IP Library Patent Application 11685144
Patent Application
App. No. 11/685,144

Hybrid Generation with Alternative Fuel Sources

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Quick Facts
Patent No.
US None
App. No.
11/685,144
Abstract

A generating facility is provided for generating electricity from both solar and non-solar energy sources. The solar generating portion of the facility includes capability to directly generate electricity from solar insolation, or to store the solar energy in a tangible medium, including stored heat, or solar generating fuel. The generating facility is configured to generate electricity simultaneously from both solar and non-solar sources, as well a solely from immediate solar insolation and from solar energy stored in a tangible medium. Additionally, the solar generating capacity may be segregated; such that separate spectra of solar insolation are used to capture heat for steam turbine based electrical generation, capture light energy for photovoltaic based electrical generation, and to grow biomass to generate a solar fuel.

Claims (28)

1 . A method of generating electricity using both a source of solar energy and a non-solar, source of energy, comprising:

accumulating solar energy in a useable form;

generating electricity with the solar energy accumulated in a useable form;

and simultaneously generating electricity with the non-solar source of energy.

2 . The method of claim 1 , wherein the useable form is a biomass.

3 . The method of claim 1 , wherein the useable form is a fuel derived from biomass.

4 . The method of claim 3 , wherein the useable form is biodiesel derived from algae.

5 . The method of claim 1 , further including the steps of:

providing a biomass reactor;

growing a biomass in the reactor; and

using the grown biomass as a solar fuel.

6 . The method of claim 5 , wherein carbon dioxide is formed as a byproduct of generating electricity with the non-solar source; and the carbon dioxide is provided to the biomass.

7 . The method of claim 5 , wherein oxygen generated during photosynthesis of the biomass is combusted to generate electricity.

8 . The method of claim 5 , further including the steps of directly capturing solar energy and using the directly captured solar energy to generate electricity simultaneously with the generation of solar energy with the non-solar source of energy and the accumulated solar energy.

9 . The method of claim 1 , wherein the non-solar energy source is a fossil fuel.

10 . A method of increasing peak power production from a combined solar and fossil fuel generating facility, comprising;

accumulating solar energy in a solar fuel; and

generating electricity simultaneously from the solar fuel and the fossil fuel.

11 . The method of claim 10 , wherein the solar fuel is a biomass.

12 . The method of claim 11 , wherein the solar fuel is fuel derived from a biomass.

13 . The method of claim 11 , wherein the biomass is grown in the generating facility.

14 . The method of claim 10 , further including the step of directly converting solar insolation into heat energy and using that heat energy to generate electricity simultaneously with the generation of electricity with the fossil fuel and solar fuel based electricity generation.

15 . The method of claim 10 , wherein the solar fuel may be solely used to generate electricity to the full capacity of the generating facility.

16 . The method of claim 15 , wherein the generating facility is periodically powered fully by the solar fuel.

17 . The method of claim 15 , wherein a portion of the electricity generated during peak demand periods is generated from solar fuel.

18 . The method of claim 15 , wherein half of the electricity generated during peak electricity demand periods in provided from fossil fuel sources, and the generating facility is considered a solar generating facility.

19 . The method of claim 10 , wherein the electricity generated during peak demand is generated at least in part from fossil fuel sources and is considered solar based electricity.

20 . The method of claim 19 , wherein solar fuel is used to generate electricity solely during peak demand periods.

Assignments (6)
RELEASE OF SECURITY INTEREST Recorded Oct 7, 2011
From: HERCULES TECHNOLOGY GROWTH CAPITAL, INC., AS COLLATERAL AGENT
To: BRIGHTSOURCE ENERGY, INC.; BRIGHTSOURCE CONSTRUCTION MANAGEMENT, INC.; SOLAR PARTNERS I, LLC; SOLAR PARTNERS II, LLC; SOLAR PARTNERS VIII, LLC
Reel/Frame 027033/0668 →
RELEASE OF SECURITY INTEREST Recorded Apr 8, 2011
From: GOLDMAN SACHS BANK USA
To: BRIGHTSOURCE ENERGY, INC.
Reel/Frame 026095/0843 →
CONFIRMATORY GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS Recorded Jan 5, 2011
From: BRIGHTSOURCE ENERGY, INC.; BRIGHTSOURCE CONSTRUCTION MANAGEMENT, INC.; SOLAR PARTNERS I, LLC; SOLAR PARTNERS II, LLC; SOLAR PARTNERS VIII, LLC
To: HERCULES TECHNOLOGY GROWTH CAPITAL, INC., AS COLLATERAL AGENT
Reel/Frame 025587/0594 →
CONFIRMATORY GRANT OF SECURITY AGREEMENT IN UNITED STATES PATENTS Recorded Oct 11, 2010
From: BRIGHTSOURCE ENERGY, INC.
To: GOLDMAN SACHS BANK USA
Reel/Frame 025114/0516 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 12, 2008
From: LOS ANGELES ADVISORY SERVICES, INCORPORATED
To: BRIGHTSOURCE ENERGY, INC.
Reel/Frame 020935/0975 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 20, 2007
From: LOS ANGELES ADVISORY SERVICES (LAAS), INCORPORATED
To: BRIGHTSOURCE ENERGY, INC.
Reel/Frame 019028/0738 →