border proximity; CHP dual-output concentration; cumulative damage state; limited intercept timeline

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CIDE Case Study published by robotics.press. All damage estimates are derived from open-source reporting and comparable-facility assessments. Physical damage details for the 22 March 2024 strike are not independently verified at the sub-component level. Assessment reflects information available as of publication date.