Renewell Energy

Name

Renewell Energy

Legal name

Renewell Energy

Website

https://renewellenergy.com

Company type

Private

Founded year

2020

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Grid-Scale Energy Storage

NAICS

Electric Power Generation (22111)

SIC

Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Gravity & Solid-Mass LDES (Lifted Weight, Rail, Mine-Shaft) (EUAFADAD)

akta.pro secondary industry

Energy Storage Asset Management (BESS/PCS/EMS) (EUAEAMAE)

Keywords

• Gravity energy storage
• Oil well repurposing
• Long-duration storage
• Idle well conversion
• Carbon-negative storage

Headquarters

HQ city

Bakersfield

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Energy Storage Services: Gravity Well systems generate revenue through energy storage services over the 30-year lifetime of each installation. Renewell pays well owners a portion of revenue as rental payment for the wellbore.
2. Well Conversion/Activation Fees: Once Gravity Well systems are recognized as a method to pause the countdown to plug and abandonment, Renewell sells an activation for each well converted.
3. Carbon Credits: Potential to earn carbon credits for wells that were previously leaking methane.

Pricing tiers

Go-to-market motion3 records

Distribution channels1 record

Marketing channels5 records

Core offering

Renewell Energy builds and operates gravity-based energy storage systems that convert idle and end-of-life oil and gas wells into energy storage assets. Its patented Gravity Well technology lifts and lowers cylindrical weights inside sealed wells using a regenerative winch and motor-generator, converting gravitational potential energy to electricity on demand. The company sells well conversion/activation services and shares long-term energy storage revenues with well owners across a 30-year asset life.

Product overview

Renewell Energy offers a unified product system centered on the Gravity Well technology, which converts end-of-life oil and gas wells into gravity energy storage systems. The core offering consists of the Gravity Well System and Gravity Energy Battery products, both leveraging a proprietary gravity-based mechatronic energy conversion system. The Intelligent Controls Platform provides remote monitoring and management capabilities. The company also developed the Artemis Prime prototype to validate the technology before commercial deployment. These products work together to transform idle wells into clean energy storage assets that can store energy indefinitely and deliver electricity on demand.

Differentiator

Problem solved

Functional benefit

Products and services

• Gravity Well System A patented gravity-based mechatronic energy conversion system that retrofits idle oil and gas wells into energy storage assets by lifting and lowering a long cylindrical weight (composed of used oilfield tubing/casing and high-density filling) suspended by wire rope via an ultra-high-efficiency motor-generator, converting gravitational potential energy to electricity on demand. Sold to oil and gas well owners and operators as a well-conversion and energy storage offering.
• Gravity Energy Battery A gravity-based energy storage system built on existing oil well infrastructure that stores and generates electricity by raising and lowering heavy weights, providing a net-negative carbon footprint by sealing methane-leaking wells. Sold to oil and gas operators and grid operators as a long-duration storage asset.
• Intelligent Controls Platform A remote monitoring and control platform for managing Gravity Well systems, allowing operators to monitor well status via a suite of sensors and to control lifting/lowering operations and energy dispatch remotely. Sold to well owners and grid operators as the operating layer for Gravity Well fleets.
• Artemis Prime The original prototype of Renewell's gravity well technology demonstrating energy storage by lifting weights in oil wells, developed at PCDworks' Hard Tech Base Camp in East Texas to validate the Gravity Well concept.

Quantifiable outcome

• Capital cost of $5/kWh (vs $242/kWh for conventional storage)
• +7 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Quidnet Energy: Quidnet Energy stores energy by pumping water into subsurface geologic formations and releasing it through turbines. Like Renewell, it leverages existing wells and subsurface infrastructure for long-duration storage, targeting similar grid flexibility use cases.
• Energy Vault: Energy Vault develops grid-scale gravity-based energy storage using lifted composite blocks in towers. It is the closest direct competitor to Renewell in the gravity-LDES category, competing for the same utility customers and storage contracts with a different architectural approach.
• Gravitricity: Gravitricity develops gravity energy storage that lifts weights in decommissioned mine shafts. Its mine-shaft approach is structurally and conceptually analogous to Renewell's wellbore Gravity Well, making it a near-direct peer in repurposed-shaft gravity storage.
• ARES (Advanced Rail Energy Storage): ARES developed gravity-based energy storage using heavy rail cars on hillsides. It is an early direct peer in solid-mass gravity LDES and competes for similar long-duration storage contracts with utilities and grid operators.

Broad incumbents

• Hydrostor: Hydrostor develops Advanced Compressed Air Energy Storage (A-CAES) using hydrostatically pressurized underground caverns. It targets the same long-duration utility storage market as Renewell with a different mechanical storage approach.
• ESS Inc: ESS Inc manufactures iron-flow batteries for long-duration storage. While using a different storage modality (electrochemical flow battery), it competes head-to-head with Renewell for multi-hour utility-scale storage RFPs.
• Form Energy: Form Energy is a well-funded LDES developer commercializing iron-air batteries for 100+ hour discharge. It competes for the same long-duration storage contracts as Renewell but uses electrochemical rather than mechanical storage.
• Highview Power: Highview Power commercializes Liquid Air Energy Storage (LAES) for long-duration grid applications. It is a competing LDES provider in the same procurement cycles as Renewell, with established utility pilots in the UK and US.

Others

• Liberty Energy: Liberty Energy is a major oilfield services provider focused on completions and hydraulic fracturing. It is not a direct competitor but represents the type of oilfield services customer/partner ecosystem that Renewell relies on for well access and operations.

Emerging players

• Malta Inc: Malta is developing pumped heat energy storage using molten salt and antifreeze-like fluids to store energy as thermal gradients. It targets the same long-duration storage market but is at an earlier commercialization stage than Renewell.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/renewell-energy

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

Funding overview

Funding rounds5 records

Investors7 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Renewell Energy